Page authors: Don Knoke, David Giblin
Draba incerta
whitlow-wort, Yellowstone draba whitlow-wort

Distribution: Occurring in the Cascades and Olympic Mountains in Washington; British Columbia and Alberta south to Washington, east to Montana and Wyoming.

Habitat: Alpine and subalpine slopes.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


Loosely tufted, scapose perennial, the scapes 1-20 cm. long, often with 1 bract, pubescent with stellate and irregularly branched hairs.


Leaves alternate, somewhat imbricate, linear-oblanceolate, 7-13 mm. long and 1.5-3.5 mm. broad, the margins with simple to branched hairs, the under surface pubescent with irregularly branched hairs, with some branched along both sides of the hair stem.


Inflorescence racemose; pedicles about equaling the fruit; sepals 4, erect; petals 4, yellow, fading to white, 4-5 mm. long; stamens 6; style 0.4-1 mm. long.


Silicles ovate-lanceolate to elliptic, scarcely inflated, 6-10 mm. long and 2.5-3.75 mm. broad, usually pubescent with coarse, short, stiff, simple or branched hairs.

Accepted Name:
Draba incerta Payson
Publication: Amer. J. Bot. 4: 261. 1917. 1917.

Synonyms & Misapplications:
Draba exalata E. Ekman
Draba incerta Payson var. incerta [Rollins 1993a]
Draba incerta Payson var. laevicapsula (Payson) Payson & H. St. John
Draba incerta Payson var. peasei (Fernald) Rollins
Draba laevicapsula Payson
Draba peasei Fernald
Additional Resources:

PNW Herbaria: Specimen records of Draba incerta in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Draba incerta checklist entry.

E-Flora BC: Draba incerta atlas page.

CalPhotos: Draba incerta photos.

USDA Plants: Draba incerta information.

11 photographs:
Group by