Stellaria obtusa

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Stellaria obtusa
Stellariaobtusa cropped.jpg
herbarium specimen
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Core eudicots
Order: Caryophyllales
Family: Caryophyllaceae
Genus: Stellaria
Species: S. obtusa
Binomial name
Stellaria obtusa

Alsine obtusa
Alsine viridula
Alsine washingtoniana
Stellaria viridula
Stellaria washingtoniana

Stellaria obtusa is a species of flowering plant in the pink family known by the common names Rocky Mountain chickweed,[1] blunt-sepaled starwort, and obtuse starwort. It is native to western North America, from British Columbia and Alberta to California to Colorado, where it grows in moist areas in forests and on mountain slopes.

It is a rhizomatous perennial herb producing a prostrate, creeping, branching stem up to about 20 centimeters long, sometimes forming mats. The oval leaves are up to about a centimeter long and are borne in opposite pairs on the stem. Solitary flowers occur in the leaf axils, each borne on a short pedicel. The small flower has no petals, just four to five blunt-tipped green sepals each a few millimeters long.


  1. ^ "Stellaria obtusa". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 1 December 2015. 

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