|Jepson Flora Project: Jepson Interchange|
|TREATMENT FROM THE JEPSON MANUAL (1993)||
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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
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.
Annual, ± woolly
Leaves alternate, entire to pinnately lobed
Inflorescence: heads solitary, radiate; involucre bell-shaped or hemispheric; phyllaries in 1 series, equal, fused at base, margins sometimes translucent; receptacle conic or hemispheric, naked
Ray flowers 1 per phyllary; ligules 510 mm, ± ovate, yellow, tip entire or slightly toothed
Disk flowers yellow; bases long-hairy
Fruit oblanceolate, 34-angled, ± compressed front-to-back; pappus 0
Species in genus: 3 species: CA
Etymology: (Greek: false Bahia )
Reference: [Johnson 1991 Novon 1:119124]
Plants 27 dmSee the CNPS Inventory for information about endangerment and rarity.
Leaves 26 cm, triangular-ovate, generally 2-pinnately lobed; segments 15 mm wide
Inflorescence: peduncles 28 cm; involucre 69 mm; phyllaries ± 8, oblanceolate, fused at base; receptacle rounded-conic
Disk flowers ± 3 mm; lobes sparsely glandular
Fruit ± 3 mm
Ecology: Grassland, bare dark clay
Elevation: 100800 m.
Bioregional distribution: s Sierra Nevada Foothills (Kern Co.), se San Joaquin Valley (Fresno, Tulare cos.).Some ray flower tips reflect ultraviolet light. Threatened by agriculture, flood control.