Cheilanthes cucullans Fée
Descripción
Rhizomes long-creeping, horizontal, 2 mm diam.; rhizome scales linear-lanceolate, ca. 2 mm long, concolorous orange-tan, often blackish at base or with age, margins often with cilia, 0.1–0.3 mm long; fronds 14–35 cm long, distant; stipes 1⁄3–1⁄2 the frond length, castaneous to black, lustrous, terete, with filiform orangetan scales 2 cells wide; blades oblong-lanceolate, bipinnatepinnatifid to tripinnate, chartaceous, pinnule lobes obcuneate on both acroscopic and basiscopic sides of pinnules; rachises and costae with dense appressed filiform scales 1–2 mm long, 2 cells wide; adaxial surfaces dark green, glabrous; abaxial surfaces with scattered to dense, 0.3–0.5 mm long, whitish, catenate hairs and sparse orange-tan, filiform scales 0.5–1 mm long; laminar margins recurved, especially at segment tips, slightly modified into 0.5 mm wide entire false indusia; spores tan.A
Forma de vida
Rupícola.B
Ejemplar revisado
Ags (McVaugh & Koelz 124, MICH). Chih (Knobloch 5933, US). Chis (Breedlove 14501, DS). Coah (Johnston et al. 11506B, LL, TEX). DF (Orcutt 4330, NY). Gro (Rose 9396, NY). Gto (Rzedowski 40582, ENCB). Hgo (Sánchez Mejorada 682, MEXU). Jal (McVaugh 17424, NY). Méx (Rzedowski 18719, NY). Mich (McVaugh 18156, NY). Mor (Lyonnet 2675, CAS). NL (Rodríguez L. 147, ANSM). Oax (Camp 2488, NY). Pue (Purpus 3151, NY). Ver (Murrill & Murrill 40, NY).
Unverified, Doubtful, or Mistaken Reports. Qro (Piña 92, ENCB, cited by Díaz-Barriga & Palacios-Rios, 1992, but not verified).
A
Unverified, Doubtful, or Mistaken Reports. Qro (Piña 92, ENCB, cited by Díaz-Barriga & Palacios-Rios, 1992, but not verified).
A
Elevación
1050 – 2350 mA
Ecología y Hábitat
Dry to moist rocky slopes, often near streams.A
Tipo de vegetación
Bosque de encino, Bosque de pino-encino, Selva baja, Matorral espinoso, Bosque de neblina/mesófiloB
Categoría IUCN
No incluidaC
Categoría NOM-059-SEMARNAT-2010
No incluidaD
Discusión taxonómica
Cheilanthes cucullans resembles C. microphylla but has abundant hair-like scales on rachises and costae, long-creeping rhizomes, and long-ciliate rhizome scales. See key for comparison with C. notholaenoides, which also has dense hairs on its rachises.A