Leaves 10–60(–75) cm, very short leaves sometimes fertile. Pinnae (2–)5–12 pairs, ovate to lanceolate, usually falcate, 2–9 cm, base obliquely cuneate to nearly cordate, apex usually attenuate; acroscopic lobe usually present, prominent (at least some present on every leaf); pinnae rarely irregularly incised. Indusia membranous, flat or concave centrally, not umbonate, shriveled at maturity. 2n = 164.
Habitat: Soil pockets in sheltered rock crevices of canyons and ravines
Elevation: 600–2100 m.
Ariz., N.Mex., Tex., n Mexico.