Page author: David Giblin
Draba densifolia
Nuttall's draba, dense-leaf whitlow-grass

Distribution: Occurring east of the Cascades crest in Washington; Alaska to California, east to Alberta, Idaho, Wyoming, Nevada and Utah.

Habitat: Open, rocky places from mid- to high elevations in the mountains.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


Siliques nearly erect, terete, linear, 2-3 cm. long and 1-1.5 mm. broad, somewhat lumpy, rounded at the tip; seeds in 1 series.


Leaves alternate, numerous, inbricate, linear to linear-lanceolate, 2-12 mm. long, and 0.5-3 mm. broad, the mid-nerve very prominent, with stiff, straight, simple hairs on the margins, and sometimes with a few coarse, simple or forked hairs on the lower surface, the upper surface glabrous.


Inflorescence of 3- to 15-flowered, bractless racemes; sepals 4, erect; petals 4, yellow, 2-6 mm. long; stamens 6; style 0.5-1 mm. long.


Silicles ovate to ovate-elliptic, 2-7 mm. long and 2-3.5 mm. broad, coarsely pubescent with simple to stellate hairs.

Accepted Name:
Draba densifolia Nutt.
Publication: Fl. N. Amer. 1: 104. 1838.

Synonyms & Misapplications:
Draba caeruleomontana Payson & H. St. John [Abrams]
Draba caeruleomontana Payson & H. St. John var. piperi Payson & H. St. John
Draba nelsonii J.F. Macbr. & Payson [Abrams]
Draba pectinata (S. Watson) Rydb.
Draba sphaerula J.F. Macbr. & Payson [Abrams]
Additional Resources:

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

WA Flora Checklist: Draba densifolia checklist entry.

E-Flora BC: Draba densifolia atlas page.

CalPhotos: Draba densifolia photos.

USDA Plants: Draba densifolia information.

15 photographs:
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