Distribution: Circumpolar, south in North America to California, Michegan and New York.
Habitat: Moist meadows and steam banks, low to high elevations.
Flowers: Late May - Early August
Origin: Native
Conservation Status: Not of concern
Low perennial, often matted, the stems prostrate to ascending, 1-4 dm. long, glabrous.
Leaves opposite, sessile, thin, mostly glabrous, ovate to narrowly lanceolate, the margins smooth.
Flowers axillary and in terminal, leafy-bracteate cymes; pedicles slender, glabrous, 1-4 cm. long, erect to reflexed; sepals 5, lanceolate, acute, scarious-margined, 2.5-4.5 mm. long, 3-nerved; petals from nearly as long as the sepals to wanting.
Capsules narrowly ovoid, about twice as long as the sepals.
Publication: Mém. Acad. Imp. Sci. St.-Pétersbourg, Sér. 6, Sci. Math. 2: 127. 1833. 1833.
Stellaria simcoei (Howell) C.L. Hitchc. [HC]
PNW Herbaria: Specimen records of Stellaria calycantha in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Stellaria calycantha checklist entry.
E-Flora BC: Stellaria calycantha atlas page.
CalPhotos: Stellaria calycantha photos.
USDA Plants: Stellaria calycantha information.
