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.
Annual 210 cm, generally loosely woolly
Leaves alternate (or lowest opposite), simple
Inflorescence: heads solitary, radiate; involucre subcylindric; phyllaries in 1 series, spreading in fruit, oblanceolate, acute, alternate phyllaries scarious-margined; receptacle convex, naked
Ray flowers 1 per phyllary; ligules 3-lobed, yellow (or white and red-veined)
Disk flowers narrowly funnel-shaped, yellow, glabrous; stamen tips narrowly triangular
Fruit narrowly obconic; pappus 0, or of many bristles fused at base
Species in genus: 2 species: sw US
Etymology: (Greek: fused bristly pappus)
Reference: [Johnson 1991 Novon 1:119124]
Horticultural information: TRY.
Native |
Plant ± erect, sometimes becoming glabrous
Leaves 38 mm, linear; tips obtuse
Inflorescence: peduncles 315 mm, reddish; involucre 45 mm; phyllaries 58
Ray flowers: ligules 23 mm, white above, pinkish purplish below, red-veined
Fruit 22.5 mm, (sub)glabrous; pappus 0 or of < 30 bristles, ± 1 mm
Chromosomes: 2n=14
Ecology: UNCOMMON. Open, sandy to gravelly areas
Elevation: 9001500 m.
Bioregional distribution: Inner South Coast Ranges (Monterey Co.), e Western Transverse Ranges, San Gabriel Mountains, San Bernardino Mountains, San Jacinto Mountains.