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Montana Field Guide

Montana Field Guides

Sulphur Buttercup - Ranunculus sulphureus

Status Under Review

Global Rank: G5
State Rank: SNR

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

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General Description
Stems erect, 3–20 cm with glabrate foliage. Basal leaf blades reniform, 1–3 cm long, 3- to 5-lobed . Flowers with petals 8–12 mm long, ca. twice as long as the sepals. Achenes glabrous or sparsely brown-hairy, ca. 2 mm long with a curved or straight beak 1.5–2 mm long; heads cylindric, 5–8 mm high (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Circumpolar south to AB, NT and Greenland (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat
Moist to wet, alpine turf; one collection from Carbon County (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Sulphur Buttercup — Ranunculus sulphureus.  Montana Field Guide.  .  Retrieved on , from