Elaphoglossum leonardii Mickel

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Elaphoglossum leonardii Mickel

Descripción

Rhizomes short-creeping, 2–3 mm diam.; rhizome scales linear, lustrous, maroon, ca. 2 mm long, with short teeth; fronds clumped, 7–14 X 1.5–2.8 cm; stipes 1⁄2–3⁄5 the frond length, with scales orange to maroon, subulate, widely spreading, ca. 1 mm long, and with minute erect glandular hairs; phyllopodia absent; blades ovate to lanceolate-oblong, chartaceous, bases rounded, apices obtuse to acute; veins evident, free, simple or once-forked, 1.5–2 mm apart, at 60–70° angle to costa; hydathodes distinct; blade scales subulate, orange to maroon, generally abundant on abaxial surfaces, sparse to absent adaxially, 1–2 mm long; fertile fronds shorter than the sterile fronds (2⁄3 to nearly as long), their blades much smaller (1⁄3–1⁄2 the dimensions of the sterile blade), often folded at the costa before maturity, scales scattered among the sporangia.A

Forma de crecimiento

Hierba

Forma de vida

Epipétrica. -no state-A

Nutrición

Autotrófica

Ejemplar revisado

Known only from the type collection. Oax (Mickel 5296, NY, MEXU, UC, NCU).A

Distribución

México (país) EndémicoA

Elevación

2700 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 leonardii closely resembles E. lindenii, from which it differs in having the blade apices acute to obtuse rather than cuspidate.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]