TREATMENT FROM THE JEPSON MANUAL (1993) |
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©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora. |
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY |
Annual or perennial herb, generally fleshy
Stems generally glabrous
Leaves simple, alternate or opposite, sometimes stipuled
Inflorescence various
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.
Native |
Annual 19 cm, matted, rooting from lower nodes
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.