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|Family: Caryophyllaceae||View Description||Dichotomous Key|
|Genus: Holosteum||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Holosteum umbellatum L. subsp. umbellatum
Habit: Plant 5--25 cm. Stem: 1--many, unbranched, glandular-hairy +- near middle. Leaf: cauline 1--4 pairs in lower 1/2; blades 2--30 mm, glabrous or margin glandular-hairy. Inflorescence: bracts whorled, 1--2 mm, partly scarious; pedicels slender, reflexed in flower, erect in fruit. Flower: petals narrowly elliptic, white. Seed: 0.7--0.8 mm, compressed, with marginal ridge opposite elongate depression; tubercles low, rounded. Chromosomes: 2n=20,40.
Ecology: Uncommon. Disturbed areas, roadsides; Elevation: < 1270 m. Bioregional Distribution: KR, CaR, CCo?, MP; Distribution Outside California: to British Columbia, eastern North America; native to Europe; central and southwestern Asia; northern Africa. Flowering Time: Late winter--early spring
Unabridged Note: 4 other subspecies, native to Europe, central and southwestern Asia, northern Africa, introduced in South America, western Europe, southern Africa.
eFlora Treatment Author: Ronald L. Hartman & Richard K. Rabeler
Jepson Online Interchange
Previous taxon: Holosteum
Next taxon: Loeflingia
Citation for this treatment: Ronald L. Hartman & Richard K. Rabeler 2017. Holosteum umbellatum subsp. umbellatum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=77172, accessed on March 24, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on March 24, 2017.