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Life » » Plants » » Buttercup family »

Ranunculus turneri Greene

Distribution

    Distribution
    provided by eFloras
    N.W.T., Yukon; Alaska; Asia.

Morphology

    Comments
    provided by eFloras
    Ranunculus turneri was considered an arctic race of R . acris by E. Hultén (1971). It occurs from the Mackenzie Delta to northeastern Alaska.
    Description
    provided by eFloras
    Stems erect, never rooting nodally, hirsute, base not bulbous. Roots never tuberous. Basal leaf blades cordate to reniform in outline, 3-parted, 1.3-3 × 1.8-3.8 cm, segments cleft, ultimate segments elliptic to lanceolate, margins toothed, apex acute. Flowers: receptacle glabrous; sepals spreading, 7-9 × 2-4 mm, hirsute; petals 5, yellow, 10-15 × 8-11 mm. Heads of achenes nearly globose, 7-10 mm wide; achenes 2.4 × 2.6-2.7 mm, glabrous, margin forming narrow rib 0.1-0.2 mm wide; beak persistent, lanceolate, strongly hooked or curved, 1.6-2 mm.

Diagnostic Description

    Synonym
    provided by eFloras
    Ranunculus occidentalis Nuttall var. turneri (Greene) L. D. Benson

Habitat

    Habitat
    provided by eFloras
    Damp meadows; of conservation concern; 0m.

Cyclicity

    Flowering/Fruiting
    provided by eFloras
    Flowering summer (Aug).