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Montana Field Guide

Montana Field Guides

Richardson's Geranium - Geranium richardsonii

Native Species

Global Rank: G5
State Rank: S5
(see State Rank Reason below)
C-value: 5


Agency Status
USFWS:
USFS:
BLM:


 

External Links






State Rank Reason (see State Rank above)
Very common in mountainous areas in Montana. No identifiable threats.
 
General Description
Perennial. Stems erect, 20–90 cm. Herbage sparsely strigose, glandular in the inflorescence. Leaf blades cordate, orbicular, 3–14 cm wide, cleft nearly to the midvein into 3 to 7 lobed segments. Flowers: sepals 5–10 mm long, bristle-tipped; petals 9–18 mm long, white, purple-veined; fertile stamens 10. Capsule 20–25 mm long including the style column (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions

Native
 


Range Comments
YT south to CA, NM and SD (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 798

(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
Meadows, thickets, moist open forest, woodlands; valleys, montane (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Ecology
POLLINATORS
The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus vagans, Bombus appositus, Bombus bifarius, Bombus centralis, Bombus fervidus, Bombus flavifrons, Bombus frigidus, Bombus mixtus, Bombus rufocinctus, Bombus occidentalis, Bombus pensylvanicus, Bombus bimaculatus, Bombus griseocollis, Bombus impatiens, and Bombus kirbiellus (Thorp et al. 1983, Mayer et al. 2000, Wilson et al. 2010, Colla and Dumesh 2010, Colla et al. 2011, Koch et al. 2012, Williams et al. 2014).


References
  •  Literature Cited Above
  •  Additional References
  •  Web Search Engines for Articles on "Richardson's Geranium"
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Citation for data on this website:
Richardson's Geranium — Geranium richardsonii.  Montana Field Guide.  .  Retrieved on , from