Pleopeltis villagranii (Copel.) A.R.Sm. & Tejero

Primary tabs

Pleopeltis villagranii (Copel.) A.R.Sm. & Tejero

Descripción

Rhizomes creeping, 1.5–2 mm diam.; rhizome scales concolorous tan, lanceolate, entire to minutely denticulate, 4–6 X 1 mm; fronds (9–)13–28 cm long, 3–15 mm distant; stipes 1⁄8–1⁄4 the frond length, castaneous to atropurpureous, densely clothed with patent lanceolate scales 4–6 mm long like those on rhizomes, other scales, like those on blades; blades pinnatisect, narrow to linearoblong, (1.5–)2–4 cm wide; pinnae 28–44(–86) pairs, linear, 8–20 mm long, sterile 2–3.5 mm wide, fertile ca. 2 mm wide; abaxial blade surfaces with dense linear-lanceolate to acicular scales with round fimbriate bases and long-attenuate apices, orangetan but with reddish brown point of attachment, 3–4 mm long, some scales lanceolate, to 1.5 mm long; scales broader overlying sori; adaxial blade surfaces with scales with round fimbriate bases, reddish brown at point of attachment, acicular ca. 2 mm long, glabrescent with age; venation obscure; sori round, medial; sporangia glabrous.A

Forma de crecimiento

Hierba

Forma de vida

EpífitaA

Nutrición

Autotrófica

Ejemplar revisado

(Related to the synonym Polypodium villagranii) Gro (Faxson et al. 17M740, TEX). Hgo (Barkley 17M027, F, TEX, US; Moore 5084, UC, US; Sharp 441765, US). Oax (Mickel 7124, NY). Pue (Sánchez Mejorada 656, US). Qro (Rzedowski 46800, IEB). SLP (Rzedowski 10972, ENCB; White 19A, US). Ver (Nee 22495, XAL).A

Distribución

México (país) EndémicoA

Elevación

1000 – 1300 mA

Tipo de vegetación

Bosque de encino, 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

(In relation to the synonym) Polypodium villagranii closely resembles P. furfuraceum, but is distinct in having the adaxial blade scales subentire, with bases slightly toothed (vs. stellate), and rhizome scales lanceolate and entire (vs. finely toothed).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]