Asplenium pteropus Kaulf.
Descripción
Roots fibrous, not proliferous; rhizomes erect; rhizome scales brown to blackish, clathrate, tips twisted and long-attenuate, 6–9 X 0.3–0.5 mm, entire; fronds pendent, clumped, 25–45(–60) cm long; stipes stramineous, green or gray-green, 2–8 cm X 1 mm, ca. 1⁄6–1⁄4 of frond length, glabrous, with green wings 0.5–1 mm wide; blades thin-chartaceous, 1-pinnate with pinnatifid apices, 20–40 X 5–8 cm; rachises stramineous, dull, glabrous, with green wings 0.5–1 mm wide; pinnae oblong, inequilateral, subfalcate, ca. 25–40 pairs, 3–4 X 0.7–1 cm, basiscopic bases excavate, subauriculate acroscopically, not overlapping rachises, pinna apices acuminate, margins serrate with rounded teeth, sinuses 1–2 mm deep; veins mostly simple except for basal acroscopic veins, readily visible on both sides, tips expanded adaxially; indument abaxially absent; sori (4–)9–11 pairs per pinna on both sides of midveins, none on basal, forked veins; indusia 1.5–3 X 0.3–0.6 mm, margins entire; spores reniform; 2n=72 (Oax).A
Forma de vida
Epipétrica, EpífitaA
Ejemplar revisado
Chis (Breedlove 32180, DS, MEXU, 58438, CAS, ENCB, NY; Cabrera 1819, MEXU, MO). Oax (Mickel 1023, 1369A, NY, 5659, ENCB, NY, UC). Pue (Ramírez R. 26, XAL). Ver (Ortega O. et al. 1142, ENCB, MEXU, XAL; Vásquez B. & Avendano 1574, XAL; Ventura A. 11613, MEXU, XAL).A
Elevación
1000 – 1600 mA
Ecología y Hábitat
In wet forests and rarely on wet rocks.A
Tipo de vegetación
Bosque de neblina/mesófilo, Selva altaA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
This species is closely related to the previous one, A. pseuderectum, and also resembles A. miradorense and A. harpeodes. Asplenium pteropus differs from these by having stipes alate to their bases. It is nearly always epiphytic, or rarely epipetric on mossy rocks, whereas A. miradorense is nearly always terrestrial. A revision of this group (having 1-pinnate proximally reduced blades, winged rachises, and toothed pinnae) is greatly needed. Several specimens identified as this species by Mickel and Beitel (1988) are A. miradorense, e.g., Hernández G. 1323, 1540 (NY).A