Espeletia argentea 1, × 1,; KB. 0 references. taxon name. Espeletia argentea. taxon author · Aimé Bonpland · year of taxon name publication. Espeletia argentea is a species of plants with 41 observations. This name is the accepted name of a species in the genus Espeletia (family Compositae). The record Espeletia argentea f. phaneractis () Cuatrec .
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Photomicrographs of Espeletiopsis diazii. The Espeletia is well known for contributing to the world in water sustainability by capturing water vapor from passing clouds in its spongy trunk and releasing it through the roots into the soil [ citation needed ]thus helping to create vast high-altitude subterranean water deposits and lakes that will eventually form rivers.
Espeletia praesidentis Diazgranados Espeletia pycnophylla Cuatrec. BoxSmithsonian Institution, Argentez D.
With a total distribution area of less than 75 km 2this species is probably critically endangered or imperiled. A Fragment of anther espeletix pollen grains B pollen grain C disc flower style with pollen grains D papillae of outer side of stigmatic branches, showing pollen grains. Click here to view.
The remaining eight species, all from Colombia, have yellow ligulae: Retrieved from ” https: The most studied species are Espeletiopsis corymbosa Humb. In the monograph of EspeletiinaeCuatrecasas treated seven of these genera in detail, but Espeletiopsis remained untreated.
In other agentea Wikimedia Commons Wikispecies.
American Journal of Botany Capitulescence compact, with a dense glomerate cyme of 1— 4—6 —7 capitula, peduncles up to 1 —3 cm long. Ann Naturhist Mus Wien Two of these Espeletiopsis angustifolia Cuatrec. A acaulescent sessile habit B lateral view of a section of the capitulescence, showing the long peduncles of the capitula C rosette from the top D capitulescence spreading and rosette M. Espeletia Mutis ex Bonpl.
Capitula radiate, subglobose, 2. In addition to general morphology and reports in inventories and floras, six species have studies on anatomy Carlquist ; Ortega ; Rock ; Torres de Ricardisix on chemistry Bohlmann et al. However, monochasial capitulescences with several alternate bracts along the scape place this species within Espeletiopsis. Libanothamnus Ernst Tamania Cuatrec. Received Oct 4; Accepted Dec Collections were made under the permit No.
Espeletia argentea – Wikispecies
argentra Revista Acad Colomb Ci Exact Cypselae oblong, triangular, 2. Discussion Espeletiopsis diazii is a very distinctive species. National Center for Biotechnology InformationU.
Other Espeletiinae found in the area are: According to CuatrecasasEspeletiopsis represents a derived line of evolution within Espeletiinaebeing mainly adapted to lower elevations. Marcescent leaves help protect the plants from cold. We also thank the editor and reviewers for their comments.
Capitula 1— 4—6 —7arranged in a compact or dense glomerate cyme in the distal 3—4 cm of the capitulescence; peduncles terete, short, 1 —3 cm long or less; with indumentum lanose whitish-yellowish, and portions of epidermis reddish. Ray flowers 30— 44—46 in 2 —3 series, yellow, This activity continues, despite the Colombian government declaring it illegal. Still now, the area is floristically poorly known. Currently the genus contains 22 species, two varieties, three forms and three described hybrids Diazgranados a.
Espeletia argentea ·
argdntea Studies on Neotropical Fauna and Environment Abaxial face with loose indumentum, silvery or whitish, with hairs up to 2 mm long; costa more prominent than from adaxial face, secondary nerves invisible. A acaulescent sessile habit B whitish espepetia from top C lateral view of capitulescence showing a dense glomerate cyme of capitula D capitulum of the holotype collection M.
Author information Article notes Copyright and License information Disclaimer. The laminae lack pseudopetioles and the sheaths are oblong, rectangular, not broadening toward the base, the features being rare in Espeletiopsis but characteristic of Espeletia sect.
Espeletia argentea Humb. & Bonpl.
This page was last edited on 27 Augustat The trunk is thick, with succulent hairy leaves disposed in a dense spiral pattern. The area of distribution is less than 75 km 2. This genus is diagnosed by axillary, monochasial, corymbiform-paniculate capitulescences, with branches, leaves and bracts spirally alternate, and involucres with gradual transition from sterile outer phyllaries to fertile inner phyllaries Cuatrecasas Frontiers in genetics 4: Capitulescences 2—5, corymbiform, more or less coetaneous, axillary, emerging from the upper nodes, twice longer than the leaves, 15— 25—45 —60 cm long; indumentum abundant, lanose-sericeous white towards the base, becoming lanose whitish-yellowish towards the distal portion.
University of Maryland, College Park.