E-Flora BC: Electronic Atlas of the Flora of British Columbia

Ranunculus inamoenus Greene var. inamoenus
unlovely buttercup (graceful buttercup)
Ranunculaceae (Buttercup family)

Introduction to Vascular Plants
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Distribution of Ranunculus inamoenus var. inamoenus
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Species Information

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General:
Perennial herb from slender, fibrous roots; stems 1 to several, erect, 5-25 cm tall, hairy above or smooth, hollow.
Leaves:
Basal leaves persistent, thick, egg-shaped to nearly circular, rarely kidney-shaped, undivided to shallowly 3- (5-) lobed, 1-4 cm long, 1-3.5 cm wide, shallowly toothed, tips rounded, bases wedge-shaped to rounded, the stalks 2- to 5-times length of blade; stem leaves thin, alternate, unstalked, divided nearly to base into 3 to 5 (7) linear to oblanceolate segments 2-4 cm long, often absent.
Flowers:
Inflorescence a 3- to 7-flowered cyme; flower stalks 1-7 cm long, appressed-hairy; receptacle soft-hairy or smooth; petals 5, distinct, yellow, 4-9 mm long, 2-5 mm wide, oblanceolate to narrowly egg-shaped, nectary on upper surface, the scale about 1 mm long, smooth; sepals 5, spreading to bent back, persistent, 3-5 mm long, 2-3 mm wide, soft-hairy above; stamens 25-50; pistils 40-100.
Fruits:
Achenes, numerous in a cylindric head 7-17 mm long, 5-8 mm wide, the achenes egg-shaped, 1.5-2 mm long, 1.3-1.8 mm wide, white fine-hairy to smooth, margins evident; beaks persistent, awl-shaped, 0.4-2 mm long, straight or hooked.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to mesic meadows and rocky slopes in the subalpine and alpine zones; infrequent E of the Coast-Cascade Mountains, E to MB and S to NE, CO, UT, AZ, ID and WA.

Source: The Illustrated Flora of British Columbia

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Ranunculus affinis var. micropetalus Greene
Ranunculus alpeophilus
Ranunculus inamoenus subsp. inamoenus
Ranunculus inamoenus var. typicus L.D. Benson

Taxonomic and Nomenclatural Links

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General References