View source for Ranunculus acris

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Ranunculus acris, Linn., also spelled acer by some recent authors. Fig. 3344. Perennial, 8 in. to 3 ft. high: sts. erect, pubescent, many-fld.: radical lvs. tufted, petioled, palmately 3—7-parted, divisions sessile and cleft; cauline lvs. similar, petioles shorter and sheathing the st.; uppermost only 3-parted, lobes entire, nearly linear: fls. golden yellow, about 1 in. across; sepals spreading, ovate, villous beneath; petals 5, glabrous, glossy, obovoid, obtuse, bearing a prominent scale at the base, much longer than the sepals: achenes in a globose head, coriaceous on the margins, compressed, beak less than half the length of the body. April-Sept. Eu. and naturalized in N. Amer., Newfoundland, Canada and the Atlantic states. B.B. (ed. 2) 2:111. Var. flore-pleno, Hort. (R. acer flore-pleno, Hort.), is a double form which is more common in cult. The most desirable forms are rich glossy golden yellow and very double; known horticulturally as "yellow bachelor's buttons. B.M. 215.

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==Cultivation==
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===Propagation===
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===Pests and diseases===
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==Species==
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==Gallery==
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==References==
*[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963
<!--- xxxxx  *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381  -->
<!--- xxxxx  *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432  -->
<!--- xxxxx  *Sunset National Garden Book. Sunset Books, Inc., 1997. ISBN 0376038608  -->

==External links==
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