Page authors: Don Knoke, David Giblin
Vancouveria hexandra
white inside-out-flower

Distribution: Occurring west of the Cascades crest in Washington; Olympic Peninsula in Washington to northern California.

Habitat: Moist, shady forest understory to relatively dry forest edge from low to middle elevations in the mountains.

Flowers: May-June

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


Scapose, rhizomatous, herbaceous perennial, the scape 2-4 dm. long.


Leaves basal, 1-3 dm. long, long-petiolate, biternate or incompletely triternate, the leaflets ovate-cordate, 3-lobed, sparsely pubescent, the petioles with soft, brown hairs near the base.


Inflorescence a 10- to 30-flowered, open, nodding panicle; pedicels recurved, slender; flowers white; perianth 5-8 mm. long, composed of 18-21 segments, the outer 6-9 (bracts) graduated in length, deciduous; the next 6 inner (sepals) longer, sharply reflexed; petals 6, shorter than the sepals, reflexed, narrow, and claw-like up to the ovate, hooded blade; stamens 6, the filaments flattened, erect, 4-7 mm. long, purplish, glandular-pubescent; pistil narrowed to a short style; stigma cup-like.


Follicles 1 cm. long.

Accepted Name:
Vancouveria hexandra (Hook.) C. Morren & Decne.
Publication: Ann. Sci. Nat. Bot., sér. 2, 2: 351. 1834.

Synonyms & Misapplications:
Epimedium hexandrum Hook.
Vancouveria brevicula Greene
Vancouveria picta Greene
Additional Resources:

PNW Herbaria: Specimen records of Vancouveria hexandra in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Vancouveria hexandra checklist entry.

OregonFlora: Vancouveria hexandra information.

E-Flora BC: Vancouveria hexandra atlas page.

CalPhotos: Vancouveria hexandra photos.

USDA Plants: Vancouveria hexandra information.

30 photographs:
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