Jepson Flora Project: Jepson Interchange    

link to manual TREATMENT FROM THE JEPSON MANUAL (1993) previous taxon | next taxon
Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

  • Up-to-date information about California vascular plants is available from the Jepson eFlora.



Robert Ornduff

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.


L. douglasii R. Br.

Stem < 50 cm
Leaf < 25 cm; leaflets 5–13, < 3 cm, entire or often toothed or lobed
Flower cup- to bell-shaped; sepals 5–15 mm; petals 10–18 mm, white, yellow, or yellow with white tips, veins often purple, pink, or cream; stamens 5–8 mm, anthers 1–2 mm; style 5–7 mm
Fruit: nutlets, 2.5–5 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


subsp. nivea (C.T. Mason) C.T. Mason

Leaf: leaflets linear to ovate, entire to deep-lobed
Flower: petals white, drying pale yellow at base or not, veins white or purplish
Fruit: nutlets smooth or ± tubercled above
Ecology: Wet meadows, edges of vernal pools, ephemeral streams
Elevation: < 1000 m.
Bioregional distribution: North Coast Ranges, San Francisco Bay Area, South Coast Ranges
Horticultural information: winter WET or IRR, SUN: 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24.

previous taxon | next taxon
bioregional map for LIMNANTHES%20douglasii%20subsp.%20nivea being generated

Retrieve Jepson Interchange Index to Plant Names entry for Limnanthes douglasii subsp. nivea
Retrieve dichotomous key for Limnanthes
Overlay Consortium of California Herbaria specimen data by county on this map
Show other taxa with the same California distribution | Read about bioregions | Get lists of plants in a bioregion
Return to the Jepson Interchange main page
Return to treatment index page

University & Jepson Herbaria Home Page |
General Information | University Herbarium | Jepson Herbarium |
Visiting the Herbaria | On-line Resources | Research |
Education | Related Sites
Copyright © by the Regents of the University of California