| TREATMENT FROM THE JEPSON MANUAL (1993) |
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Jepson Interchange (more information) |
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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. |
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY |
Rhizome-scale cells with adjacent walls dark brown to blackish, external clear
Leaf: petiole in transverse section with 1 X-shaped or 2 back-to-back C-shaped vascular strands; segment veins generally free
Sporangia in linear to oblong sori along veins; indusia linear, opening away from veins; stalk cells in 1 row; spores elliptic, winged
Genera in family: ± 10 genera (limits disputed), 650 species (most in Asplenium): worldwide, especially tropical.
Plants in soil or on rocks; rhizome generally short-creeping to erect
Leaves often tufted, generally glabrous; 1° axis often ± winged; blade simple or 1–many-pinnate, rarely forked; 1° leaflets often asymmetric, upward side more developed
Sporangia in linear sori; indusia persistent, covering sori when young, later reflexed
Etymology: (Greek: spleen)
| Native |
Leaves 1-pinnate, many, clustered, 8–25 cm; petiole 1–3(5+) cm, 0.4–0.6 mm wide, narrowly winged, dark purple-brown, shiny; blade generally 0.5–1.5 cm wide, linear; 1° leaflets 20–30(37) pairs, 3–6(7) mm, 3 mm wide, oblong, generally shallowly crenate on upper, outer margins
Sporangia: sori generally 1–1.5 mm, generally 2–4 pairs per 1° leaflet
Chromosomes: 2n=72
Ecology: On rocks
Elevation: 200 m.
Bioregional distribution: nw Klamath Ranges (Del Norte Co.)
Distribution outside California: widespread in N.America, Europe, Asia, s temperate