|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 or perennial herb, glabrous, ± fleshy, sometimes ± aquatic, sometimes matted
Leaves: cauline > 2, alternate or opposite, entire
Inflorescence: raceme, 1-sided; lowest flower generally bracted; pedicels recurved, erect in fruit
Flower: petals (3)5, equal or 2 larger; stamens (3)5, filaments fused to corolla-base; ovary chamber 1, placentas basal, style 1, stigmas 3
Fruit: capsule; valves 3, margins rolling inward and forcibly expelling seeds
Seeds 13, generally black, smooth to tubercled, fleshy-appendaged or not
Species in genus: 12 species: Am, Siberia, Australia
Etymology: (Giuseppe Monti, Italian botanist, 16821760)
Reference: [McNeill 1975 Can J Bot 53:789809]
Sometimes divided into 9 genera.
Annual 19 cm, matted, rooting from lower nodesSee the CNPS Inventory for information about endangerment and rarity.
Leaves alternate 525 mm, linear or ± oblanceolate
Inflorescences fewmany, lateral, sessile; base bracted opposite leaf; flowers 26
Flowers generally cleistogamous; sepals 0.81.5 mm, widely ovate, obtuse; petals 00.7 mm, ± unequal, white; stamens 3
Fruit 0.91.2 mm
Seed: 0.70.9 mm, smooth; appendage minute, not protruding
Ecology: Uncommon. Vernally wet sites, often on compacted soil
Elevation: < 400 m.
Bioregional distribution: Northwestern California
Distribution outside California: to British Columbia
Sometimes mistaken for M. fontana or M. dichotoma. Self-pollinated.