Elaphoglossum seminudum Mickel

Primary tabs

Elaphoglossum seminudum Mickel

Descripción

Rhizomes very long-creeping, ca. 3 mm diam.; rhizome scales ovate, pale brown, black at peltate attachment, mostly 3–4 mm long, entire, somewhat deciduous, leaving mostly naked rhizomes; fronds 2–4 cm apart, to 38 X 2.5–3.5 cm; phyllopodia distinct, 1.5–3 cm long; stipes 1⁄3–1⁄2 the frond length, with scattered ovate scales similar to those of rhizomes and minute, black, appressed, stellate hairs; blades lanceolate to narrowly elliptic, coriaceous, bases broadly cuneate, apices acute; veins obscure, free, simple or once-forked, ca. 1 mm apart, at ca. 70° angle to costa; hydathodes absent; blade surfaces nearly glabrous with minute stellate hairs and a few broader scales on the costae, especially on the abaxial surfaces; fertile fronds slightly to much longer than the sterile fronds, the stipes longer (1⁄2–2⁄3 the frond length) and the blades slightly narrower, scales absent throughout.A

Forma de crecimiento

Hierba

Forma de vida

TerrestreA

Nutrición

Autotrófica

Ejemplar revisado

Hgo (Herrera & Riba s.n., Jan 1961, MEXU; Lorence 4919, MEXU; Pringle 10307, CAS, CHAPA, ENCB, IEB, MICH). Oax (Breedlove 65989, CAS; Hellwig 375, NY; Mickel 4656, 5592, NY). Ver (Bohs et al. 1838, GH, XAL; Taylor & Nee 257, NY; Ventura A. 357, IEB, NY).A

Distribución

México (país) EndémicoA

Elevación

1750 – 2450 mA

Tipo de vegetación

Bosque de neblina/mesófiloA

Categoría IUCN

No incluidaB

Categoría NOM-059-SEMARNAT-2010

No incluidaC

Estatus del taxón

(A) Como definida actualmente, probablemente una entidad natural (monofilética)

Discusión taxonómica

Elaphoglossum seminudum is close to E. lingua (Raddi) Brack. of Central and South America and the West Indies, but has more slender blades, and tan, rather than black, rhizome scales.A

Bibliografía

A. Mickel, J. T. & Smith, A. R. 2004: The Pteridophytes of Mexico Vol. 88
B. IUCN 2022: The IUCN Red List of Threatened Species. Versión 2022-2
C. SEMARNAT 2019: MODIFICACIÓN del Anexo Normativo III, Lista de especies en riesgo de la Norma Oficial Mexicana NOM-059-SEMARNAT-2010: 101 pp. – https://www.dof.gob.mx/nota_detalle.php?codigo=5578808&fecha=14/11/2019#gsc.tab=0 [accessed 2023-05-04 06:16]