Ranunculus pallasii |
Ranunculus populago |
|
---|---|---|
Pallas' buttercup, renoncule de Pallas |
Cusick's buttercup, mountain buttercup, popular buttercup |
|
Roots | thickened basally, glabrous. |
|
Stems | creeping or floating, rooting nodally, glabrous, not bulbous-based. |
erect or ascending, never rooting nodally, glabrous. |
Leaves | basal leaf blades with base obtuse to cordate; proximal cauline leaf blades semicircular to cordate or ovate, 1.2-5.1 × 1.5-2.9 cm, base cordate to broadly obtuse, margins entire or crenulate, apex broadly acute to rounded. |
|
Basal leaf blades | linear to obovate, undivided or 3-lobed, 1.5-3.6 × 0.3-2 cm, lobes lanceolate or elliptic, margins entire, apex rounded to acuminate. |
|
Inflorescences | bracts narrowly elliptic to ovate or lanceolate. |
|
Flowers | receptacle glabrous; sepals spreading, 6-10 × 4-7 mm, glabrous; petals 7-11, white or pink, 8-13 × 3-6 mm. |
receptacle glabrous or hispidulous; sepals 4-5, spreading or reflexed from base, 3-5 × 2-4 mm, glabrous; petals 5-6, 4-9 × 2-5 mm; nectary scales glabrous. |
Heads of achenes | globose or hemispheric, 5-12 × 9-15 mm; achenes 4.2-5.2 × 2.4-3.2 mm, glabrous; beak persistent, lanceolate, straight or curved, 1-1.2 mm. |
hemispheric, 3 × 4-5 mm; achenes 1.6-1.8 × 1.2 mm, glabrous; beak lance-subulate, straight, 0.2-1 mm. |
Tuberous | roots absent. |
|
2n | = 32. |
|
Ranunculus pallasii |
Ranunculus populago |
|
Phenology | Flowering summer (Jul–Aug). | Flowering spring–summer (Apr–Aug). |
Habitat | Shallow water of bogs and pools in muskeg and tundra | Wet ground and shallow water, in wet meadows, bogs, streams, lakes |
Elevation | 0-700 m (0-2300 ft) | 1300-2000 m (4300-6600 ft) |
Distribution |
AK; MB; NF; NT; ON; QC; YT; Eurasia |
CA; ID; MT; OR; WA
|
Source | FNA vol. 3. | FNA vol. 3. |
Parent taxa | Ranunculaceae > Ranunculus > subg. Pallasiantha | Ranunculaceae > Ranunculus > subg. Ranunculus > sect. Flammula |
Sibling taxa | ||
Name authority | Schlechtendal: Animadv. Bot. Ranunc. Cand. 1: 15. (1819) | Greene: Erythea 3: 19. (1895) |
Web links |