Elsa Leonor Cabral

• Researcher
• Instituto de Botánica del Nordeste, Corrientes, Argentina

As part of the advances in the results of the Flora Argentina Project about the family Rubiaceae, taxonomic and nomenclatural novelties in species of the genus Borreria are presented. Lectotypes are designated for five names: B. advena, B. asclepiadea, B. brachystemonoides, B. dasycephala, and B. staurochlamys. B. quadrifaria is proposed as a new s...

Richardia is a Neotropical genus, belonging to tribe Spermacoceae, family Rubiaceae. It comprises 16 species distributed from the southeastern United States to Argentina and Uruguay. As part of the studies of the genus for the flora of the Southern Cone of South America, and particularly as a contribution to the Argentinean flora, we present here t...

Alibertia latifolia (Rubiaceae) is registered for the first time in Argentina. This species has a broad distribution in South America and grows mainly in humid forests. It is described and illustrated, we provide a detailed description of its pollen grains, distribution map, and a key to distinguish it from Alibertia edulis, a species also found in...

Florentín, J. E.; E. L. Cabral & R. M. Salas. 2022. Lectotypification of names linked to Galianthe (Rubiaceae) for the Argentine flora. Darwiniana, nueva serie 10(1): 29-34. During the preparation of the taxonomic treatment of the genus Galianthe for the Flora of Argentina, several names were found in need of typification. For this reason, 11 lecto...

Borreria kelleri (Spermacoceae, Rubiaceae), is described as a new species from northeastern Argentina and Paraguay. The new species is morphologically similar to B. quadrifaria due to the presence of densely and notable hairs in the angles of the stems and pantoporate pollen grains, but B. quadrifaria can be distinguished by its leaf blades narrowl...

Paganuccia is described as a new genus of Rubiaceae, only known so far from two collections from the continental dunes in the São Francisco River basin, Bahia, north-eastern Brazil. The morphological and molecular phylogenetic analyses based on nuclear (ETS, ITS) and plastid (atpB-rbcL, petD, rps16, trnL-trnF) sequence data, support the recognition...

The new species Staelia schumannii was discovered through the analysis of historical collections associated with Staelia thymbroides ( Psyllocarpus thymbroides ). The rediscovery of the missing type of S. thymbroides has shed light onto its identity, as well as onto the yet undescribed S. schumannii . In order to clarify their circumscriptions, bot...

This work comprises the taxonomic treatment of genus Borreria for the Ceará flora. Based on field observations and herbaria specimens, eleven species were recorded: Borreria apodiensis, B. brownii, B. capitata, B. cupularis, B. latifolia, B. ocymifolia, B. scabiosoides, B. spinosa, B. tenella, B. verticillata and B. virgata. Most species occur in C...

Diacrodon is a monotypic genus of the tribe Spermacoceae (Rubiaceae), endemic to northeastern Brazil. Diacrodon compressus is frequently misidentified with a two lobed calyx species of Borreria, B. verticillata. Traditionally, in Spermacoceae the fruit type was considered a diagnostic character among the genera. In this sense, D. compressus present...

Galianthe (Rubiaceae) is a neotropical genus comprising 50 species divided into two subgenera, Galianthe subgen. Galianthe, with 39 species and Galianthe subgen. Ebelia , with 11 species. The diagnostic features of the genus are: usually erect habit with xylopodium, distylous flowers arranged in lax thyrsoid inflorescences, bifid stigmas, 2-carpell...

Thirteen species of the genus Galianthe have been recorded for state of Rio Grande do Sul, Brazil. e species are distributed among seven biomes, one of which contains all thirteen taxa-Subtropical Seasonal Forest. Herein a new endemic species, G. riograndensis J. Florentín & E.L. Cabral, is described, illustrated and di erentiated from all other sp...

A complete description of Mitracarpus diversifolius (Rubiaceae, Spermacoceae) based on morphological features not previously studied and now available from two recent collections, is here presented. Details of fruits and seeds of this species are now known, and some of them are unusual for the genus. The corolla is persistent on mature fruit, and t...

As part of the studies carried out in the species of Diodia from the Americas, we present a discussion of the taxonomic identity of Diodia angustata. Based on the study of recent collections and original materials, we propose to transfer the species to the genus Planaltina, as P. angustata. A dichotomous key for all species of the genus is included...

Spermacoce eryngioides was considered in the last 20 years as part of genus Borreria with the varieties affinis, eryngioides, and ostenii. In this work, floral, carpological, seminal and pollen microcharacters were analyzed, and ecological and distributional features were performed to assess the taxonomic status of these three varieties. On the oth...

A new species of Borreria (Rubiaceae) from Chapada do Apodi in northeastern Brazil is described and illustrated. A distribution map, illustrations, a conservation assessment, a key to morphologically similar taxa and images of the seeds and pollen grains are provided.

Hexasepalum is the priority name for Diodella. In the present paper, we provide a synopsis of Hexasepalum. The genus differs from the remaining genera of the tribe Spermacoceae by the combination of infundibuliform flowers, 2-lobed stigmas, schizocarpic fruits, ventral face of the mericarps with two depressions, seeds with T or Y shaped ventral gro...

Resumen Dos nuevas combinaciones en especies de la tribu Spermacoceae para Sudamérica son aquí presentadas: Spermacoce polygonifolia se transfiere al género Mitracarpus y S. perijaensis a Tobagoa. Se elige lectotipo para Tobagoa maleolens y neotipo para Diodia ottonis. Abstract We present two new combinations in species of the Spermacoceae tribe fr...

Four species of Borreria subsection Latifoliae (Rubiaceae) present intrafloral variations in the insertion/length of stamens in homostylous flowers. Borreria heteranthera is described and illustrated as new species from the state of Pará, Brazil. The emended descriptions of Borreria hispida, B. semiamplexicaule and B. xanthophylla, with details on...

Carajasia is described as a new genus of Rubiaceae. It is so far known only from the mountain summits of Serra dos Cara-jás (Pará, Brazil), where it is part of a shrubby vegetation surrounded by tropical rainforest. The new genus belongs to the tribe Spermacoceae and is positioned within it to the Spermacoce clade. Carajasia is unique within the cl...

two new species of Borreria from goiás and Minas gerais are described and illustrated. Borreria minensis was found in " campos rupestres " formation, between 1100 and 1600 m elevation, and is endemic to Minas gerais, while Borreria psyl-locarpoides was found in the " cerrado " vegetation, at the border of goiás and Minas gerais. electron microphoto...

Pollen morphology of Staelia s.l. (Rubiaceae). This paper deals the study of the pollen grains of Staelia s.l. Currently, it have been studied only four of 25 species of this taxon. We carried out an analysis of the pollen morphology of all species belonging to the four genera of Staelia s.l.: Anthospermopsis, Planaltina, Tessiera and Staelia s.s....

Este trabajo trata el estudio de los granos de polen de Staelia s.l. Actualmente, es un grupo escasamente estudiado en este aspecto, ya que solo se describieron cuatro de 25 especies. Se estudió el polen de todas las especies de Anthospermopsis, Planaltina, Tessiera y Staelia s.s. Como resultado, se encontró una notable homogeneidad de caracteres p...

Abstract— The new species Borreria krapocarmeniana (Rubiaceae) is described and illustrated. The taxonomic identity of Borreria linoides and Borreria scabiosoides are discussed. Borreria organensis and Borreria rubricaulis are proposed as new synonyms of B. scabiosoides. Seed micromorphology and pollen grains of the three species are analyzed and a...

CABRAL, E. L., S. V. SOBRADO & E. B. SOUZA (2013). Three new species of Mitracarpus Zucc. (Rubiaceae) from Brazil.

Se describen e ilustran dos especies nuevas, Borreria cerradoana y B. velascoana, de Bolivia y Brasil, y se hace una combinación nueva, B. spinosa var. minima. Se relacionan con todas las especies de Borreria registradas para Bolivia a través de una clave de identificación. De las 28 especies, se presentan comentarios sobre distribución geográfica...

Se describe una nueva especie del género Borreria denominada B. orientalis, aparentemente exclusiva de la provincia fitogeográfica Paranaense en Argentina, Paraguay y Brasil. Los materiales analizados de la nueva especie fueron erróneamente identificados como Borreria valens. Por lo tanto, se discute la verdadera identidad de B. valens, especie que...

Two new species are described, Borreria cerradoana and B. velascoana, from Bolivia and Brazil, and a new combination is made, B. spinosa var. minima. Through an identification key, all 28 species of Borreria for Bolivia are recorded, and comments on geographical distribution and habitat are provided. Borreria brachystemonoides, B. poaya, and B. ten...

The first new species of Denscantia from the caatinga biome is described and illustrated. Denscantia caldcóla is easily distinguished by its plicate-nerved and scabrous leaves, axillary inflorescences with 7–15 glomerules, calyx tube 0.85-1.2 mm long, bifid stigma and pollen grains with only one endocingulum. La primera especie de Denscantia del bi...

Staelia catolensis R. M. Salas & E. L. Cabral, una nueva especie (Rubiaceae, Spermacoceae) de Bahia, Brasil, es descrita e ilustrada. El nuevo taxón es aparentemente endémico de Serra de Catolés en áreas de campos rupestres. Staelia catolensis es similar a S. thymoides Cham. & Schltdl. en el hábito pequeño e inflorescencias con crecimiento determin...

Staelia catolensis R. M. Salas & E. L. Cabral, a new species (Rubiaceae, Spermacoceae) from Bahia, Brazil, is described and illustrated. The new taxon is apparently endemic from the Serra de Catoles in areas of campos rupestres. The new species resembles S. thymoides Cham. & Schltdl., with which it shares a small stature and determinate inflorescen...

Two new species of the genus Borreria, B. carajasensis E. L. Cabral & L. M. Miguel and B. elaiosulcata E. L. Cabral & L. M. Miguel, are described and illustrated, based on material collected from iron outcrops in the Serra dos Carajás region, Pará State, Brazil. A key to morphologically similar species is provided; these species can be recogized by...

Two new Brazilian species of Staelia with ternate leaves are described and illustrated. The first, Staelia paganuccii, was collected in the cerrado biome, whereas the second, S. domingosii belongs to the Caatingas domain of the Chapada Diamantina complex. The affinities of the two species within the genus are discussed. Photographs of the plants in...

Two new Brazilian species of Staelia with ternate leaves are described and illustrated. The first, Staelia paganuccii, was collected in the cerrado biome, whereas the second, S. domingosii belongs to the Caatingas domain of the Chapada Diamantina complex. The affinities of the two species within the genus are discussed. Photographs of the plants in...

Two new species of Borreria are described: the first, Borreria johnwoodii from the Campo Cerrado area of the Noel Kempff Mercado National Park; the second, Borreria siberiana from the cloud forest of the Yungas, between 2600 and 3100m above sea level. Declieuxia cordigera is recorded for the first time from Bolivia. Borreria nectarifera is shown to...

This work deals with a taxonomic study of the genus Borreria (Rubiaceae) for the state of Bahia, 29 species are recorded. Most of these species are distributed in the cerrado and Atlantic forest biomes. Two new species are described and illustrated, Borreria catolensis E.L. Cabral & L.M. Miguel and Borreria diamantinae R.M. Salas & E.L. Cabral. The...

div>Three new species, Galianthe andersonii E.L.Cabral, Galianthe macedoi E.L.Cabral, Galianthe reitzii E.L.Cabral are described and illustrated and two new combinations, Galianthe peruviana (Pers.) E.L.Cabral and Borreria crispata (K. Schum.) E.L.Cabral & Bacigalupo, are presented. A new status and a new name are proposed tor Borreria burchellii;...

Cuatro nuevas especies de Borreria G. Mey. de Brasil se describen e ilustran: B.filiforme, B.flexuosa, B.irwiniana y B.semiamplexicaule.

Diez nuevas especies de Galianthe se describen e ilustran: G.bisepala (Argentina), G.linearifolia (Argentina y Paraguay), G.aurelii, G.parvula y G.canindeyuensis (Paraguay), G.pseudopeciolata (Paraguay y Brasil ), G.elegans, G.gertii, G.latistipula y G.grandifolia (Brasil).

En el curso de la revisión de las Rubiáceas para la Flora de Corrientes, se han hallado algunas novedades dentro del género Borreria. En este trabajo se describe una nueva especie y .se cita por primera vez Borreria equisetoides Cham. et Schl. para la flora argentina

A new species of the genus Staelia is described and illustrated from the Boquerón department of Paraguay: S. nelidae. In total, three Staelia species have been recognized for Paraguay. Staelia hassleri is proposed as a new synonym of the widespread S. thymoides. A key to distinguish the new species and the remaining taxa from Paraguay is also provi...

Taxonomy and palynology of the genus Borreria G. Mey. section Pseudodiodia Hassl. areupdated. Four species are added to the section, three of them are described andillustrated, raising to ten the number of taxa included in it. Two of them live in Galapagos(B. suberecta Hook. f. and B. dispersa Hook. f.) and the other (B. decipiens K. Schum. andB. t...

In Argentina are recognized two species of Staelia: S. thymoides Cham. & Schltdl. (Corrientes and Entre Ríos) and S. virgata (Roem. & Schult.) K. Schum. (Jujuy). One new species Staelia juarezii E. L. Cabral & Salas (W Formosa) and one new variety Staelia virgata var. correntina E. L. Cabral & Salas (W and central Corrientes) are described and illu...

Galianthe longisepala E. L. Cabral y Galianthe matogrossiana E. L. Cabral, nuevas especies de Brasil, son descriptas e ilustradas Galianthe longisepala E. L. Cabral and Galianthe matogrossiana E. L. Cabral, new species from Brazil, are described and illustrated

During a study of the American genus Stadia, we noticed that some species classified in the genus did not fit the characters that define the genus. For this reason all species recognized in Stadia were analyzed. Some species remained in Stadia s.str. and other taxa were transferred to other genera of the Spermacoceae.The detailed study of Stadia wa...

In our revision of Stadia Cham. & Schltdl., we found several species that did not exhibit the characters of the genus. Some species were transferred into the Stadia from other genera, particularly Tessiera. The latter genus was described with two species, T. Iithospermoides from Mexico and T. lamgcra from Brazil. Schumann treated Tessiera as a sect...

Background - The species diversity within the tribe Spermacoceae (Rubiaceae) remains imperfectly known. As part of an ongoing revision of South-American species of the tribe, a new species of the genus Spermacoce s. str. is here presented. Methods - Normal practices of herbarium taxonomy have been applied to study all herbarium material available....

This paper presents the revision of Mitracarpus from Brazil. The study is based on field observations and study of herbarium specimens. Mitracarpus is a neotropical genus, distributed from the southern United States to central Argentina, with one invasive species occurring in the Old World. The genus presents three centres of diversity: Mexico, the...

Background and aims - The identity of Diodia assurgens K.Schum. is unclear and the taxon has never been studied in detail since its description. In the present paper we aim to clarify its status and taxonomic position.Methods - Normal practices of herbarium taxonomy have been applied to study all herbarium material available. Pollen of Diodia assur...

Resumen Durante la actualización de la lista de especies de la tribu Spermacoceae (Rubiaceae) de Brasil se realizaron algunas consideraciones nomenclaturales para cinco nombres publicados de Diodia. Se presentan dos nuevas combinaciones: Diodella angustata (Steyerm.) E.L. Cabral & A. Cabaña-Fader y Mitracarpus froesii (Sucre) E.L. Cabral & E.B. Sou...

En este trabajo se describe e ilustra Barreria marticrovettiana Cabral, una nueva especie de Misiones (Argentina).Borreria valens Standley Borreria scabiosoides Cham. er Schlecht., Mitracarpus brasiliensis Porto et Waechter y Relbunium equisetoides (Cham. et SchIecht.) Ehrendf. se mencionan por primera vez para la flora argentina

The weed, known commonly as vassourinha de botão (buttonweed), is present in several crops in northern and north-eastern Brazil. Its occurrence is common in sugarcane and soybean crops in the states of Goiás, Tocantins, and Maranhão. However, there is no published information in the literature about its taxonomic classification. Thus, this research...

Se cita Hoffmannia peckii por primera vez para Argentina, en San Pedro, Misiones. Esta es la segunda especie de Hoffmannia registrada para la flora argentina, junto a H. australis. Se designa un lectotipo para H. peckii, y se incluyen descripciones, ilustraciones, un mapa y una clave para reconocer las dos especies.

The species of the genus Galianthe subg. Galianthe Griseb. are revised. The group comprises 39 species from South America and is characterized by its fruits of dehiscent mericarps, plump or complanate seeds with wing-like margins, usually wide, thyrsoid or pleiothyrsoid inflorescences, an erect habit generally with xylopodium, and a basic chromosom...

Hoffmannia peckii is reported for the first time for Argentina, in San Pedro, Misiones. This is the second species of Hoffmannia recorded for Argentina together with H. australis. A lectotype is designed fo H. peckii. Descriptions, illustrations, a map and a key of the Argentinean species of Hoffmannia are included.

Uma espécie nova do gênero Staelia Cham . & S chltdl . para a flora do Brasil é de scrita e ilustrada .

Se cita Coccocypselum pulchellum por primera vez para Argentina, en Predio Guaraní, Misiones. Esta es la tercera especie de Coccocypselum registrada para la flora de Argentina junto con C. hasslerianum y C. lanceolatum. Se incluyen descripciones, ilustraciones y una clave para reconocer las tres especies argentinas de Coccocypselum.

div> Galianthe guaranitica E.L. Cabral y G. parvula E.L. Cabral son primeros registros para Brasil, Rosenbergiodendron longiflorum (Ruiz & Pav.) Fagerl. y Guettarda pohliana Müll. Arg. son mencionadas por primera vez para el estado de Paraná. Schwendenera tetrapyxis K. Schum., Galianthe dichasia (Sucre & C. G. Costa) E.L. Cabral y Galianthe longise...

Coccocypselum pulchellum is reported for the first time for Argentina, in Predio Guarani, Misiones. This is the third species of Coccocypselum recorded for Argentina, together with. C. hasslerianum and C. lanceolatum. Descriptions, illustrations and a key to the Argentinean species of Coccocypselum are included.

Galianthe guaranitica E.L. Cabral y G. parvula E.L. Cabral son primeros registros para Brasil, Rosenbergiodendron longiflorum (Ruiz & Pav.) Fagerl. y Guettarda pohliana Müll. Arg. son mencionadas por primera vez para el estado de Paraná. Schwendenera tetrapyxis K. Schum., Galianthe dichasia (Sucre & C. G. Costa) E.L. Cabral y Galianthe longisepala...

Se describe e ilustra Staelia longipedicelata, un nueva especie de Bolivia (Santa Cruz). Staelia herzogii es una nueva combinación y un nuevo registro para Brasil (Mato Grosso do Sul). Se incluye una clave para diferenciar las especies de Staelia de Bolivia.

Staelia longipedicelata, a new species from Bolivia (Santa Cruz), is described and illustrated. Staelia herzogii. is a new combination and a new record to Brazil (Mato Grosso do Sul). A key is provided to distinguish the species of Staelia from Bolivia.

Cuatro especies de Diodia son transferidas a Diodella, y las nuevas combinaciones son: Diodella gardneri, Diodella mello-barretoi, Diodella sarmentosa y Diodella scandens.

Four species of Diodia are transferred to Diodella, and the new combinations are: Diodella gardneri, Diodella mello-barretoi, Diodella sarmentosa and Diodella scandens.

Taxonomy and palynology of the genus Borreria G. Mey. section Pseudodiodia Hassl. are updated. Four species are added to the section, three of them are described and illustrated, raising to ten the number of taxa included in it. Two of them live in Galapagos (B. suberecta Hook. f. and B. dispersa Hook, f.) and the other (B. decipiens K. Schum. and...

div> Se actualiza la taxonomía de la sección Pseudodiodia Hassl. del género Borreria G. Mey., en la cual se incluían hasta ahora seis especies. En este trabajo se agregan cuatro especies a la sección, elevando el número a un total de diez taxones: dos de las Islas Galápagos ( B. suberecta Hook. f. y B. dispersa Hook. f.) y dos continentales, de Bra...

Dos especies nuevas de Bolivia, Borreria santacruciana y Mitracarpus bicrucis, se describen e ilustran. B. santacruciana es afín a B. wunschmanii, pero difiere por tener una pubescencia inconspicua de pelos adpresos, hojas de 7-17 mm long., y glomérulos con 2-4 brácteas de 7-13 mm long. Mitracarpus bicrucis es enteramente glabro, notable por su vai...

Cabral, E. L. (Facultad de Ciencias Exactas, Naturales y Agrimensura [UNNE], Instituto de Botánica del Nordeste, Casilla de Correo 209, 3400 Corrientes, Argentina; ibone@agr.unne.edu.ar) and N. M. Bacigalupo (Instituto de Botánica Darwinion, Casilla de Correo 22, B1642HYD, San Isidro, Buenos Aires, Argentina; nbacigalupo@darwin.edu.ar). Novelties i...

Cabral, E. L. (Facultad de Ciencias Exactas y Naturales y Agrimensura, Universidad Nacional del Nordeste. Instituto de Botánica del Nordeste, Casilla de Correo 209, 3400, Corrientes, Argentina; ibone@agr.unne.edu.ar). Notes on Galianthe (Spermacoceae, Rubiaceae) in the Bolivian flora. Brittonia 57: 141– 149. 2005.—Four new species of Galianthe (G....

In Argentina are recognized two species of Staelia: S. thymoides Cham. & Schltdl. (Corrientes and Entre Ríos) and S. virgata (Roem. & Schult.) Schum. (Jujuy). One new species Staelia juarezii E. L. Cabral & Salas (W Formosa) and one new variety Staelia virgata var. correntina E. L. Cabral & Salas (W and central Corrientes) are described and illustr...

Galianthe longisepala E. L. Cabral and Galianthe matogrossiana E. L. Cabral, new species from Brazil, are described and illustrated. Galianthe longisepala E. L. Cabral y Galianthe matogrossiana E. L. Cabral, nuevas especies de Brasil, son descriptas e ilustradas.

Four new species of Borreria (Rubiaceae - Spermacoceae) from Brazil, B. amapaensis, B. guimaraesensis, B. multibracteata and B. tocantinsiana, and a new subsp., B. capitata subsp. restingicola, are described and illustrated.

El género Simira (Rondeletieae) representado por S. sampaioana, se registra por primera vez para la flora argentina. La especie se describe e ilustra

Simira (Rondeletieae) is recorded for the first time for Argentina. A description of S. sampaioana and one illustration are included.

Un nuevo género, Scandentia, es propuesto, representado por cuatro especies, dos de las cuales se han separado de Borreria sect. Galianthe: S. cymosa y S. monodon y otras dos son nuevas: S. andreii y S. macrobracteata. Se detallan las afinidades y diferencias de Scandentia con Emmeorhiza, Galianthe y Borreria. Todas las especies se describen y se i...

Se propone el nuevo nombre Denscantia en reemplazo del género Scandentia, inválidamente publicado

Three new species, Galianthe andersonii E.L. Cabral, Galianthe macedoi E.L. Cabral, Galianthe reitzii E.L. Cabral are described and illustrated and two new combinations, Galianthe peruviana (Pers.) E.L. Cabral and Borreria crispata (K. Schum.) E.L. Cabral & Bacigalupo, are presented. A new status and a new name are proposed for Borreria burchellii;...

span style="font-family: arial, sans-serif; font-size: 16px;"> Tres nuevas especies, Galianthe andersonii E.L.Cabral, Galianthe macedoi E.L.Cabral, Galianthe reitzii E.L.Cabral se describen e ilustran y dos nuevas combinaciones, Galianthe peruviana (Pers.) E.L.Cabral y Borreria crispata (K. Schum.) E.L.Cabral y Bacigalupo presentan. Un nuevo estatu...

The series Laeves Bacigalupo & E. L. Cabrai of the genus Borreria is here revised. Eight species are recognized, keyed out, described and illustrated. Borreriaparaensis E. L. Cabral & Bacigalupo is a new species from Para and Bahia (Brazil).

Type material of two species of Spermacoce, S. laevis Lam. and S. remota Lam. was analized. As a result, and taking into account several morphological characters, S. laevis should remain within Spermacoce, while S. remota is transfered to the genus Borreria. The latter species is designed as type of Borreria Series Laeves, since the previous design...

Four new species of the tribe Spermacoceae (Rubiaceae), for Brazil are described and illustrated: Borreria paulista (São Paulo), B. rosmariinifolia (Minas Gerais), Mitracarpus steyermarkii and Psyllocarpus intermedius (Bahia).

A new subgenus, Ebelia (Rchb.) E. L. Cabral & Bacigalupo, is proposed within the genus Galianthe (Rubiaceae: Spermacoceae). The species included therein are characterized by their fruits with indehiscent mericarps. Nine species are recognized: Galianthe bogotensis (Kunth) E. L. Cabral & Bacigalupo, Galianthe brasiliensis (Spreng.) E. L. Cabral & Ba...

ANTECEDENTES Este trabajo constituye un aporte a la Flora del Macrosistema del Iberá, proyecto llevado a cabo por el Instituto de Botánica del Nordeste. La información sobre las plantas vasculares epífitas del sistema Iberá, se resume en el capítulo 5. Para comprender e interpretar las plantas epífitas se debe reconocer al epifitismo como una espec...

ANTECEDENTES El género americano Galianthe (Rubiaceae, Spermacoceae) está constituido por 49 especies distribuidas en dos subgéneros: Galianthe (sudamericano) y Ebelia (Rchb.) E.L.Cabral & Bacigalupo (centro y sudamericano) con 39 y 10 especies respectivamente. Las especies del subgénero Galianthe se han agrupado en tres secciones, sobre la base de...

Cabral, E. L. & Bacigalupo, N. M. 1999. A study of the American species of Borreria series Laeves (Rubiaceae, Spermacoceae). Darwiniana 37(3-4): 259-277. The series Laeves Bacigalupo & E. L. Cabral of the genus Borreria is here revised. Eight species are recognized, keyed out, described and illustrated. Borreria paraensis E. L. Cabral & Bacigalupo...

Bacigalupo, N. M. & Cabral, E. L. 1999. On the identity of two species described by Lamarck, Spermacoce laevis and S. remota (Rubiaceae, Spermacoceae). Darwiniana (3-4): 333-334. Type material of two species of Spermacoce, S. laevis Lam. and S. remota Lam. was analized. As a result, and taking into account several morphological characters, S. laevi...