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.
Perennial or shrub, generally resinous
Stems < 2.5 m, leafy
Leaves generally sessile or short-petioled
Inflorescence: heads radiate or discoid; involucres obconic to bell-shaped; phyllaries in several overlapping series, linear to oblanceolate, generally recurved
Ray flowers 025; corollas < 9 mm, yellow
Disk flowers 460; corollas 410 mm, gradually flared from middle
Fruit 110 mm, 45-angled; pappus of 2060 bristles, 2.512 mm, white to reddish brown
Species in genus: 13 species: w North America
Etymology: (Barclay Hazard, 19th Century CA botanist)
Reference: [Clark 1979 Madroño 26:105127]
Native |
Shrub 323 dm, glabrous to sparsely hairy, often ± resinous
Leaves 1.55 cm, leathery or stiffly papery, oblong to obovate, obtuse, toothed
Inflorescence: heads discoid; involucre 710 mm wide, obconic; phyllaries 3060, 310 mm, oblong to lanceolate
Disk flowers 930; corollas 911 mm, tinged red
Fruit 58 mm, 5-angled, glabrous; pappus 712 mm, white to reddish brown
Chromosomes: 2n=10
Ecology: scrub
Elevation: < 1300 m.
Bioregional distribution: s San Joaquin Valley, Outer South Coast Ranges, Southwestern California
Distribution outside California: n Baja California
Synonyms: Haplopappus s. Hook. & Arn
Native |
Plant ± glabrous (except sometimes stems), resinous
Inflorescence: involucre 1115 mm; phyllaries recurved, glandular, obtuse to acute
Flowers 1830; corollas 1011 mm
Fruit: pappus tan
Ecology: Foothills, coastal mtns
Elevation: < 700 m.
Bioregional distribution: Outer South Coast Ranges
Synonyms: Haplopappus s. Hook. & Arn. subsp. s
Horticultural information: DRY, DRN, SUN: 7, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24.