COMMON NAME: Common Chickweed
FAMILY: Caryophyllaceae (Pink Family)
Stem: internodes hairy in line
Leaves ± evenly spaced; blade 8–45 mm, ± ovate; margin ± smooth, ± flat, shiny, often ciliate near base
Inflorescence terminal or axillary, few-flowered, ± dense; bracts leafy; pedicels spreading to erect, in fruit curved to reflexed
Flower: sepals 5, 3–4.5 mm, > 6 mm in fruit, lanceolate to ovate, acute to obtuse, glabrous or ± hairy and glandular, margin ± widely scarious, ribs often 1 or 3 near base; petals 5, 0.7–0.9 X sepal
Seed 0.9–1.3 mm, reddish or purplish brown; surface papillate
Ecology: Oak woodlands, meadows, disturbed areas
Elevation: < 1300 m.
Bioregional distribution: Northwestern California, High Cascade Range, c Sierra Nevada Foothills, Great Central Valley, Central Coast, San Francisco Bay Area, South Coast, Channel Islands, Sonoran Desert
Distribution outside California: native to sw Europe
Flowering time: Feb–Sep
Often a pernicious urban weed.