Cheilanthes newberryi Domin
Descripción
Rhizomes short-creeping, horizontal, 1–2 mm diam.; rhizome scales linear-lanceolate, concolorous dark brown to black, lustrous, ca. 3 mm long, with paler, ephemeral, kinky hair-tips; fronds to 30 cm long, approximate; stipes ca. 1⁄2 the frond length, castaneous to dark brown, terete, with abundant, lax, tangled, tan hairs; blades lanceolate to oblanceolate, bipinnate-pinnatifid to tripinnate, 1.5–5 cm wide; pinnae 8–17 pairs, equilateral to slightly inequilateral, narrowly deltate, proximal basiscopic and acroscopic pinnules often slightly enlarged (though occasionally smaller than adjacent pinnules); segments oblong to lanceolate, not bead-like, largest 3–5 mm long; adaxial surfaces tomentose; abaxial surfaces woolly with very fine hairs; laminar margins slightly curved but not differentiated, sori concentrated on apical and lateral lobes; sporangia 64- or 32-spored; spores dark brown to black; 2n=60 (USA).A
Ejemplar revisado
BCN (Eastwood 12390, CAS, UC; Moran 21668, MEXU, 26503, NY, US; Raven et al. 12288, UC; Wiggins 4242, ARIZ, MICH, NY). Guad (Anthony 255, NY; Franceschi 40, UC; Newcombe 183, UC, US; Palmer 855, NY; Rose 16416, NY).A
Elevación
50 – 650 mA
Ecología y Hábitat
Rocky cliffs and slopes; usually on igneous substrates.A
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
Cheilanthes newberryi is distinct by the dense mat of fine hairs and concolorous dark rhizome scales on the short-creeping rhizomes.A