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Western Wild Buttercup - Ranunculus adoneus
Other Names:
Ranunculus eschscholtzii var. adoneus
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State Rank Reason (see State Rank above)
Reported for Montana by Whittemore (FNA)
General Description
Plants perennial. Stems 5-32 cm tall, ascending to erect, glabrous. Basal leaf blades simple,1-5 cm long, several times divided into usually linear segments 0.7-3 mm wide; cauline leaves similar but with progressively shorter petioles. Sepals 5, 3.5-10 mm long, pilose or glabrous, deciduous, spreading. Petals 5-12, 5-15 mm long, yellow. Achenes 2.5-4 mm long, glabrous, arranged 40-70 in an ovoid cluster; beaks 1.4-1.9 mm long, straight or recurved; receptacle glabrous (adapted from: Welsh et al., 1993, A Utah Flora, 2nd ed.).
Range Comments
ID, MT, south to NV, UT, WY and CO (Kartesz in prep. 2012).
Observations in Montana Natural Heritage Program Database
Number of Observations: 2
(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
Most areas near melting snow in meadows, talus slopes, and confierous communities (adapted from: Welsh et al., 1993, A Utah Flora, 2nd ed.).
Ecology
POLLINATORS The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap:
Bombus auricomus ,
Bombus bifarius ,
Bombus nevadensis , and
Bombus bimaculatus (Macior 1968, Thorp et al. 1983).
References
Literature Cited AboveLegend: Bombus (Hymenoptera, Apidae) queen foraging in relation to vernal pollination in Wisconsin. Ecology 49:20-25.
Additional ReferencesLegend: Do you know of a citation we're missing?
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