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Alpine Brook Saxifrage - Saxifraga debilis
Other Names:
Saxifraga rivularis [misapplied], Saxifraga hyperborea ssp. debilis
General Description
Stems erect to ascending, glabrous to sparsely hairy, 1–15 cm. Leaves basal and cauline, long-petiolate, reduced above; the blade glabrous, reniform, 3–20 mm wide, 3- to 5-lobed. Inflorescence of 1 to 3 flowers. Flowers: calyx with lobes 1–2 mm long; hypanthium 1–2 mm long; petals white, oblanceolate, 2–4 mm long; ovary half inferior. Capsule 4–5 mm long (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
In MT we have subspecies
hyperborea (R. Br.) Dorn and
debilis (Engelm. ex A. Gray) A. Love, D. Love & B.M. Kapoor.
Species Range
Montana Range
Range Descriptions
Native
Range Comments
Circumpolar south to CA, AZ and CO (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations: 7
(Click on the following maps and charts to see full sized version)
Map Help and Descriptions
Relative Density
Recency
(Observations spanning multiple months or years are excluded from time charts)
Habitat
Moist or wet, sparsely vegetated, gravelly soil of rock crevices, scree, turf, often beneath boulders or along streams; alpine (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Stewardship Responsibility
References
- 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.
- Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
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