|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 or perennial herb, generally fleshy
Stems generally glabrous
Leaves simple, alternate or opposite, sometimes stipuled
Flower bisexual, radial; sepals generally 2(8), free or fused at base; petals 318, free or ± fused; stamens 1many, free or inserted on corolla; ovary superior or partly inferior, chamber 1, placenta free-central or basal; styles 28, generally fused at base
Fruit: capsule, circumscissile or 23-valved
Seeds 1many, generally black, generally shiny
Genera in family: ± 20 genera, ± 400 species: generally temp Am, Australia, s Africa; some cultivated (Lewisia, Portulaca, Calandrinia )
Reference: [Bogle 1969 J Arnold Arbor 50:566598]
Family description and key to genera by Dieter H. Wilken & Walter A. Kelley.
Perennial, generally from short, thick, ± branched taproot, topped by short, sometimes very thick caudex at or below ground level, sometimes from spheric corm
Stem: aerial parts restricted to inflorescence
Leaves generally in basal rosette, simple, entire or not; base wide; margin generally ± translucent
Inflorescence ± scapose; stems 1many, generally leafless but bracted, sometimes disjointing in age, 1many-flowered
Flower: sepals 28, free, persistent; petals 418, variously colored, overlapping in bud; stamens 5many; styles 28, fused at base, stigmas 28, thread-like
Fruit: capsule, translucent, spheric or ovoid, circumscissile near base
Seeds 2many, dark, generally shiny, smooth or finely tuberculate
Species in genus: ± 20 species: w North America
Etymology: (Captain Meriwether Lewis, 17741809, of Lewis & Clark Expedition)
Reference: [Elliott 1966 Bull Alpine Gard Soc 34]
Horticultural information: DRN, IRR: pots and rock gardens only; DRY when dormant; DFCLT.
Root + caudex slenderSee the CNPS Inventory for information about endangerment and rarity.
Leaves 515, in rosette, < 9 cm, oblanceolate to obovate, fleshy, entire or ± wavy, tapered to long petiole; tip obtuse
Inflorescence: stems 19, ± prostrate, 714 cm, each with a 311-flowered, ± umbel-like cluster; flowers generally exserted from leaves; bracts among flowers and several below, often paired, gland-toothed; pedicels > flowers, slender
Flower: sepals 2, 1/31/2 X corolla, widely ovate, margins red-gland-toothed; petals 710, 815 mm, oblanceolate-obovate, white at base, pink above, tips blunt, ± jagged; stamens 1012; stigmas 34
Ecology: Open, gravelly places
Elevation: 16001950 m.
Bioregional distribution: High North Coast Ranges (se Trinity, ne Mendocino cos.).