Enemion stipitatum
Siskiyou rue-anemone
(c) Kieran Hanrahan, some rights reserved (CC BY) · licence
Family: Ranunculaceae · Type: Herb · Native
Enemion stipitatum (Siskiyou rue-anemone) is a native California herb in the Ranunculaceae family, recognized by clear size differences and growth habit distinguish from E. occidentale.
Siskiyou rue-anemone is a California native perennial found in northwestern California, the Cascade Range, northern Sierra Nevada, southeastern San Francisco Bay Area (Mount Hamilton Range), and the Modoc Plateau in shaded slopes, chaparral, oak woodland, and mixed-evergreen forest at elevations of 200 to 1,500 meters. Flowering from February to April, this plant produces delicate white flowers with white sepals 1 to 2.5 millimeters wide. Growing 4 to 12 centimeters tall with (1)3 to 7 stems that are decumbent to erect and generally simple. Its leaves span 4 to 11 centimeters with segment lobes typically divided into 3 parts, where each lobe is generally more than half the segment's length. The fruit develops 4 to 7 millimeters long, with 3 to 10 pistils present in each flower.
Identification and appearance
Key characters: 1 sympatric species; clear size differences and growth habit distinguish from E. occidentale
Habitat and range
Habitat: Shaded slopes, chaparral, oak woodland, mixed-evergreen forest
Elevation: 200-1500 m
California counties: Humboldt, Modoc, Alameda, Plumas, Shasta, Siskiyou, Glenn, Trinity, El Dorado
Outside California: to Oregon
Bloom period
Enemion stipitatum blooms Feb-Apr.
How to tell it apart
vs Thalictrum: Enemion has white flowers with 5 broad sepals; Thalictrum has tiny inconspicuous flowers with many dangling stamens.; vs Aquilegia: Enemion lacks petals entirely with 5 simple sepals; Aquilegia has distinctive backward-projecting spurred petals.; vs Coptis: Enemion has leafy stems from clustered fleshy roots; Coptis has leafless flower stalks from slender spreading runners.; vs Caltha: Enemion has 5 sepals and no petals with compound leaves; Caltha has 5-12 showy sepals and simple rounded leaves.
Frequently asked questions
Is Enemion stipitatum native to California?
Yes. Enemion stipitatum is native to California (recorded as native).
When does Enemion stipitatum bloom?
Enemion stipitatum blooms Feb-Apr.
Where in California does Enemion stipitatum grow?
Enemion stipitatum occurs in Humboldt, Modoc, Alameda, Plumas, Shasta, Siskiyou, Glenn, Trinity and other counties, at elevations of 200-1500 m.
What plant family does Enemion stipitatum belong to?
Enemion stipitatum is in the Ranunculaceae family, genus Enemion.
What habitat does Enemion stipitatum grow in?
Enemion stipitatum grows in Shaded slopes, chaparral, oak woodland, mixed-evergreen forest.
Related species
Other California species in the same genus, family, or bioregion.
Sources: Jepson eFlora · Index of California Plant Names · CalPhotos
Last updated 2026-10-07
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.