Bommeria hispida Underw.
Descripción
Rhizomes long-creeping; rhizome scales linear-lanceolate, orange-tan, 1.5–2 mm; fronds (2–)7–10(–40) mm apart; stipes 4–20 cm long, 3⁄4–4⁄5 the frond length, light grayish brown, terete to flattened adaxially, scaly and hairy at bases, mostly sparsely hairy, densely so near blade bases; blades 2–6 X 2.5–8 cm, pentagonal, pedately divided, bipinnatifid, the basal pinna pair deeply pinnatifid with greatly exaggerated basiscopic pinnatifid pinnules, the distal pinnae pinnatifid, rachises dilated laterally between the pinnules, or some forming entire rounded foliaceous lobes between pinnae; blade surfaces densely hispid adaxially, with stiff, unicellular, acicular hairs 1 mm long, the abaxial surfaces bearing similar (but mostly curled) hairs in addition to tan lanceolate scales 0.2–0.5 mm wide on the rachises and midveins; sori along the distal half of veins, the pinnule margins often slightly incurved; veins free, obscure; spores tan, 64 per sporangium; 2n=60 (Jal, USA).A
Forma de vida
TerrestreA
Elevación
1500 – 2300(– 3000) mA
Ecología y Hábitat
On shady rock bases, eroded volcanic rocks, base of sandstone cliffs.A
Tipo de vegetación
Bosque de encino, Bosque de pino-encino, Matorral de otro tipoA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
Ags (McVaugh 18309, MICH, NY). BCS (Carter et al. 2035, DS, K, UC, US). Chih (Correll & Johnston 21596, TEX, US). Coah (Wynd & Mueller 575, K, NY, US). DF (Schaffner 32, NY, US). Dgo (Pringle 10151, NY, UC, US). Hgo (Hitchcock & Stanford 7250, US). Jal (Pringle 4420, BM, BR, K, MEXU, UC, US). Méx (Hinton 1431, GH). Mich (King & Soderstrom 4699, NY). SLP (Parry & Palmer 1006, F, GH, MO, NY p.p., US). Son (Wiggins 7403, DS, US). Zac (McVaugh 17756, IEB, NY).A
This species is distinct by its small size, long acicular hairs, and free veins.A