Elaphoglossum tectum (Willd.) T.Moore

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Elaphoglossum tectum (Willd.) T.Moore

Descripción

Rhizomes compact, short- to moderately creeping, 2–3 mm diam.; rhizome scales linear- lanceolate, dark reddish black, sclerotic, lustrous, ca. 5 mm long, with a few pale, weak hairteeth; fronds clumped to 3 mm apart, 60–80 X 1.7–2.6 cm; phyllopodia indistinct; stipes 1⁄3–1⁄2 the frond length, with scales appressed, peltate, round with dark centers and short hairteeth; blades linear-elliptic, chartaceous, bases narrowly cuneate, apices long-acuminate; veins obscure, free, simple or onceforked, mostly 0.7–1 mm apart, at ca. 80° angle to costa; hydathodes absent; blade scales on adaxial surfaces white, appressed, round, peltate, toothed, deciduous with age, scales on the abaxial surfaces reduced to stellate hairs; fertile fronds about as long as the sterile or slightly longer, but with narrower blades and longer stipes more than 1⁄2 the frond length, scales round, peltate on abaxial costae but absent among the sporangia; 2n =164 (Jam).A

Forma de crecimiento

Hierba

Forma de vida

o epipétrica, menos común epífita. TerrestreA

Nutrición

Autotrófica

Ejemplar revisado

Chis (Breedlove 23172, DS; Lloyd 4064, ENCB p.p.). Oax (Mickel 5086b, 5096, NY). Ver (Bourgeau 2538, K, 3065, NY; Müller 42, NY; Purpus 2350, 6187, US; Smith 2017, UC).
A

Distribución

Caribe PresenteA, Centroamérica: Costa Rica PresenteA; Guatemala PresenteA; Honduras PresenteA; Panamá PresenteA, México (país) Nativo y no endémicoA, Sudamérica PresenteA

Elevación

1350 – 1550 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

This species is readily distinguished by the round, peltate scales on the stipes and adaxial blade surfaces and stellate hairs on the abaxial blade surfaces.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]