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Montana Field Guide

Montana Field Guides

Yellowstone Saxifrage - Micranthes subapetala
Other Names:  Saxifraga oregana var. subapetala, Micranthes hieraciifolia, Saxifraga subapetala


Global Rank: G3G4Q
State Rank: S4

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

External Links






 
General Description
Plants solitary or clumped, with bulbils on stems. Leaves basal, petiole about 2 cm long, flattened; blades 3-15 cm long, ovate to elliptic or oblanceolate, margins entire to minutely denticulate, ciliate, surfaces hairy. Inflorescence 20-75 cm, 30+-flowered, spikelike to more open, yellow to pink (or rarely purplish) tipped stipitate-glandular. Sepals reflexed, ovate; petals absent or sometimes 1-5 (if so then 1-2 mm long, elliptic, clawed and shorter than sepals), pink to purplish; filaments linear, flattened; pistils fused below about halfway; ovary inferior. Capsules valvate, dark purple (adapted from: Brouillet & Elvander, 2009, in Flora N. America, Vol. 8).

Species Range
Present
 


Range Comments
MT, WY and ID (Kartesz in prep. 2012).

Summary of Observations Submitted for Montana
Number of Observations: 6

(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
Subapline and alpine meadows, wet banks, ledges (Brouillet & Elvander, 2009, in Flora of North America)

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