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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Annual to tree
Leaves basal or cauline, alternate to whorled, simple to compound
Inflorescence: 1° inflorescence a head, each resembling a flower, 1many, generally arrayed in cymes, generally subtended by ± calyx-like involucre; flowers 1many per head
Flowers bisexual, unisexual, or sterile, ± small, of several types; calyx 0 or modified into pappus of bristles, scales, or awns, which is generally persistent in fruit; corolla radial or bilateral (rarely 0), lobes generally (0)45; stamens 45, anthers generally fused into cylinder around style, often appendaged at tips, bases, or both, filaments generally free, generally attached to corolla near throat; pistil 1, ovary inferior, 1-chambered, 1-seeded, style 1, branches 2, generally hair-tufted at tip, stigmas 2, generally on inside of style branches
Fruit: achene, cylindric to ovoid, generally deciduous with pappus attached
Genera in family: ± 1300 genera, 21,000 species (largest family of dicots): worldwide. Largest family in CA. Also see tribal key to CA genera: Strother 1997 Madroño 44(1):128. See glossary p. 25 for illustrations of general family characteristics.
Perennial from taproot; sap milky
Stems naked, hollow
Leaves all basal, toothed or lobed; lobes acute
Inflorescence: heads ligulate, solitary, scapose; phyllaries many, outer ovate to lanceolate, generally reflexed, inner erect, linear; receptacle convex, naked
Flowers many; ligules yellow, readily withering
Fruit fusiform; ribs rough; beak slender, >> body; pappus of many, white, slender bristles, not plumose. Many named species, mostly reproducing clonally by asexual seeds: Eurasia, CA
Etymology: (Greek: ancient name)
Reference: [Taylor 1987 Bull Torrey Bot Club 114:109120]
Native |
Leaves toothed or shallowly lobed, oblanceolate
Inflorescence: heads 2.23 cm diam; outer phyllaries erect, 57 mm; inner phyllaries rounded to truncate
Fruit pale brown; body tubercled near tip
Ecology: Moist meadows
Elevation: 19502400 m.
Bioregional distribution: San Bernardino Mountains.