Pleopeltis plebeia (Schltdl. & Cham.) A.R.Sm. & Tejero

Contenido

Descripción

Rhizomes creeping, 3–5 mm diam.; rhizome scales bicolorous, each with narrow, black center, and broad, thin, membranous, ruffled margins, 2–3 mm long, lumina occluded in central streak; fronds 12–35 cm long, distant; stipes 1⁄4 to nearly 1⁄2 (rarely over 1⁄2) the frond length, reddish brown to atropurpureous, nearly glabrous but with scattered, appressed scales with dark central streak and pale, thin margins; blades pinnate to pectinate, oblong-deltate, not reduced proximally, 5–10 cm wide, distal pinnae ascending; pinnae 10–17 pairs, linear to linear-deltate (to linear-lanceolate), 3–5 mm wide, not or barely constricted near bases, apices acuminate to broadly acute; scales minute, brown, ca. 0.5 mm long, sparse, inconspicuous; adaxial surfaces glabrescent with hydathodal pits; margins entire to crenulate, modified, clear; veins not visible; sori round, medial; sporangia glabrous; 2n=74 (Oax).A

Forma de crecimiento

Hierba

Forma de vida

Epífita, TerrestreA

Nutrición

Autotrófica

Ejemplar revisado

(Related to the synonym Polypodium plebeium) Chis (Breedlove 21148, NY). Gto (Ventura V. & López P. 9571, IEB). Hgo (Rzedowski 27652, NY). Méx (Rzedowski 24040, LL). Oax (Mickel 7144, NY). Pue (Rzedowski 23391, NY). Qro (Rubio 2085, MEXU). SLP (Pringle 3258, NY). Tam (von Rozynski 713, NY). Ver (Diggs & Nee 2917, NY).
Unverified, Doubtful, or Mistaken Reports. Gro (Lorea 1507, FCME, cited by Lorea-Hernández & Velázquez M., 1998, but not verified). Mor (cited by Riba et al., 1986, but specimens are P. madrense). Tab (reported by Magaña, 1992, but figured plant is Polypodium polypodioides).A

Distribución

Centroamérica: Costa Rica PresenteA; El Salvador PresenteA; Guatemala PresenteA; Honduras PresenteA; Nicaragua PresenteA; Panamá PresenteA, México (país) Nativo y no endémicoA

Elevación

600 – 3050 mA

Tipo de vegetación

data unavailable

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 plebeium (synonym) and its close relatives have blackcentered rhizome scales with tan, well differentiated, membranous marginal wings, but P. plebeium is distinct by the rhizome scales spreading with crisped margins and ascending distal pinnae.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]