Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

  • Up-to-date information about California vascular plants is available from the Jepson eFlora.


C. breweri S. Watson

Annual, ± glabrous
Stem prostrate to ascending
Leaf 2–8 cm, ± ovate to spoon-shaped, flat
Inflorescence: raceme, elongate; bracts leaf-like; pedicels 6–20 cm, generally curved in fruit
Flower: sepals 4–6 mm, glabrous to ± ciliate; petals generally 5, 3–5 mm, red; stamens 3–6
Fruit generally > calyx by 3 mm or more
Seeds 10–15, 1–2 mm wide, ± elliptic, at 10X shiny black, at 30X black, glabrous, finely tuberculate
Ecology: Uncommon. Sandy to loamy soil, disturbed places, burns
Elevation: < 1200 m.
Bioregional distribution: North Coast Ranges, c Sierra Nevada Foothills, San Francisco Bay Area, Outer South Coast Ranges, South Coast, Western Transverse Ranges
Distribution outside California: Baja California
Like C. ciliata.
Horticultural information: TRY.


M. diffusa (Nutt.) Greene

Annual 5–20 cm, erect, generally diffusely branched
Leaves basal and cauline, alternate; blade 8–50 mm, < or = petiole, lanceolate to deltate, tip acute to obtuse, base wedge-shaped to cordate
Inflorescences generally many, terminal; flowers 3–10
Flower: sepals 1.8–3.5 mm, widely obovate, obtuse to truncate; petals 3–4.5 mm, equal, pink or white; stamens 5
Fruit 2.3–3 mm
Seed 1.3–1.5 mm, generally ± smooth (or minutely netted); appendage protruding
Chromosomes: 2n=16
Ecology: Uncommon. Often disturbed or burned coniferous forest or mixed woodland
Elevation: < 1000 m.
Bioregional distribution: Northwestern California, n Sierra Nevada, San Francisco Bay Area
Distribution outside California: to British Columbia


M. linearis (Hook.) Greene

Annual 4–25 cm, erect, often much-branched
Leaves alternate, 10–100 mm, linear
Inflorescences few–many, terminal; flowers 3–14
Flower: sepals 3–7 mm, widely ovate, obtuse to truncate; petals 4–6.5 mm, ± unequal, white or pale pink; stamens 3
Fruit 3–4 mm
Seed 1.4–2.5 mm, generally ± smooth (or minutely netted); appendage 0
Chromosomes: 2n=24,28
Ecology: Moist grassland, scrub, open woodland, fields
Elevation: < 2300 m.
Bioregional distribution: Klamath Ranges, North Coast Ranges, Cascade Range, n&c Sierra Nevada, San Francisco Bay Area, Transverse Ranges, Peninsular Ranges, Modoc Plateau
Distribution outside California: to w Canada, Montana

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