Polypodium puberulum Schltdl. & Cham.
Descripción
Rhizomes creeping, 5–7 mm diam.; rhizome scales deltate, long-attenuate, 4–5 mm long, tan to dark lustrous brown, often sclerotic-centered, with abundant minute hairs on outer surfaces; fronds 30–60(–96) cm long, distant; stipes 1⁄4–1⁄2 the frond length, stramineous to light brown, with dense, small, white hairs 0.3–0.5 mm long; blades pinnate, 11–18 cm wide, basal pinnae reflexed, excavate basiscopically; pinnae linear-deltate, 1.2–2 cm wide, broadly adnate, often surcurrent, rarely any free rachis, acuminate, margins irregularly coarsely serrulate; adaxial laminar surfaces, margins and veins with abundant white hairs 0.3–0.5 mm long; abaxial surface hairs 0.3–0.8 mm long on rachises, costae, and laminar surfaces; veins free; sori round, medial; sporangia with setae 0.3–0.5 mm long; 2n=74 (Ver).A
Forma de vida
EpífitaA
Ejemplar revisado
Chis (Breedlove 9411, 33516, 34803, DS). Oax (Galeotti 6552, BR; Mickel 4309, 6599, NY). Pue (Riba et al. 281, NY). Ver (Ventura A. 358, NY).
Unverified, Doubtful, or Mistaken Reports. Qro (González P. 1133, IEB; Rubio 1134, IEB, both cited by Díaz-Barriga and Palacios-Rios, 1992, but not verified and doubtful).
A
Unverified, Doubtful, or Mistaken Reports. Qro (González P. 1133, IEB; Rubio 1134, IEB, both cited by Díaz-Barriga and Palacios-Rios, 1992, but not verified and doubtful).
A
Elevación
1600 – 2500 mA
Tipo de vegetación
Bosque de neblina/mesófiloA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
The free-veined Polypodiums are in need of more work. Polypodium puberulum resembles specimens of P. echinolepis but is distinct by its broadly adnate pinnae.A