Pleopeltis lepidotricha (Fée) A.R.Sm. & Tejero

Primary tabs

Pleopeltis lepidotricha (Fée) A.R.Sm. & Tejero

Descripción

Rhizomes creeping, 5–7 mm diam.; rhizome scales pale, concolorous except with cell walls near center dark brown, stramineous to lustrous-castaneous, linear to linear-lanceolate, longattenuate, remotely serrulate, 2–2.5(–4) X 0.5–0.8 mm, often reflexed; fronds 30–65 cm long, distant; stipes 1⁄3–1⁄2 the frond length, stramineous, lanose with pale acicular scales with round basal portion 0.3–0.5 mm wide, centers dark red, tips 2–4 mm long, twisted, white; blades deltate-ovate or obovate, pinnatisect, with terminal pinna conform, 16–23 cm wide; pinnae 10–18 pairs, to 12 X 0.7–1.5 cm, linear-deltate, broadly adnate, surcurrent to equally surcurrent and decurrent, occasionally slightly constricted at bases, nectaries on surcurrent edges, apices acuminate; costae prominent, stramineous; adaxial laminar surfaces with scattered minute acicular fimbriate scales; abaxial surfaces with more and larger scales, centers red, tips white, 1–1.3 mm long; veins not evident; sori slightly oblong, pushing through scale cover, impressed, adaxial surfaces embossed; sporangia glabrous.
A

Forma de crecimiento

Hierba

Forma de vida

EpífitaA

Nutrición

Autotrófica

Ejemplar revisado

Related to the synonym (Polypodium lepidotrichum) Hgo (Rzedowski 28695, NY). Oax (Mickel 4352b, 7293, NY). Pue (Pérez García 755, MEXU; Sánchez M. 669, US). Ver (Bourgeau 2853, NY; Nee & Taylor 29063, NY; Taylor et al. 131, NY; Ventura A. 2357, 10280, NY).
Unverified, Doubtful, or Mistaken Reports. Qro (Díaz-Barriga 6656, IEB, cited by Díaz-Barriga & Palacios-Rios, 1992, but not verified and doubtful, probably Polypodium rosei).A

Distribución

México (país) EndémicoA

Elevación

300 – 1850 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

(Related to the synonym Polypodium lepidotrichum) Among members of the P. squamatum L. complex, P. lepidotrichum is distinct by its long pinnae, strongly reflexed rhizome scales, and the long-tipped, acicular stipe 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]