Ranunculus acris

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Read about Ranunculus acris in the Standard Cyclopedia of Horticulture 

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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