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FNA | Family List | FNA Vol. 3 | Ranunculaceae | Ranunculus

20. Ranunculus sardous Crantz, Stirp. Austr. Fasc. 2: 84. 1763.

Ranunculus parvulus Linnaeus

Stems nearly erect, hispid, base not bulbous. Basal and lower cauline leaf blades ovate to cordate, 3-foliolate, 2-6 × 2-6 cm, leaflets again parted, leaflet base truncate to acute, margins crenate-dentate to crenate-lobulate, apex rounded to obtuse. Flowers pedicellate; receptacle pilose; sepals 5, reflexed, 3-8 × 1.5-3 mm, pilose; petals 5, 7-10 × 4-8 mm. Heads of achenes globose or ovoid, 5-8 × 6-7 mm; achenes 15-35 per head, 2-3 × 2-3 mm, faces sparsely papillate or sometimes smooth, glabrous, margin smooth; beak oblong to deltate, curved, 0.4-0.7 mm.

Flowering late winter-summer (Mar-Aug). Roadsides, fields, open woods; 0-200 m; introduced; B.C.; Ala., Ark., Calif., Fla., Ga., Ill., Kans., Ky., La., Md., Miss., Mo., N.J., N.Y., N.C., Okla., Oreg., Pa., R.I., S.C., Tenn., Tex., Va.; native to Europe; Pacific Islands; Australia.

Ranunculus sardous was collected in New Brunswick and Ontario in the 1800s, but it apparently has not persisted in those provinces.


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