Clintonia uniflora
bride's-bonnet, queen's cup

Distribution: Occurring in forested and mountainous areas throughout Washington; Alaska to California, east to Alberta, Idaho, and Montana.

Habitat: Moist coniferous forests, from the foothills to fairly high elevations in the mountains

Flowers: May-July

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


Perennials 15-25 cm tall from elongate rhizomes.


Leaves 2-3, blades green, oblanceolate to obovate, 8-20 cm long and 2.5-6.5 cm broad.


Inflorescences usually 1-flowered, erect; bract 1, narrowly linear; peduncle hairy.


Tepals 6, white to whitish cream, oblanceolate, 18-25 mm long and 5-7 mm broad; stamens 6, filaments 11-18 mm, anthers oblong-linear and 3.5-5.5 mm; ovary superior, glabrous.


Berries deep luminous blue, nearly globose to pear-shaped, 6-10 mm; seeds 10-18 per berry, 3-4 mm.

Accepted Name:
Clintonia uniflora (Menzies ex Schult.) Kunth
Publication: Enum. Pl. 5: 159. 1850.

Synonyms & Misapplications:
Smilacina borealis (Aiton) Ker Gawl. var. uniflora Menzies ex Schult.
Smilacina uniflora (Menzies ex Schult.) Hook.
Additional Resources:

PNW Herbaria: Specimen records of Clintonia uniflora in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Clintonia uniflora checklist entry.

OregonFlora: Clintonia uniflora information.

E-Flora BC: Clintonia uniflora atlas page.

CalPhotos: Clintonia uniflora photos.

USDA Plants: Clintonia uniflora information.

68 photographs:
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