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| Jepson eFlora: Taxon page
Key to families | Table of families and genera |
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Indexes to all accepted names and synonyms: | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | |
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Perennial, in soil or on or among rocks; rhizome creeping to erect, scaly.
Leaf: generally all ± alike (or of 2 kinds, fertile, sterile), generally < 50 cm, often < 25 cm; stipe generally thin, wiry, often dark, ×-section with vascular strands generally 1–3, less often many in circle; blade generally pinnate or ± palmate-pinnate (see Adiantum), often >= 2- compound, abaxially often with glands, ± powdery exudate, hairs, or scales; segments round, oblong, fan-shaped, or other, veins generally free.
Sporangia: in sori or not, marginal, submarginal, or along veins, covered by recurved, often modified segment margins (false indusia) or not; true indusia 0; spores spheric, sides flat or not, scar with 3 radiating branches.
± 40 genera, 500 species: worldwide, especially dry areas. [Windham 1993 FNANM 2:122–186] Definition of Cheilanthes, related genera problematic; traditional limits often untenable. —Scientific Editors: Alan R. Smith, Thomas J. Rosatti.
Plant in soil or rock crevices; rhizome short-creeping, scales variously colored.Key to Adiantum
Leaf: < ± 1 m; stipe cylindric, generally dark red-brown to ± black, shiny, ± scaly at base; blade 2–3- pinnate or ± palmate-pinnate (1st division ± palmate, subsequent ones pinnate), pinnae stalked, fan-shaped or oblong, generally lobed, toothed, or both; axes, blades lacking colored exudate.
Sporangia: borne along veins on and covered by highly modified, recurved part of segment margin, appearing to run together at maturity; false indusia ± semicircular to linear; spores generally smooth, tan.
± 200 species: tropics, temperate. (Greek: unwettable) Widely cultivated.
Leaf: generally (7)20–40(50+) cm; stipe dark brown to ± black; blade 2–3- pinnate; pinnules cut or lobed often > 1/4 way to base, often with < 4 ± irregular lobes, margins at base converging at 45–90°, stipe color often extending gradually into base, midvein often part way along 1 margin.
Sporangia: sori (and false indusia) (2)3–11 per pinnule, generally < 5 mm.
2n=60. Uncommon (or locally common). Shaded, rocky or moist banks, exposed sites or not; < 2000 m. North Coast Ranges, Cascade Range Foothills, n Sierra Nevada Foothills, s High Sierra Nevada, San Joaquin Valley, Central Coast, Outer South Coast Ranges, Southwestern California (except South Coast), Great Basin Floristic Province, Desert;
Previous taxon: Adiantum aleuticum
Next taxon: Adiantum jordanii
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
Copyright © 2012 Regents of the University of California
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| Bioregions in which taxon occurs | Red area (if present) is the part of the bioregion lying between the upper and lower elevation limits of the taxon; markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may have georeferencing or identification issues. |
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Chart based on elevation range in Manual and elevations and coordinates of CCH records. Data provided by the participants of the Consortium of California Herbaria. Note: About half of the CCH records include both elevation and coordinates. | Map made in collaboration with Scott Loarie. Data provided by the participants of the Consortium of California Herbaria.
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