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, from stolon, rhizome, tuber, or taproot, glabrous, ± fleshy
Leaves entire; basal 0many, rosetted; cauline generally 2, generally opposite, free to fully fused into ± 2-toothed disk or cup surrounding stem
Inflorescence: raceme, terminal, 1-sided; pedicels reflexed, becoming erect in fruit
Flower: petals 5, pink or white; stamens 5, epipetalous; ovary chamber 1, placentas basal, style 1, stigmas 3
Fruit: capsule; valves 3, margins rolling inward and forcibly expelling seeds
Seeds 36, generally black, generally clearly appendaged
Species in genus: 28 species: North America, e Asia
Etymology: (John Clayton, colonial Am botanist, born 1686)
Reference: [Miller 1978 Syst Bot 3:322341; Miller & Chambers 1993 Novon 3:268273]
Some species formerly placed in Montia.
Native |
Annual
Stem 130 cm, spreading to erect
Leaves: basal 118 cm, linear to narrowly oblanceolate, blade 17 cm, > 3 X longer than wide, gradually tapered to petiole, obtuse to acute; cauline free (< 6 cm, linear) or disk-like (< 5 cm diam, round or squarish)
Inflorescence stalked or sessile, dense or open, 1-bracted at base; flowers 340
Flower: sepals 1.54 mm; petals 26 mm, white or pinkish
Fruit 1.54 mm
Seeds 1.22.3 mm, ovate to round, shiny, smooth
Ecology: Vernally moist, often disturbed places in sun or shade
Elevation: < 2300 m.
Bioregional distribution: California Floristic Province, East of Sierra Nevada, Mojave Desert
Distribution outside California: to British Columbia, Montana, n Mexico
Native |
Leaves: cauline pair fused, disk-like
Inflorescence stalked, open
Flower: sepals 1.52.5 mm; petals 46 mm; stamens maturing well before stigmas
Seed 1.21.5 mm
Chromosomes: 2n=12
Ecology: Habitats of sp.
Elevation: 1501200 m.
Bioregional distribution: Sierra Nevada Foothills, Tehachapi Mountain Area.Cross-pollinating.