Jaime GüemesUniversity of Valencia | UV · Jardí Botànic
Jaime Güemes
PhD Sciences
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Publications (104)
This is the sixth issue of the series of germination reports from Mediterranean areas (sensu Med- Checklist). It comprises germination protocols for 29 taxa, 19 of which are endemic, preserved in six seedbanks from the Ribes and/or GENMEDA networks. The investigated taxa and populations are Leucanthemum tridactylites, Achillea barrelieri subsp. bar...
The typification of five names in tribe Antirrhineae (Plantaginaceae): Antirrhinum crassifolium (≡ Chaenorhinum crassifolium), Chaenorhinum crassifolium var. parviflorum, C. flexuosum var. hispanicum (≡ C. crassifolium subsp. cadevallii), C. formenterae, and Linaria serpyllifolia (≡ C. serpyllifolium) is discussed. The names are lectotypified using...
The typification of seven names in the genus Antirrhinum (tribe Antirrhineae, Plantaginaceae): A. charidemi, A. latifolium, A. molle var. mollissimum, A. molle var. marianum, A. sempervirens, A. siculum, and A. valentinum is discussed. The designation of the nomenclatural types is based on the consultation of original material and the literature ci...
Two new taxa of the genus Linaria are described, illustrated and compared, through a morphometric analysis, to morphologically similar species from L. sect. Supinae: L. amethystea, L. diffusa, L. intricata, and L. orbensis. A Principal Component Analysis and Linear Discriminant Analysis were carried out in order to find out which morphological char...
The typification of two names in the genus Fumana: F. fontanesii Clauson ex Pomel and F. grandiflora
Jaub. & Spach (Cistaceae) is discussed. The designation of the nomenclatural types is based on the assessment of the
respective protologues and the original material. The name F. fontanesii is lectotypified using a specimen from
Clauson’s material a...
Typification of the names Antirrhinum barrelieri Boreau, A. controversum Pau and A. litigiosum Pau (Antirrhineae, Plantaginaceae) is needed to clarify the use and concept of these three names. The origin of a misinterpretation of the name A. barrelieri, which conditioned the subsequent use of these three names, is discussed. The previous ‘lectotype...
Fumana is a diverse genus of the Cistaceae family, consisting of 21 currently accepted species. Nuclear (ITS) and plastid (matK, trnT‐L) molecular markers were here used to reconstruct the phylogeny and to estimate divergence times including 19 species of Fumana. Phylogenetic analyses (Bayesian Inference, Maximum Parsimony and Maximum Likelihood) c...
INTRODUCCIÓN La Fibra de Coco se obtiene del residuo de las fibras de los frutos del cocotero (Coco nucifera L.). Se emplea como sustrato en huertos y viveros, debido principalmente a que presenta una gran capacidad de retención de agua y un equilibrio entre la misma y la capacidad de aireación, evitando un exceso de humedad en las raíces que pueda...
La cuenca del Mediterráneo alberga una de las floras más ricas y diversas del mundo, formada por unas 25.000 especies (Greuter, 1991 y 1994; Médail & Quézel, 1997), gran parte de la cual, más del 50 % según algunas estimaciones, es endémica de este territorio o de alguno de los que los países ribereños. Sin embargo, su estudio y conocimiento está a...
Background Nectar robbers in many plant species affect female reproductive success, usually decreasing the amount of seed produced by plants, which can affect populations persistence.
Aims To evaluate the impact of nectar robbers on the viability of the populations, we investigated the effects of nectar robbing on the female reproductive success of...
Hybridization, natural or artificial, is considered disadvantageous for species biodiversity when it threatens the population integrity of endangered species. Frequently, studies investigating whether hybridization poses a legitimate risk to rare species are based on genetic data obtained in molecular biology laboratories. In this study, we used fi...
Se cita una nueva población de Fumana paradoxa Heywood (Cistaceae) para el Atlas Medio de Marruecos, cita que amplia el área de distribución de la especie en el norte de África al tiempo que constituye su localidad más meridional. La cita permite también aumentar el rango altitudinal que hasta la fecha se había registrado para esta planta.
A new A...
Español. Se describe Antirrhinum × inexpectans, hybr. nov. (Plantaginaceae, Antirrhineae Chav.) producto del cruzamiento espontáneo, en condiciones de cultivo, entre A. mollissimum (Pau) Rothm. y A. tortuosum Bosc ex Vent. Este híbrido ha sido localizado en los viveros del Centro para la Investigación y Experimentación Forestal-CIEF de la Generalit...
The surprising discovery of a population of a new species of Antirrhineae (Plantaginaceae) has also given rise to the description of a new genus situated in the subtribe Maurandyinae: Gadoria falukei. This is supported by the characteristics of the flower, pollen grains, seeds and capsule, and phylogenetic results based on DNA sequences. The specie...
Se describe Antirrhinum × inexpectans, hybr. nov. (Plantaginaceae, Antirrhineae Chav.) producto del cruzamiento espontáneo, en condiciones de cultivo, entre A. mollissimum (Pau) Rothm. y A. tortuosum Bosc ex Vent. Este híbrido ha sido localizado en los viveros del Centro para la Investigación y Experimentación Forestal-CIEF de la Generalitat Valenc...
Se aporta información acerca de hallazgos singulares del mosquito tigre Aedes albopictus (Skuse, 1894) en ambientes fitotelmáticos del Jardín Botánico de la Universidad de Valencia. / Information about interesting findings of Asian tiger mosquito, Aedes albopictus (Skuse, 1894), in phytotelmic environments of Botanical Garden of the University of V...
Antirrhinum × bilbilitanum Güemes & Mateo is described. It is a spontaneous new hybrid species in the genus Antirrhinum L. (Antirrhinaceae), is the results of crossing between A. litigiosum Pau y A. graniticum Rothm. This hybrid has been located in some localities of Zaragoza and Soria provinces of Spain. Its morphology has been compared with its p...
De la planta 'Stevia Rebaudiana Bertoni' a l'edulcorant.
Reproductive barriers play an important role in the maintenance of species boundaries. However, to date, few studies have provided a detailed analysis of reproductive isolation barriers between species or examined their importance in maintaining species identity. This is the first detailed study into pre- and post-zygotic reproductive isolation bar...
El Jardín botánico de la Universitat de València, con más de 80 especies y
335 ejemplares de palmeras, alberga una de las mejores colecciones de esta familia
de plantas en Europa. Actualmente, la mayor amenaza para las palmeras es el
Picudo rojo, Rhynchophorus ferrugineus (Olivier) (Coleoptera: Dryophthoridae).
Esta plaga, nativa del sudeste de Asi...
Une révision du groupe F. ericoides est proposée pour l'Afrique du Nord. Les taxons appartenant à ce groupe et décrits par R. Maire sont étudiés et typifiés.F. procumbens est citée pour la première fois au Maroc et porte ainsi à quatre le nombre de taxons de ce groupe dans ce territoire. Pour chacun d'eux, une description, des commentaires écologiq...
A new strict gypsophilous species of Chaenorhinum, Ch. gamezii, is described. It is an annual to perennial species found in extremely arid locations upon Triassic gypsic habitats in the south-eastern Iberian Peninsula. This species has an eglandular heterotrichous indumentum, which is related to Ch. segoviense and Ch. flexuosum. However, Ch. gamezi...
El paisajismo y urbanismo de calidad requieren en sus áreas verdes el uso de la diversidad vegetal y la sostenibilidad de su gestión, incluyendo soluciones racionales a sus problemas fitosanitarios. Para ello, se precisa desarrollar propuestas imaginativas de manejo de plagas y enfermedades vegetales. Los Jardines Botánicos con frecuencia suelen fo...
Knowledge about the reproductive system of species inhabiting rocky habitats is scarce. The reproductive biology (floral biology, experimental pollination, insect visits, inbreeding depression, and seed predation) of the rupicolous Linaria cavanillesii was analyzed under field and experimental conditions. Self-compatibility was revealed by the high...
The current information on basionyme of Fumana laevipes (L.) Spach, shows that this taxon is not typified. In this paper the original material enclosed in a herbarium sheet at UPS-BURSER is designated as lectotype.
Knowledge about mixed mating systems can improve our understanding of the evolutionary dynamics of reproductive systems. Here we report a study of the pollination system (floral and reproductive biology, pollen limitation and stigmatic pollen load, floral visitors and inbreeding depression) of Fumana hispidula, a Mediterranean subshrub belonging to...
Molecular markers are routinely used to assess levels of diversity within and among populations, particularly with regard
to species of conservation concern. However, when interpreting the level and partitioning of diversity observed, an implicit
assumption is often made that the populations of the species in question form a monophyletic group. We...
The germination behaviour of two Iberian endemic labiates, Sideritis pungens and S. chamaedryfolia selected from different habitats, ranging from very humid to semi-arid, was studied under controlled experimental conditions. A factorial experiment, combining different temperature regimes (10°, 15°, 20°, 25° or 30°C), photoperiod (total darkness and...
About 32% of Antirrhinum species are considered to be endangered; however, no field studies have focused on their reproductive biology. In this work, several aspects of the reproductive biology (flowering phenology, floral biology, breeding system) and potential limits on seed quantity and quality (pollen limitation, inbreeding depression) were stu...
Aim To infer phylogenetic relationships among Antirrhinum species and to reconstruct the historical distribution of observed sequence polymorphism through estimates of haplotype clades and lineage divergence.
Location Antirrhinum is distributed primarily throughout the western Mediterranean, with 22 of 25 species in the Iberian Peninsula.
Methods P...
Several aspects of the reproductive biology of Fumana juniperina were analyzed to find out whether delayed selfing occurs within a representative natural population in southwest Sardinia. Similar fruit set was obtained after autonomous, within-flower, and between-flower self-pollination (0.35, 0.53, and 0.46, respectively), crosspollination (0.45),...
Fumana ericifolia belongs to the family Cistaceae, in which all perennial species previously studied have been reported to be self-incompatible and xenogamous. Here we show that F. ericifolia is self-compatible and autogamous. Its flowers last only four to eight hours and produce a small amount of pollen and ovules. Self-pollination depends on chan...
La colección de palmeras del Jardín Botánico es una de las más importantes de Europa, y sin dudas, la mejor de las españolas por la riqueza de especies y el tamaño de los ejemplares. En la actualidad está compuesta por 38 géneros, 77 especies y 326 ejemplares diferentes, de los cuales 290 se cultivan al aire libre y 36 en invernadero.
El propósito...
Several aspects of the reproductive biology of Fumana juniperina were analyzed to find out whether delayed selfing occurs within a representative natural population in southwest Sardinia. Similar fruit set was obtained after autonomous, within-flower, and between-flower self-pollination (0.35, 0.53, and 0.46, respectively), cross-pollination (0.45)...
La localidad de Gavarda, fue afectada por la riada de 1982. Como consecuencia de ello el pueblo antiguo fue abandonado y se construyó uno nuevo alejado del río Júcar. Veinticinco años después, el pueblo antiguo sigue en parte habitado y entre los espacios de propiedad municipal se encuentran las antiguas escuelas y unos terrenos adyacentes. Como pa...
Antirrhinum is an Old World genus of up to 25 perennial taxa, mainly located in the western Mediterranean basin. A molecular analysis of 24 taxa of Antirrhinum was undertaken using cpDNA sequences from the trnT (UGU)-trnL (UAA) 5' exon region. The Kimura two-parameter model was chosen to calculate pairwise nucleotide divergence values between cpDNA...
A mediados del siglo XX D. Francisco Beltrán Bigorra, hijo de Nules y, por entonces, director del Jardín Botánico de la Universidad de Valencia, proyectó un jardín botánico para Nules, que se desarrolló entre la estación del ferrocarril y la carretera nacional. Este jardín fue el fruto de la colaboración entre la Universidad de Valencia y Nules ya...
RAPD fingerprinting was used to study species boundaries in narrowly distributed endemic species in Antirrhinum section Sempervirentia. Based on RAPD data, similarity values within species were relatively high but pair-wise similarity values among species were low. Partitioning of the overall RAPD variation using AMOVA showed that most of the varia...
The names Cistus ericoides Cav. and C. laevis Cav. are typified. These names apply to two species, currently classified within the genus Fumana (Dunal) Spach, but the names have been frequently misapplied and both of them pose typification problems. The type specimen of the first has not been found. Thus an illustration is chosen as type and an epi...
The tribe Antirrhineae consists of 29 genera distributed in the New World and the Old. Phylogenetic analyses of ITS and ndhF sequences served to recognize six main lineages: Anarrhinum group (Anarrhinum, Kickxia); Linaria group (Linaria); Maurandya group (Cymbalaria, Asarina, Maurandella, Rhodochiton, Lophospermum); Schweinfurthia group (Pseudoront...
854 • EN CARYOPHYLLACEAE Silene diclinis (Lag.) M. Laínz La mayoría de las poblaciones conocidas están vinculadas a los cultivos de secano, su transformación pondría en peligro la pervivencia de la especie. Identificación Hierba perenne, dioica, de 3-17 cm de altura, ces-pitosa, densamente pubescente, sin pelos glandu-líferos. Tallos postrados o as...
Antirrhinum subbaeticum is an endangered species inhabiting fragmented limestone cliffs. In the last 3 years, a drastic population decline has been observed in three of four known populations and the estimated number of surviving individuals is now close to 400. A RAPD study was conducted to evaluate the levels of genetic variation present in this...
Cistus carthaginensis is one of the most endangered plants in Europe: at present there exist only a few individuals in Murcia and one in Valencia (SE and E Spain). To design an adequate conservation strategy able to avoid the extinction of this species, various aspects of its reproductive biology were studied. The extreme rarity of C. carthaginensi...
The research project for the studying and the preservation of the plant biodiversity in insular western-Mediterranean is being shown. The objectives of the project are to define the most representative and critical taxa of such insular systems from a biosystematic, filogenetic and tassonomic point of view; then to realize a floristic checklist and...
A new species ofFumana
(Dunal) Spach subgenusFumana, F. fontqueri, is described from the region of Rif, Morocco. Notes on its morphology, ecology, distribution and taxonomic relationships
are presented. It differs fromF. procumbens
(Dunal) Gren. etGodr. andF. baetica
Güemes, by the indument of the stem, the disposition of pedicels, and the size of...
The Botanical Garden of the University of Valencia (Spain) was created in 1802. Since the beginning, and especially from the middle of the 19th century, several palm species have been grown. Nowadays they constitute an interesting collection. Phoenix, Sabal, Livistona and Washingtonia are the most represented genera, and some of these palms are mor...
Chromosome numbers of twenty taxa, almost all of them Iberian endemics, of the generaTeucrium, Sideritis, Thymus andSalvia are reported. New chromosome numbers are given for the following taxa:Teucrium homotrichum (2n=78),T. hifacense (2n=26),T. rivasii (2n=26),T. rivas-martinezii (2n=26),Sideritis edetana (2n=30),S. murgetana subsp.littoralis (2n=...
A new species is described for the Iberian flora: Antirrhinum subbaeticum Güemes, Mateu & Sánchez-Gómez (Scrophulariaceae), whose morphological, micromorphological, chorological and ecological aspects have been studied. Comparative data are presented which allow differentiation of the new taxon from A. valentinum Font Quer, A. martenii (Font Quer)...
CRESPO, M. B., J. GUEMES & G. MATEO (1992). Datos sobre algunos táxones iberolevantinos de Biscutella ser. Laevigatae Malinov. (Brassicaceae). Anales ¡ard. Bot. Madrid 50(1): 27-34. En el presente trabajo se aborda el estudio de seis táxones iberolevantinos de Biscutella ser. Laevigatae Malinov. (Brassicaceae): B. alcarriae, B. atropurpurea, B. cal...
Recientemente, hemos tenido ocasión de herborizar, en las comarcas valencianas, algunos táxones pertenecientes al subgénero Chamaesyce Rafin. del género Euphorbia L. entre los cuales destaca E. maculata L., especie que atendiendo a los datos disponibles (cf. MATEO & FlGVEROlA, Fl. Analit. Provincia Valencia: 163-164.1987; BOLÓS & ViGO, Fl. Països C...
Maytenus senegalensis (Lam.) Exell, que se halla sobre todo en las zonas tropicales de Asia y África, pero que alcanza el noroeste del continente último [cf. TUTIN in Tutin & al. (eds.), Flora Europaea 2: 242. 1968], penetra en la región mediterránea por Marruecos, Argelia y España (cf. GREUTER, BURDET & LONG, Med-Checklist 1: 289.1984). Gran parte...
Hemos constatado la presencia de S. pseudoatocion en Murcia y Castellón, provincias que hay que añadir a las ya conocidas de Cádiz, Huelva [Talavera in Valdés & al. (Eds.), Fl. Andalucía Occid. 1:260.1987] y Alicante [Mateo & Nebot in Anales Jard. Bot. Madrid 45(1): 360.1988] en la Península Ibérica.
Fumana fontanesii Clausson in Pomel, Mat. Fl. Atlant.: 10.1860 (= F. calycina Ball) es un taxon cuya distribución conocida hasta el momento se limitaba a los países norteafricanos occidentales. En una reciente excursión realizada a la Sierra de Espuña (Murcia) en busca de diversos táxones de Fumana para la revisión que de dicho género estamos lleva...
A new species is described for the Iberian flora: Fumana baetica J. Güemes (Cistaceae), which has been studied from the morphologic, chorologic and ecologic points of view. Comparative data are presented which allow the differentiation of the new taxon from F. paradoxa Heywood, the species in which it has been included to date, and from F. procumbe...
Se estudian los caracteres palinológicos referentes a forma, tamaño, ornamentación, apertura y estructura de la exina, en las doce especies de la familia Convolvulaceae presentes en el área valenciana, las cuales se pueden separar en cuatro tipos polínicos distintos, que se corresponden con cada uno de los cuatro géneros representados: Calystegia R...
