Ranunculus lapponicus |
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Lapland buttercup, renoncule de lapponie |
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Stems | prostrate, buried, rooting nodally, glabrous, not bulbous-based. |
Basal leaf | blades reniform, deeply 3-parted, 1.1-2.6 × 1.6-4.3 cm, segments undivided or 1x cleft, margins crenate, apex rounded. |
Flowers | receptacle glabrous; sepals spreading or reflexed from base, 4-7 × 2-5 mm, glabrous; petals yellow, 5-6 × 2-3 mm. |
Heads of achenes | hemispheric, 5-7 × 8-10 mm; achenes 3.8-4.2 × 2-2.2 mm, glabrous; beak persistent, lanceolate, curved, tip hooked, 1.6-2.4 mm. |
Tuberous | roots absent. |
2n | = 16. |
Ranunculus lapponicus |
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Phenology | Flowering late spring–summer (Jun–Jul). |
Habitat | Boggy places and lakesides in tundra, muskeg, and boreal forest |
Elevation | 0-900 m (0-3000 ft) |
Distribution |
AK; ME; MI; MN; AB; BC; MB; NB; NF; NT; ON; QC; SK; YT; Greenland; Eurasia
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Discussion | Starving individuals among western Eskimo groups ate the soaked plant of Ranunculus lapponicus as a dietary aid before consuming other food (D. E. Moerman 1986). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 3. |
Parent taxa | Ranunculaceae > Ranunculus > subg. Coptidium |
Sibling taxa | |
Name authority | Linnaeus: Sp. Pl. 1: 553. (1753) |
Web links |