| TREATMENT FROM THE JEPSON MANUAL (1993) |
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Jepson Interchange (more information) |
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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, glabrous to hairy
Stem generally branched
Leaves alternate, deeply pinnately lobed to 1–2-compound; stipules 0
Inflorescence: flowers solitary in axils, peduncled
Flower generally bisexual, radial; sepals 3–5, free; petals 3–5, free, white to pink or yellow; stamens 3, 8, or 10, free, generally in 2 whorls; nectary glands at bases of outer stamens; pistils 2–5, ± free, 1-ovuled, styles fused except sometimes at tip
Fruit: nutlets 1–5, 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 4–5; petals 4–5, generally > sepals, tips toothed or jagged; stamens 8 or 10; pistils 4–5
Fruit: nutlets 1–5, 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 25:455–512]
Sect. Inflexae merits critical review. Fls spring.
| Native |
Stem < 25 cm
Leaf < 8 cm; leaflets 4–10, < 1 cm, linear to ovate, entire, toothed, or lobed
Flower urn-, cup-, or bell-shaped; sepals 4–10 mm; petals 4.5–10 mm, < to ± > sepals, white; stamens 2.5–8.5 mm, anthers 0.4–1.5 mm; style 1.5–4 mm
Fruit: nutlets, 1–5, 3–4.5 mm, obovoid, tubercles < 1 mm or 0
Ecology: UNCOMMON. Moist meadows, vernal pools
Elevation: 10–400 m.
Bioregional distribution: Klamath Ranges, Inner North Coast Ranges (near Kelseyville, Lake Co.), Cascade Range, Sacramento Valley.In CA nutlets fall together, with calyx.
| Native |
Flower cup-shaped; sepals 7.5–10 mm; petals 8–10 mm; filaments 3–7 mm, anthers ± 1–1.5 mm, dehiscing outward; style 3.5–4 mm
Fruit: nutlets, 3–5, papillate, generally with wide-conic tubercles
Ecology: Vernal pool edges
Elevation: < 100 m.
Bioregional distribution: Sacramento Valley (Butte Co.).