|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.
Perennial from woody taproot
Stems 1many, decumbent to erect, generally red-tinged
Leaves alternate, simple, glabrous to tomentose or glandular; basal petioled; cauline generally clasping, reduced
Inflorescence: heads generally radiate, 1many; involucre hemispheric to bell-shaped; phyllaries in 26 ± graduated series, herbaceous
Ray flowers 1080; corollas 235 mm, yellow
Disk flowers 20100+; corollas 515 mm, cylindric to funnel-shaped, yellow
Fruit 34-angled, generally hairy; pappus bristles 1560, generally rigid, unequal
Species in genus: ± 10 species: w North America
Etymology: (Greek: reddish pappus)
Reference: [Mayes 1976 PhD Univ TX]
Formerly included in Haplopappus.
Stems 738 cm
Leaves ± tomentose or woolly; basal 312 cm, (ob)lanceolate, sharply dentate to cut; cauline few, clasping, reduced
Inflorescence: heads 1(4), in raceme-like cluster; involucre 613 mm, 1120 mm diam, hemispheric; phyllaries barely or not overlapping in ± 2 series, 612 mm, ± linear, herbaceous, generally tomentose to woolly
Ray flowers 2545; ligules 711 mm
Disk flowers 3560; corollas 58 mm
Fruit ± 34 mm, 34-angled, silky; pappus ± 58 mm, tan
Ecology: Alkaline soils of mtn meadows, open forest, near hot springs
Elevation: 14002900 m.
Bioregional distribution: San Bernardino Mountains, Great Basin Floristic Province
Distribution outside California: to Oregon, Idaho, Montana, Wyoming, Colorado
Synonyms: Haplopappus u. (Hook.) Torr. & A. Gray
Herbage woolly-tuftedSee the CNPS Inventory for information about endangerment and rarity.
Inflorescence: involucre 1013 cm; phyllaries unequal
Ecology: Habitats of sp.
Elevation: 16002300 m.
Bioregional distribution: San Bernardino Mountains (near Baldwin Lake)
Synonyms: H. u. subsp. g. (Greene) H.M. Hall