Sericocarpus oregonensis

Oregon whitetop aster

Family: Asteraceae · Type: perennial · Native

Oregon whitetop aster is a California native perennial found in northern California mountain regions in conifer forests and mountain meadows. Flowering from July to September, this plant produces white ray flowers with purple disk anthers in flat-topped clusters. Growing with erect stems 40 to 100 centimeters tall that are glabrous to slightly hairy, it develops a woody, fibrous-rooted caudex. Its leaves are mostly cauline, with lower leaves 3 to 8 centimeters long, oblanceolate to elliptic, and somewhat hairy. The fruit is 2.5 to 5.5 millimeters long with an appressed-hairy surface.

California counties: Humboldt, Calaveras, El Dorado, Shasta, Butte, Plumas, Yuba, Sierra, Nevada, Trinity, Madera, Del Norte, Siskiyou, Mariposa

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Jepson eFlora, Cal-IPC, and more.