Pleopeltis pyrrholepis (Fée) A.R.Sm. & Tejero
Descripción
Rhizomes creeping, 5–7 mm diam.; rhizome scales widely spreading, 3–4 mm long, bicolorous with black bases and maroon, long-attenuate, ciliate-serrulate tips, the teeth often bifid; fronds 25–50 cm long, distant, 1–2 cm apart; stipes 1⁄4–1⁄2 the frond length, castaneous, with long, acicular scales with somewhat twisted tips; blades pinnatisect, linear-lanceolate, 3.5–7 cm wide with very small terminal pinna; pinnae 22–40 pairs, linearoblong, to 2.5–3.5 cm long, bases broadly adnate, surcurrent, 4–6 mm wide, apices obtuse; nectaries on acroscopic surcurrent pinna bases; costae prominent, dark, at least in proximal half; adaxial surfaces with scattered acicular, fimbriate, white scales, with light brown centers; abaxial surfaces with dense scales 2–2.3 mm long, these with light brown centers, whitish margins and light Brown tips; sori round, emerging through scales; sporangia glabrous; 2n=74 (Oax, Ver).A
Forma de vida
EpífitaA
Ejemplar revisado
(Related to the synonym Polypodium pyrrholepis) Chis (Breedlove 25139, 34569, NY). Oax (Hernández G. 356, NY; Mickel 6464, NY; Wendt et al. 3625, NY). Tab (Magaña 2122, ENCB). Ver (Bourgeau 1446, NY; Purpus 2166, NY; Wendt et al. 3612, 3968, NY).
Unverified, Doubtful, or Mistaken Reports. Mich (Díaz-Barriga 1338, IEB, XAL, cited by Díaz-Barriga & Palacios-Rios, 1992, but not verified and doubtful, probably Polypodium rosei). Mor (Pérez García 794, UAMIZ, cited by Riba et al., 1996, but specimen is Polypodium rosei).A
Unverified, Doubtful, or Mistaken Reports. Mich (Díaz-Barriga 1338, IEB, XAL, cited by Díaz-Barriga & Palacios-Rios, 1992, but not verified and doubtful, probably Polypodium rosei). Mor (Pérez García 794, UAMIZ, cited by Riba et al., 1996, but specimen is Polypodium rosei).A
Distribución
México (país) EndémicoA
Elevación
130 – 1500 mA
Tipo de vegetación
Selva alta, Bosque de neblina/mesófiloA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
(In relation to the synonym Polypodium pyrrholepis) Within the P. squamatum complex (de la Sota, 1966), P. pyrrholepis is distinct by its short pinnae with rounded apices, and strongly reflexed, reddish brown rhizome scales.A