|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, glabrous to hairy
Stem generally branched
Leaves alternate, deeply pinnately lobed to 12-compound; stipules 0
Inflorescence: flowers solitary in axils, peduncled
Flower generally bisexual, radial; sepals 35, free; petals 35, free, white to pink or yellow; stamens 3, 8, or 10, free, generally in 2 whorls; nectary glands at bases of outer stamens; pistils 25, ± free, 1-ovuled, styles fused except sometimes at tip
Fruit: nutlets 15, ovoid to spheric, generally tubercled
Genera in family: 2 genera, 10 species: temp North America
Chromosomes: 2n=10 for all species
Annual, decumbent to erect
Leaf generally 1-odd-pinnately lobed or compound; lobes or leaflets entire to deeply lobed
Flower: sepals 45; petals 45, generally > sepals, tips toothed or jagged; stamens 8 or 10; pistils 45
Fruit: nutlets 15, smooth or tubercled
Species in genus: 9 species: ± coastal w North America
Etymology: (Greek: marsh flower, from habitat)
Reference: [Mason 1952 Univ Calif Publs Bot 25:455512]
Sect. Inflexae merits critical review. Fls spring.
Stem < 50 cm
Leaf < 25 cm; leaflets 513, < 3 cm, entire or often toothed or lobed
Flower cup- to bell-shaped; sepals 515 mm; petals 1018 mm, white, yellow, or yellow with white tips, veins often purple, pink, or cream; stamens 58 mm, anthers 12 mm; style 57 mm
Fruit: nutlets, 2.55 mm, obovoid, smooth, tubercled at least at tip, wrinkled or not
Ecology: Wet meadows, edges of vernal pools, ephemeral streams
Elevation: < 1000 m.
Bioregional distribution: North Coast, North Coast Ranges, Cascade Range Foothills, c Sierra Nevada Foothills, Great Central Valley, Central Coast, San Francisco Bay Area, South Coast Ranges
Distribution outside California: sw Oregon
See the CNPS Inventory for information about endangerment and rarity.
Leaf: leaflets ovate, irregularly toothed or lobed
Flower: petals yellow
Ecology: Wet meadows of coastal prairie
Elevation: < 100 m.
Bioregional distribution: North Coast (Marin Co.), Central Coast (San Mateo Co.)
Horticultural information: In cultivation.