Arrow-leaf Rattlesnake-root - Prenanthes sagittata
MNPS Threat Rank
Stems erect, usually simple 15–70 cm. Herbage glabrous. Leaf blades sagittate, dentate to lobed on the lower half, 3–15 cm long. Inflorescence racemose; heads nodding in fruit. Involucre 7–13 mm high; phyllaries glabrous. Rays 7 to 20, white; ligules 7–9 mm long. Achenes ca. 5 mm long; pappus tawny (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
BC, AB, ID and MT (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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Moist soil of thickets, wet meadows, open forest, especially along streams; montane, subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
- 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.