Athyrium skinneri (Baker) Diels
Description
Rhizomes creeping, with apices protruding 2–4 cm beyond stipe bases, sparsely scaly; rhizome scales 3–4 X 0.3–0.5 mm, light brown to brown, linear-lanceolate to narrowly deltate, slightly twisted; fronds distant; stipes 9–22 cm long, 1⁄3–1⁄2 the frond length, pink to rarely stramineous, glabrous except for scattered scales (similar to rhizome scales) at bases, broadly grooved to somewhat flattened; rachises pink and flexuous, broadly grooved, very narrowly winged; blades pinnate-pinnatifid, 12–20 X 6–15 cm, ovate-lanceolate, free pinnae 4–10 pairs, stalked, apices pinnatifid, largest pinnae 3.5–9 X 1.5–2.5 cm, laminae membranaceous, abaxially glabrous or with rare hair-like scales on costae and pinna bases, adaxially glabrous with papillae 0.1 mm in pinna axils; pinna margins serrate, wings along adaxial costae and segment midribs absent or minute, not conspicuous and not continuous; sori mostly linear to hamate, some diplazioid or round; indusia deeply laciniate, 0.5–1(–2) X 0.5–0.8 mm, coarsely dentate.A
Forma de vida
TerrestreA
Specimen
Chis (Breedlove 37774, NY). Col (McVaugh 15823, US). Gro (Mexia 8859, B, NY, UC, US). Jal (McVaugh 19951, CAS, IEB, NY). Méx (Hinton 2649, NY, US). Mich (King & Soderstrom 4926, NY, UC). Nay (Feddema 816, MEXU; Téllez & Chiang 9712, MEXU). Oax (Mickel 5979, NY, UC). Sin (Salazar 689, US).A
Altitude
100 - 850(- 1050) mA
Habitat & Ecology
In moist woods on Pacific side, mostly low elevations.A
Tipo de vegetación
Selva alta, Selva medianaA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discussion
See A. palmense and A. tejeroi for comparison and discussion.A