Draba calcifuga - Draba calcifuga
State Rank Reason (see State Rank above)
A newly described species from timberline and alpine areas of sw Montana, Idaho and Wyoming. Its widespread distribution and high elevation habitat significantly reduce the potential of negative impacts to the species.
- Details on Status Ranking and Review
Draba calcifuga (Draba calcifuga) Conservation Status Review
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Mat-forming perennial. Stems simple, 1–12 cm. Basal leaves oblanceolate, 3–10 mm long, entire. Stem leaves absent. Vestiture of pectinate hairs, stalked forked or stellate hairs, and simple or forked cilia. Petals yellow, 3–6 mm long. Fruit ovate, ascending, 2–6 × 1.5–3 mm, pubescent with simple hairs; style 0.3–1 mm long; lower pedicels 2–12 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
Flowering occurs in June-July; Fruit present July-September
Southwest Montana into adjacent Idaho and western Wyoming.
Alpine habitats at treeline or above, typically on granitic parent materials.
- Additional ReferencesLegend: View Online Publication
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- Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- Lesica, Peter. 2009. "Draba calcifuga (Brassicaceae), a New Species from the Rocky Mountains of North America". Novon: A Journal for Botanical Nomenclature. 19 (2): 182-186.