Tall Whitlow-grass - Draba praealta
Biennial or short-lived perennial from a usually simple caudex. Stems branched or not, 7–30 cm. Basal leaves oblanceolate, 1–3 cm long with dentate margins. Stem leaves several, lanceolate. Vestitiure of simple to stellate hairs. Petals white, 2–3 mm long. Fruit erect-ascending, narrowly lanceolate, 8–14 × 1.5–2 mm, puberulent; style up to 0.1 mm long; lower pedicels 4–9 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX
Rocky Mountains from Alaska S through Yukon, NW Territories (as far N as Great Bear Lake), British Columbia and Alberta, S in U.S. to Wyoming and through Cascades to California and Nevada.
Observations in Montana Natural Heritage Program Database
Number of Observations:
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(Observations spanning multiple months or years are excluded from time charts)
Sparsely vegetated soil of rocky slopes, cliffs, open forest, stream banks; montane to lower alpine (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX
- Literature Cited AboveLegend: View Online Publication
- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?
- Aho, Ken Andrew. 2006. Alpine and Cliff Ecosystems in the North-Central Rocky Mountains. Ph.D. Dissertation. Bozeman, Montana: Montana State University. 343 p.