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. |
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY |
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.
Species in genus: 1 sp
Etymology: (Greek: bald chicory)
Native |
Perennial from ± woody caudex, glabrous; sap milky
Stems 1035 cm, scapose
Leaves basal, 620 cm, linear to oblanceolate, entire
Inflorescence: heads ligulate; involucre 712 mm, green, glabrous; phyllaries ± equal or outermost shorter, inner ± fused near base in fruit
Flowers 13many; corollas yellow, readily withering, ligules >> involucre
Fruit 3 mm, oblong, ± 4-angled, flat-topped, smooth, pale brown, dark-spotted; pappus 0 or a low crown
Chromosomes: 2n=18
Ecology: Wet meadows, sphagnum bogs
Elevation: 18002500 m.
Bioregional distribution: n&c High Sierra Nevada.Plants with crown-like pappus have been called var. coronata H.M. Hall.