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Montana Field Guide

Montana Field Guides

Streambank Saxifrage - Micranthes odontoloma
Other Names:  Saxifraga arguta [misapplied], Saxifraga odontoloma


Global Rank: G5
State Rank: S4S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 7

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General Description
Perennial from a horizontal rootstock. Stems solitary, scapose, erect, 10–60 cm, glabrous below, glandular-hairy above. Leaves all basal, long-petiolate; the blade glabrous, usually ciliate, suborbicular, 2–8 cm wide, dentate. Inflorescence glandular, open-paniculate. Flowers: calyx saucer-shaped with lobes 1–2 mm long, often purplish; hypanthium <0.5 mm long; petals white with 2 green or yellow, basal spots, broadly elliptic, 2–3 mm long; ovary superior. Capsule 4–8 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
BC, AB south to CA, AZ and NM (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 27

(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
Along streams, springs, lakes, often on wet, mossy rocks; montane, lower subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Streambank Saxifrage — Micranthes odontoloma.  Montana Field Guide.  .  Retrieved on , from