TREATMENT FROM THE JEPSON MANUAL (1993) |
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©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora. |
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Perennial, in soil or rock crevices; rhizome generally short-creeping, suberect, or erect, scales large, generally tan to brown, generally 1-colored
Leaves generally tufted, 5200+ cm, generally ± alike; petiole generally firm, base generally darker, with 2many vascular strands; blade 14-pinnate, often with scales, hair-like scales, hairs (except clear, needle-like hairs generally 0), or short-stalked glands on axes, sometimes between veins, veins free to netted; 1° and 2° axes generally grooved on upper side
Sporangia: sori round, less often oblong or J-shaped, along or at tips of veins; indusia peltate, round-reniform, oblong to linear, J-shaped, hood-like, or cup-like, rarely 0; spores elliptic, winged, ridged, or spiny, scar linear
Genera in family: ± 60 genera, > 1000 species: worldwide, especially tropical, wooded areas. Woodsia sometimes in Woodsiaceae; Athyrium, Cystopteris sometimes in Athyriaceae.
Rhizome short-creeping to suberect, stout
Leaf: petiole stout, fleshy, easily crushed, straw-colored except base generally blackened, base scaly, in X -section with 2 crescent-shaped vascular strands; blade generally 2-pinnate or more, ± glabrous, veins free
Sporangia: sori ± round, ± oblong, or J-shaped; indusium oblong or J-shaped, laterally attached, or 0
Species in genus: ± 100 species: generally n temp, especially e Asia
Etymology: (Greek: doorless, from enclosed sori)