Ivesia sericoleuca

Plumas ivesia

Family: Rosaceae · Type: perennial · Native

Conservation status: CNPS 1B.2

Plumas ivesia is a rare (CNPS 1B.2) California native perennial found in northern Sierra Nevada and southern Modoc Plateau in Sierra Valley's dry, volcanic meadows at elevations of 1,300 to 2,320 meters. Flowering from May to September, this plant produces white flowers in compact clusters 10 to 20 millimeters wide with approximately 5 to 10 blossoms. Growing with decumbent to ascending green stems 15 to 45 centimeters tall, it forms a tufted habit with a few-branched caudex. Its complex leaves span 10 to 20 centimeters with 20 to 35 leaflets on each side, featuring small elliptic to oblanceolate lobes 3 to 15 millimeters long. The fruit is smooth and brown, measuring 2 to 3 millimeters in length.

Habitat: Dry, generally volcanic meadows

Bloom period: May-Sep

Elevation: 1300-2320 m

Bioregions: n SNH, s MP (Sierra Valley).

California counties: Sierra, Nevada, El Dorado, Plumas, Placer, Lassen, Mono

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