Ranunculus sabinei

R. Brown

J. Voy. N.-W. Passage, Bot., 264. 1824.

Endemic
Synonyms: Ranunculus pygmaeus subsp. sabinei (R. Brown) Hultén
Treatment appears in FNA Volume 3.

Stems erect or decumbent, 1-12 cm, sparsely pilose, each with 1-3 flowers. Roots slender, 0.3-0.8 mm thick. Basal leaves persistent, blades broadly obovate to transversely elliptic, 3-lobed or -parted, 0.9-3 × 0.8-3.4 cm, segments undivided or again lobed, base obtuse, margins entire, apices of segments rounded to rounded-obtuse. Flowers: pedicels pilose; receptacle pilose; sepals 4-7 × 2-3 mm, abaxially pilose, hairs colorless; petals 5, 5-8 × 3-4 mm; nectary scale glabrous. Heads of achenes cylindric, 6-9 × 4 mm; achenes 1.2-1.4 × 0.8-1 mm, glabrous; beak lance-subulate, straight or curved, 0.4-0.6 mm. 2n = 64.


Phenology: Flowering summer (Jul–Aug).
Habitat: Slopes and hummocks in tundra, in sandy or gravelly soil
Elevation: 0 m

Distribution

V3 649-distribution-map.gif

Greenland, N.W.T., Nunavut, Yukon, Alaska.

Discussion

An alternative interpretation of this taxon is given by E. Hultén (1971) who considered it to be the hybrid Ranunculus nivalis × R. pygmaeus, and considered all specimens referable here to be hybrids or members of stabilized populations of hybrid origin.

Selected References

None.

Lower Taxa

None.
... more about "Ranunculus sabinei"
Alan T. Whittemore +
R. Brown +
Ranunculus sect. Marsypadenium +
Greenland +, N.W.T. +, Nunavut +, Yukon +  and Alaska. +
Slopes and hummocks in tundra, in sandy or gravelly soil +
Flowering summer (Jul–Aug). +
J. Voy. N.-W. Passage, Bot., +
Ranunculus pygmaeus subsp. sabinei +
Ranunculus sabinei +
Ranunculus sect. Epirotes +
species +