Ranunculus lapponicus |
Ranunculus cooleyae |
|
---|---|---|
Lapland buttercup, renoncule de lapponie |
Cooley's buttercup |
|
Stems | prostrate, buried, rooting nodally, glabrous, not bulbous-based. |
erect from short caudices, not 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. |
blades circular to reniform in outline, 3-5-parted, 0.8-3.8 × 1.7-6.9 cm, segments again lobed, ultimate segments elliptic or oblong, margins crenate, apex rounded; cauline leaf 0-1, scalelike. |
Flowers | receptacle glabrous; sepals spreading or reflexed from base, 4-7 × 2-5 mm, glabrous; petals yellow, 5-6 × 2-3 mm. |
receptacle glabrous; sepals spreading, yellow, 7-11 × 4-7 mm, glabrous; petals 11-15, yellow, 8-12 × 3-5 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. |
hemispheric or spheric, 7-8 × 9-10 mm; achenes 2.4-4.6 × 1.2-2.2 mm, glabrous; beak persistent, filiform, hooked distally, 1-1.8 mm. |
Tuberous | roots absent. |
roots absent. |
2n | = 16. |
= 16. |
Ranunculus lapponicus |
Ranunculus cooleyae |
|
Phenology | Flowering late spring–summer (Jun–Jul). | Flowering late spring–summer (Jun–Aug). |
Habitat | Boggy places and lakesides in tundra, muskeg, and boreal forest | Slopes near persistent snowbanks |
Elevation | 0-900 m (0-3000 ft) | 500-1800 m (1600-5900 ft) |
Distribution |
AK; ME; MI; MN; AB; BC; MB; NB; NF; NT; ON; QC; SK; YT; Greenland; Eurasia
|
AK; WA; BC
|
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. | FNA vol. 3. |
Parent taxa | Ranunculaceae > Ranunculus > subg. Coptidium | Ranunculaceae > Ranunculus > subg. Cyrtorhyncha > sect. Arcteranthis |
Sibling taxa | ||
Synonyms | Arcteranthis cooleyae, Kumlienia cooleyae | |
Name authority | Linnaeus: Sp. Pl. 1: 553. (1753) | Vasey & Rose ex Rose: Contr. U.S. Natl. Herb. 1: 289. (1894) |
Web links |