Anemone L.
Plants with single unbranched stems, or with leaves or spreading stems arising from a caudex; 1–14–30 cm high. Ground level or underground stems horizontal; rhizomatous; elongate. Aerial stems erect; sparsely hairy, or densely hairy. Leaves simple, or compound. Blades herbaceous; circular, or obovate, or reniform; without auricles; not septate nodulose. Blades adaxial surface glabrous, or glabrescent, or scabrous, or hairy; hairs villous, or short-silky; hairs sparse; hairs white and translucent. Blades abaxial surface glabrescent, or hairy; hairs sparse, or moderately dense. Leaf bases cordate, or cuneate. Leaves lobed. Leaflet arrangement trifoliate; leaflets 20–60 mm long; 1–4 mm wide.
Flowering stems hairy. Leaf or reduced bract closely associated with the base of the inflorescence absent. Flowers solitary, or in inflorescences. Inflorescence cymose; terminal; main axis hairy; with involucral bracts. Involucre bracts with a flat blade surface, or with blades cut into linear divisions. Flowers per inflorescence 2–4; large, more than 15 mm in diameter or length. Calyx sepals 5–7, or 8; 8–17.62–45 mm long; yellow, or purple, or red, or blue, or white or translucent; petaloid; hairy; hairs white or translucent. Petals present, or absent; without contrasting markings; longer than the calyx. Stamens 30–85. Anthers 0.65–1.8 mm long. Nectaries in bisexual flowers absent. Receptacle 3–6 mm high. Carpels 20–85. Ovaries hairy; ovary villous. Ovary hair dense; white, or translucent. Fruit an achene; ellipsoid, or ovoid, or elongate-cylindrical, or obovate, or oblong; 2–5 mm long; 0.8–1.7 mm wide; stalk 4–21 mm long; indehiscent; brown; glabrous, or hairy; styles style modified modifying and persisting. Styles persisting in fruit 0.8–38 mm long. Seeds 1.
Chromosome information. 2n = 14, 16, 32.
Distribution. Circumpolar, or not circumpolar, amphi-Atlantic, amphi-Beringian, or North American. Low arctic, or alpine, or boreal. Range in the Canadian Arctic Archipelago limited, or moderate. Uncommon, or rare. Northern hemisphere: Greenland, Canada, United States, Eurasia. Canada: Alta., B.C., Man., N.B., Nfld., N.W.T. (Frank.), N.W.T. (Keew.), N.W.T. (Mack.), Ont., Que., Sask., Yukon. USA: Alaska, Calif., Colo., Idaho., Maine, Mich., Minn., Mont., Nev., N.Mex., N.York, Oreg., S. Dak., Utah, Vt., Wash., Wyo. Arctic Islands: Banks, Victoria.
Cite this publication as: P.J. Scott, S.G. Aiken, R.L. Boles, and M. J. Dallwitz. 2000 onwards. ‘Ranunculaceae of the Canadian Arctic Archipelago: Descriptions, Illustrations, Identification, and Information Retrieval.’ Version: 6th November 2000. http://http://www.mun.ca/biology/delta/arcticf/. Dallwitz (1980) and Dallwitz, Paine and Zurcher (1993, 1995, 2000) should also be cited (see References).