angel maria romo diez

Institut Botànic de Barcelona, Spanish National Research Council

Rhododendron myrtifolium and R. ferrugineum are small, shrubby plant species that are morphologically similar to each other. They both grow on siliceous substrates in the subalpine belt of European mountains. In the present study, leaves and capsules from 11 populations of R. myrtifolium from the Carpathians were compared with those from 13 populat...

Rhododendron ferrugineum occurs in the mountains of the Central Europe with large disjunction in geographic range between Pyrenees and Alps and between Alps and Sudetes. We expect that these discon­tinuities in the species occurrence should involved their phenotypic differentiation, similar as described on the studies of molecular markers. The aim...

A taxonomic revision of the Alchemilla in the High Atlas Mountains has been carried out. This genus is represented in Morocco by Alchemilla atlantica, A. gourzai, A. litardieri, A. mairei and by a new taxon A. boratynskii, sp. nov., described here from the High Atlas Mountains range. Data on their chorology, ecology and phenology, as well as an ide...

Pinus syvestris from the Iberian Peninsula was biometrically compared, using needle morphological and anatomical characteristics from 15, and cone morphological characteristics from nine natural populations. Samples of Scots pine represent subspecies nevadensis and varieties pyrenaica, catalaunica, and iberica. Analyses included 25 needle and 17 co...

The botanical illustrators who have been partners in the work of identifying plants in Catalonia are under review in this paper. The use made of the illustrations of Hippolyte Coste’s “Flore descriptive et illustrée de la France” first, for the “Flora de Catalunya” and, later, the “Flora dels Països Catalans_” stands out. In the¬se works it is diff...

Aim The aim of this study is to model the past, current, and future distribution of J. phoenicea s.s., J. turbinata, and J. canariensis, based on bioclimatic variables using a maximum entropy model (Maxent) in the Mediterranean and Macaronesian regions. Location Mediterranean and Macaronesian. Taxon Cupressaceae, Juniperus. Methods Data on the o...

Aim The aim of this study is to model the past, current and future distribution of J. phoenicea s.s., J. turbinata and J. canariensis, based on bioclimatic variables using a maximum entropy model (MaxEnt) in the Mediterranean and Macaronesian regions. Location Mediterranean and Macaronesian Taxon Cupressaceae, Juniperus Methods Data on the occurren...

The firs (genus Abies, Pinaceae) species are a diverse and ecologically and economically important forest trees. In the Mediterranean and Central Europe, the genus Abies comprises twelve taxa with only partially resolved systematic statuses, and it has been classically divided into the sections Piceaster (fir-type 'ancestral' group) and Abies (fir-...

Juniperus thurifera is a key element of the forest communities in arid and semi-arid areas of the western Mediterranean. Previous genetic and morphological investigations suggested that Algerian populations are genetically more similar to European than to Moroccan populations and advocated their recognition at the variety rank. We aimed to investig...

Analyses based on cone, seed and needle characteristics revealed that J. canariensis Guyot in Mathou & Guyot is distinct from both the Circum-Mediterranean J. turbinata and West-Mediterranean J. phoenicea. The genetic differences between these three taxa, which make up the aggregate of J. phoenicea, are found also at a high level. These data suppor...

Juniperus drupacea is a unique relict species found in the mountains of southern Greece, southern Turkey, and western Syria and Lebanon. The aim of this study was to describe the natural range of this juniper by determining the current locations of its populations and to predict a theoretical range for the species based on current, past, and future...

En aquesta guia podem trobar un bon nombre dels arbusts, arbres i lianes del Parc de la Serralada de Marina. La relació dels hàbitats i la flora és ben estreta, per això les plantes s’han organitzat en els hàbitats que caracteritzen o que hi són abundants. Un hàbitat es pot definir com un conjunt d’elements físics i biològics que apareixen associat...

Combinations in the genus Spergula (Caryophyllaceae): three taxa endemic to northern Africa, two of them largely overlooked. Taking into account their morphology and chorology, two new combinations in the genus Spergula (Caryophyllaceae) are proposed. Spergula tibestica (Quézel et Monnier) Lebrun ex Romo et Pyke, for a taxon endemic to the Tibesti...

A survey of living plants has been conducted with 73 schoolchildren aged 14 to 17. The low knowledge of plants supports the theory of plant blindness and the need to rethink our perception about plants. In addition, knowledge of the plants requires personal experience of visual recognition of living plants. Key words: Anthropocentrism, Bryophytes,...

Automimicry of four endemic taxa from Chile of the genus Puya (Bromeliaceae) is graphically documented and described. Also the automimicry of some species of genus Greigia, Ochagavia, Fascicularia and Deuterocohnia (Bromeliaceae) from Chile is studied. The aposematic value of pressmarked spines and shadow spines, two cases of automimicry, are discu...

Mediterranean Cupressus taxa (C. atlantica, C. dupreziana and C. sempervirens) exemplify a schizo-endemic distribution resulting from vicariant speciation related to climate-induced contraction and fragmentation of their ancestral geographical range. Here, we investigate the evolutionary history of Mediterranean Cupressus taxa and the phylogeograph...

Aquesta col.leció de fitxes s'adreça a professors d'ensenyament secundari, amb l'objectiu de proporcionar-los una informació basica, tant cientlfica com metodologica, per tal que aixl ells mateixos puguin elaborar els materials did!àctics més adequats per a l'estudi de la vegetació de Badalona amb els seus alumnes, en el nou marc de la Reforma Educ...

The Beech Forests of Matagalls (Montseny, Catalonia, Spain): description, phytodiversity and phytoso-ciological characterisation. Study of the beech forests of Matagalls in Montseny based on 77 unpublished inventories taken at different points, orientations and substrates. The large majority belong to the beech forest with deschampsia (Luzulo-Faget...

Fifty-four phanerophytes belonging to 26 different families live on El Hierro Is- land. Within El Hierro, the following different vegetation belts are recognized: (1) low level (tabaibal); (2) intermediate level dominated by Juniperus turbina- ta subsp . canariensis woodlands (sabinar); (3) upper level on the North-facing slopes, which are very hum...

Els prats montans de pèl caní (Nardus stricta) al Montseny (Catalunya). Miconia, 2: 253-288. Resum: Descripció i caracterització fitosociològi-ca dels prats de pèl caní (Nardus stricta) de la Calma i de Matagalls (Montseny). Aquests prats acidòfils i d'afinitat atlàntica es troben en llocs de topografia suau i sobre sòls humits de l'es-tatge montà....

The aim of this study was to examine the diversity of, and differentiation between, 41 natural populations representing Juniperus phoenicea complex within their geographic range using the morphological characteristics of cones, seeds, and sprouts with leaves. Seven populations of J. phoenicea s.s., 25 J. turbinata and nine J. canariensis, each repr...

The phytodiversity along an altitudinal gradient inside the crater of the Provincial Geological Reserve «Laguna Azul», on the volcanic field of Pali Aike, province of Santa Cruz (Argentina) has been studied. High biodiversity is reported, since on a very small surface area taxa of different plant communities are present, some of which are rare or a...

Nous rapportons ici la redécouverte de l’Anemone ranunculoides, une espèce connue du Montseny mais qui n’avait pas été retrouvée depuis le XVIII siècle. Elle fait partie des plantes rares du massif, tout comme Avenula pubes- cens ssp. pubescens, Galinsoga quadriradiata, Milium effusum et Orobanche haenseleri. Mots clés: flore, taxon, UTM, Catalogne...

• Background and Aims While the ‘worldwide leaf economics spectrum’ (Wright IJ, Reich PB, Westoby M, et al. 2004. The worldwide leaf economics spectrum. Nature 428: 821–827) defines mineral nutrient relationships in plants, no unifying functional consensus links size attributes. Here, the focus is upon leaf size, a much-studied plant trait that sca...

The knowledge on chorology of species is basic for biogeographic and ecological studies and for conservation actions. The data on the chorology of Taxus baccata in Morocco have not been studied. The bibliographic resources, herbarium material, unpublished data of several botanists and the authors’ field notes have been reviewed. Two yew populatio...

The megaphorb plant community peculiar to humid soils rich in nitrogenous components and named Urtico membranaceae-Smyrnietum olusatri is reported for the first time from the hill of Montjuïc in the city of Barcelona (Catalonia, Spain). The physiognomy, phenology, ecology and plant biodiversity of this phytosociological plant association is reporte...

Romo, Àngel, 2017. Les comunitats d'Erinacea anthyllis a la serra de Leire (Navarra). Miconia, 1: 83-95. Resum: En aquest article estudiem les comunitats vegetals dominades per Erinacea anthyllis a la serra de Leire, als Pirineus de Navarra. Propo-sem un nou sintàxon: Helianthemo incani-Eri-nacetum anthyllidis. Descrivim la fitodiversitat, l'ecolog...

Aim Scots pine is one of the dominant tree species in forest ecosystems of the temperate and boreal zones in Eurasia. Since the Tertiary, it has persisted also in the Mediterranean region, forming relict populations. In this study, we investigate range-wide genetic diversity of Scots pine, aiming to provide comprehensive information on the phyloge...

The needles from 25 trees of Abies equi-trojani from the Kazdağ (Mt. Ida) were compared with those from four populations of A. alba, two of A. cephalonica, and from three of each of A. ×borisii-regis, A. bornmuelleriana and A. nordmanniana, each represented by 29–31 individuals. Thirty-nine morphological and anatomical needle characters were examin...

The high mountain plants of Central and Southern Europe survived the glacial periods in the same mountain ridges, but at lower altitudes and possibly covering larger areas than during interglacials. This implies a high level of species differentiation between isolated mountain ridges. Pinus mugo complex, which includes P. mugo s.s. (Alps, Sudetes,...

Juniperus drupacea is an eastern Mediterranean mountain tree with a disjunct geographical range. We hypothesized that this disjunct occurrence (the Peloponnese in Europe and the Taurus and Lebanon Mountains in Asia) should be reflected in the patterns of genetic and morphological diversity and differentiation. Nuclear microsatellite markers (nSSR)...

The genome is structurally and functionally influenced by ecological factors during adaptive processes. Several natural factors can cause this, and here we present the effects of different growth conditions on the genome size. Genome size assessments were carried out by flow cytometry for a set of 19 taxa for each of three growing conditions: (i) w...

The taxa of Cotoneaster Medik. (Rosaceae) from NW Africa (Morocco, Algeria and Tunisia) have been revised. The taxonomic position of C. atlanticus G. Klotz is justified and the occurrence of C. granatensis Boiss. in Morocco is confirmed. Diagnostic characters, descriptions, detailed illustrations and distribution maps are given for both taxa. Morph...

The phenotypic differentiation of relic P. sylvestris in southern Europe and southwestern Asia was verified using thirty-two populations sampled from the Iberian Peninsula, Massif Central, Balkan Peninsula, Crimea and Anatolia. Twenty-one morphological and anatomical needle traits and 18 cone morphological characteristics were examined to describe...

Despite Juniperus spp. being an important component of Mediterranean arid and semi-arid ecosystems, there is a lack of complex studies on their biogeographical patterns. Using 16 morphological cone and seed traits and three nuclear microsatellite markers, we investigated the morphological and genetic variability of seven Mediterranean and Macarones...

Resumen En la Reserva de la Biosfera de la isla de El Hierro se encuentran los sabinares de Juniperus turbinata Guss. más extensos de las Islas Canarias, aunque su área de distribución actual es muy inferior a la potencial. El objetivo principal fue estudiar las especies que se encuentran en el sabinar, su estructura y las condiciones ambientales e...

We present a study of the distribution, ecology and conservation status of Cupressus atlantica, an endemic tree of the High Atlas (Morocco). The main populations of this species grow in a reduced area along the N'Fiss valley in the Central High Atlas and are gradually receding. Particular populations are increasingly fragmented and the total area c...

The aim of this study was the biometrical comparison of Abies pinsapo Boiss., Abies maroccana Trab. and Abies tazaotana Côzar ex Villar from Spain and Morocco. The morphological and anatomical analysis of the needle characters of these firs revealed significant taxonomic differences. The results showed considerable distances between regions and ver...

Juniperus thurifera is an important component of woodland communities of dry sites within the West Mediterranean region and is characterised by a strongly disjunctive geographic range. Two subspecies were recognised, subsp. thurifera in Europe and subsp. africana in Africa. The aim of the study was the comparison of phenetic diversity to the patter...

The main aim of the present study was testing the value of the morphological and anatomical character-istics of the needles in distinguishing Cedrus atlantica, C. libani and C. brevifolia. Nine populations were sampled in their natural habit and 25 characters were used to describe the variation of the brachyblast needles and to analyze the differen...

The main aim of the present study was testing the value of the morphological and anatomical characteristics of the needles in distinguishing Cedrus atlantica, C. libani and C. brevifolia. Nine populations were sampled in their natural habit and 25 characters were used to describe the variation of the brachyblast needles and to analyze the differenc...

Juniperus excelsa M.-Bieb. is a major forest element in the mountains of the eastern part of Mediterranean and sub-Mediterranean regions. This study comprises the first morphological investigation covering a large part of the geographical range of J. excelsa and aims to verify the congruency between the morphological results and molecular results o...

Mediterranean junipers are of special ecological importance as key components of resource islands in semi-arid mountain ecosystems of the Mediterranean basin. The fragmentation of their habitat, which was primarily natural and driven by climatic drought conditions, is currently being aggravated by anthropogenic pressure. In the framework of this co...

The section Atlanticae of the genus Luzula (Juncaceae).- Luzula atlantica Braun-Blanq. and Luzula tibestica (Quézel) Zarhan ex Romo & Boratyński are the only representatives of the section Atlanticae Kirschner of the genus Luzula. Luzula atlantica is an endemic plant from the High Atlas Mountains and Luzula tibestica is endemic to the Tibesti massi...

• Introduction, Material and Methods The genetic structure and diversity of ten natural populations of Juniperus phoenicea L. from the western part of the species range have been studied using random amplified polymorphic DNA (RAPD) markers. • Results and discussion Among 10 analyzed primers only 3 reproduced consistently across successful PCR rea...

Specific leaf area (SLA), a key element of the 'worldwide leaf economics spectrum', is the preferred 'soft' plant trait for assessing soil fertility. SLA is a function of leaf dry matter content (LDMC) and leaf thickness (LT). The first, LDMC, defines leaf construction costs and can be used instead of SLA. However, LT identifies shade at its lowest...

Dioecy is a mating system in which a greater reproductive effort has been observed in one sex than the other. This is expressed in differences between the sexes in growth rate and spatial segregation. The spatial structure of Juniperus thurifera subsp. thurifera and Juniperus communis subsp. communis and growth rate of tree-ring width of J. thurife...

Data about the occurrence of Rosa rubiginosa in northern Morocco are presented in this article. Until now the species was thought to be endemic to Europe.

Se propone un nuevo estatus y combinación nomenclatural para Erica cinerea var. numidica. Se aportan nuevos datos sobre la morfología, corología y ecología de este taxón.

Genome size is a function, and the product, of cell volume. As such it is contingent on ecological circumstance. The nature of 'this ecological circumstance' is, however, hotly debated. Here, we investigate for angiosperms whether stomatal size may be this 'missing link': the primary determinant of genome size. Stomata are crucial for photosynthesi...

The biometrical comparison of nine populations of Juniperus phoenicea from the western part of the species geographic range was the aim of the present study. Seven features of the cones and seeds, two of the shoots and leaves and eight proportions were studied biometrically and analysed using statistical methods. Two of analyzedpopulations, suppose...

Different types of plant communities, till now undetected in Morocco, are here described using the phytosociological method. The following new subassociations and associations are proposed: Anthyllido polycephalae-Stachydetum fontqueri subass. quercetosum rotundifoliae is a machia from the Northern Rif Mountains; Genisto anglicae-Ericetum ciliaris...

Five Compositae taxa which are illustrated in floristic publications for Andorra are questionable records which appear to have never been collected there in the wild. Se comentan cinco taxones de compuestas que aparecen confusamente ilustrados en publicaciones florísticas de Andorra y que nunca se han recolectado en territorio andorrano.

Fourteen natural populations of Juniperus phoenicea L. from the quite entire species range have been compared using isoenzyme polymorphism. Among 17 loci, 5 (Got1, 6Pgd3, Pgi2, Pgm2 and Shdh2) appeared to be differentiated sufficiently to provide useful information for discrimination between the subspecies phoenicea and turbinata (Guss.) Nyman. Two...

The rupicolous plant communities of the Moroccan Rif and Atlas Mountains and the Algerian Djurjura Mountains have been studied in this contribution. The structure and floristic composition of these plant communities are described according to the phytosociological methodology. The following seven new syntaxa are described: Saxifrago tricrenatae-Poe...

2 pages, 1 figure.-- Nota breve. Portulaca granulato-stellulata (Poellnitz) C. Ricceri & P. V. Arrigoni is a subcosmopolitan plant of uncertain origin (DANIN et al., 1978; DANIN, 2000). It has been recently reported from Tenerife Island (DANIN & REYES-BETANCORT, 2006), the first reference for the Canary Islands, since prior to this, the taxon had n...

2 pages, 1 figure.-- Nota breve. Mercurialis canariensis Obbard & S. A. Harris is an endemic plant recently described from the Canary Islands (OBBARD et al., 2006b: 103). This taxon went undetected until recently, having been included within the variability of the Mercurialis annua sensu lato complex (HANSEN & SUNDING, 1993:170; STIERSTORFER & GAIS...

In Morocco the genus Pterocephalus ADANS. (Dipsacaceae) is represented by two species: Pterocephalus depressus COSSON & BALANSA, endemic in the Grand Atlas and Pterocephalus kunkelianus PERIS, ROMO & STÜBING sp. nova, endemic in the central part of the Rif mountains. Information on the nomenclature, morphology, ecology and distribution of both taxa...

Aus dem Rif-Gebirge (Marokko) wird eine neue An der Gattung Rumex L. (R. bolosii) beschrieben. A description is given of a new species in the genus Rumex L. (R. bolosii) from the Rif mountains.

Aus dem Rif-Gebirge (Marokko) wird eine neue Art der Gattung Sideritis L. (S. fontiqueriana) beschrieben. A description is given of a new species of the genus Sideritis L. (S. fontiqueriana) for the Rif mountains (Morocco).

Juniperus excelsa and J. thurifera are considered to originate from the same ancestor. As a result of occurring in geographically isolated refuges –J. excelsa in SE Europe and SW Asia and J. thurifera in SW Europe and NW Africa – their divergence could have taken place at the end of the Tertiary, with the climate cooling. Juniperus foetidissima occ...

Juniperus thurifera L. subsp. africana (Maire) Romo & Boratyński stat. nov. is proposed and justified. Morphological characters that separate that taxon from J. thurifera subsp. thurifera are provided.

Thirty-six taxa rare for the flora of the High Atlas were found in the Oukaïmeden valley (High Atlas, Morocco) and its surrounding mountains. The previous records of several of them are amplified and taxonomic and chorological comments are given. Juncus capitatus is reported for the first time for the High Atlas. Arenaria serpyllifolia and Lotus co...

Rhododendron myrtifolium Schot & Kotschy is a high-mountain plant dispersed at several relict Pleistocene localities in isolated massifs of the Carpathians and in the Balkan mountains. The East Carpathians of Ukraine are the northernmost part of its range. This study assessed the current distribution and status of the species by surveying most of i...