Jepson Flora Project: Jepson Interchange    

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

LIMNANTHACEAE

MEADOWFOAM FAMILY

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

LIMNANTHES

MEADOWFOAM

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

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

Native

subsp. sulphurea (C.T. Mason) C.T. Mason

POINT REYES MEADOWFOAM


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.
See the CNPS Inventory for information about endangerment and rarity.
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bioregional map for LIMNANTHES%20douglasii%20subsp.%20sulphurea being generated
 


Retrieve Jepson Interchange Index to Plant Names entry for Limnanthes douglasii subsp. sulphurea
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