|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.
Annual, perennial herb, ± fleshy, from taproot or fibrous roots, generally glabrous
Stems generally several, generally spreading to ascending
Leaves in basal rosette or basal and cauline, simple, oblanceolate to spoon-shaped
Inflorescence: raceme, panicle, or umbel, scapose, leafy, or bracted; flowers generally on 1 side of axis, deciduous or persistent in fruit; bracts generally < sepals, scarious
Flower: sepals 2, ovate to reniform, generally scarious or scarious-margined, persistent in fruit; petals 24, minute, < sepals, tips adherent and cap-like in fruit, falling as 1 unit; stamens 13; style 0 or 1, thread-like, stigmas generally 2
Fruit: capsule, generally translucent, 2-valved, generally compressed, oblong to ± round
Seeds 1many, black, generally shiny
Species in genus: 8 species: w Am
Etymology: (Greek: cap, from petals in fruit)
Reference: [Hinton 1975 Brittonia 27:197208; Thomas 1956 Leafl W Bot 8:911]
Observation of flower, seeds requires 20X magnification.
Annual, 27 cm; roots fibrousSee the CNPS Inventory for information about endangerment and rarity.
Stems spreading to ascending, leafy
Leaves: basal rosette 1; basal leaves 0.52 cm, cauline 0.21.5 cm
Inflorescence: panicle of head-like clusters, open, 14 cm, axillary, generally 2+ per rosette; bracts ovate to deltate; flowers subsessile, generally persistent in fruit
Flower: sepals 34 mm, ± round, clearly scarious; petals 4, ± 3 mm, rose; stamens 3, yellow; style < 1 mm, thread-like
Fruit 1.52.5 mm, widely elliptic to ± round
Ecology: Sandy soils, decomposed granite, oak woodland
Elevation: 4001100 m.
Bioregional distribution: c Sierra Nevada (s Mariposa, Madera, n Fresno cos.).