Flora of North America species comparison

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Ranunculus turneri

turner's buttercup
Roots

never tuberous.
Stems

erect, never rooting nodally, hirsute, base not bulbous.
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.

Ranunculus turneri
Phenology Flowering summer (Aug).
Habitat Damp meadows
Elevation 0 m (0 ft)
Distribution
from FNA
AK; NT; YT; Asia
[BONAP county map]
Discussion

Of conservation concern.

Ranunculus turneri was considered an arctic race of R. acris by E. Hultén (1971). It occurs from the Mackenzie Delta to northeastern Alaska.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 3.
Parent taxa Ranunculaceae > Ranunculus > subg. Ranunculus > sect. Ranunculus
Sibling taxa
R. abortivus, R. acriformis, R. acris, R. adoneus, R. alismifolius, R. allegheniensis, R. allenii, R. ambigens, R. andersonii, R. aquatilis, R. arizonicus, R. arvensis, R. auricomus, R. austro-oreganus, R. bonariensis, R. bulbosus, R. californicus, R. canus, R. cardiophyllus, R. cooleyae, R. cymbalaria, R. eschscholtzii, R. fascicularis, R. fasciculatus, R. ficaria, R. flabellaris, R. flammula, R. gelidus, R. glaberrimus, R. glacialis, R. gmelinii, R. gormanii, R. harveyi, R. hebecarpus, R. hederaceus, R. hispidus, R. hydrocharoides, R. hyperboreus, R. hystriculus, R. inamoenus, R. jovis, R. kamtschaticus, R. lapponicus, R. laxicaulis, R. lobbii, R. macauleyi, R. macounii, R. macranthus, R. marginatus, R. micranthus, R. muricatus, R. nivalis, R. occidentalis, R. oresterus, R. orthorhynchus, R. pacificus, R. pallasii, R. parviflorus, R. pedatifidus, R. pensylvanicus, R. platensis, R. populago, R. pusillus, R. pygmaeus, R. ranunculinus, R. recurvatus, R. repens, R. rhomboideus, R. sabinei, R. sardous, R. sceleratus, R. sulphureus, R. testiculatus, R. trilobus, R. triternatus, R. uncinatus
Synonyms R. occidentalis var. turneri
Name authority Greene: Pittonia 2: 296. (1892)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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