Cheilanthes parryi Domin
Descripción
Rhizomes compact, horizontal to ascending, 2–3 mm diam.; rhizome scales linear to linear-lanceolate, bicolorous with black center and orange-brown margins, some concolorous orangebrown at rhizome apices, 3–4 mm long; fronds to 18 cm long, clumped; stipes 1⁄3–1⁄2 the frond length, dark castaneous to black, lustrous, terete, with white ± patent hairs 1 mm long; blades narrowly lanceolate, tripinnate to tripinnate-pinnatifid; pinnae 5–8 pairs, deltate; adaxial surfaces tomentose; abaxial surfaces woolly, the hairs obscuring the laminar surfaces; laminar margins not curved or differentiated as false indusia, sori continuous on segment margins; sporangia 64-spored; spores black; 2n=60 (USA).A
Ejemplar revisado
BCN (Cota 599, US, 2374, DH; Moran 19245, ASC; Orcutt 286983, SD; Shreve 6857, MICH, US; Thorne 57804, UC; Wiggins 7610, DS, US). Son (Felger 85-727, ARIZ, SD; Felger 16896, 18680, ARIZ).A
Elevación
230 – 600 mA
Ecología y Hábitat
Rock crevices, dry rocky granite or calcite slopes.A
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
Cheilanthes parryi is characterized by abundant hairs on both laminar surfaces, tangled and long, surpassing the segments, and thus appearing like a cotton ball.A