Ranunculus bulbosus

Bulbous buttercup

Family: Ranunculaceae · Type: perennial · Not Native

Bulbous buttercup is a naturalized perennial herb found in northern California Coast bioregion in meadow habitats at elevations below 100 meters. Flowering from June to July, this plant produces yellow flowers with five petals 9 to 13 millimeters long, accompanied by reflexed sepals. Growing with an erect stem 20 to 30 centimeters tall, it features a distinctive bulbous base resembling a corm. Its basal and cauline leaves are deeply lobed, with ovate to cordate blades divided into 1 to 2 lobed leaflets, featuring ultimate segments that are oblong to obovate with rounded tips. The fruit is a disk-like body with a slender, hooked beak 2.2 to 3.2 millimeters wide.

Habitat: Meadows

Bloom period: Jun-Jul

Elevation: < 100 m

Bioregions: n NCo

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