Cheilanthes wootonii Maxon
Descripción
Rhizomes long-creeping, horizontal, 1–3 mm diam.; rhizome scales ovate-lanceolate, concolorous brown or dark brown to weakly bicolorous, ca. 2 mm long, lustrous, entire, loosely appressed and deciduous with age; fronds to 35 cm long, distant; stipes ca. 1⁄2 the frond length, dark reddish brown, terete, with abundant, loosely imbricate, linear, tan to whitish, spreading scales to 3 mm long; blades oblong-lanceolate, 3–4-pinnate, 2–5 cm wide; pinnae 10–18 pairs, equilateral; costal scales abaxially lanceolate-ovate, truncate to subcordate at base without overlapping lobes, strongly imbricate, often covering the segments, ciliate with coarse cilia confined to basal half; ultimate segments bead-like, mostly less than 1 mm; adaxial surfaces glabrous; abaxial surfaces glabrous or with a few small scales at base; laminar margins recurved, weakly differentiated, entire; sporangia 32-spored; spores dark brown; n=2n=90, apogamous (USA), 2n=116 (Tex).A
Ejemplar revisado
BCN (Orcutt s.n., 10 Apr 1886, UC; Wiggins 13044, DS; Moran 14204, ASC; 19171, ARIZ, 20448, SD; Moran & Thorne 14371, ENCB). Chih (Knobloch 793, US). Son (Druery s.n., “about 1895,” US; Harvey 1696, LL; Wiggins 11692, TEX, US).
Unverified, Doubtful, or Mistaken Reports. Ags (reported by de la Cerda Lemus & Siqueiros Delgado, 1985, but not verified).
A
Unverified, Doubtful, or Mistaken Reports. Ags (reported by de la Cerda Lemus & Siqueiros Delgado, 1985, but not verified).
A
Elevación
1400 – 2650 mA
Ecología y Hábitat
Among rocks, rock crevices, granite boulders.A
Tipo de vegetación
Bosque de encino, Bosque de pino-encino, Bosque de pinoA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
Cheilanthes wootonii closely resembles C. yavapensis, which see for discussion.A