An illustrated flora of the An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . ed2illustratedflo02brit Year: 1913 CROWFOOT FAMILY. 31. Ranunculus muricatus L. Spiny- fruited Crowfoot. Fig. 1925. Ranunculus muricatus L. Sp. PI. 555. 1753. Annual, glabrous or sparingly pubescent, branched from the base, I'-z' high. Lower and basal leaves on long broad petioles, the blade reniform or cordate-orbicular, 1-2' wide, 3-lobed, cleft,
An illustrated flora of the An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . ed2illustratedflo02brit Year: 1913 CROWFOOT FAMILY. 31. Ranunculus muricatus L. Spiny- fruited Crowfoot. Fig. 1925. Ranunculus muricatus L. Sp. PI. 555. 1753. Annual, glabrous or sparingly pubescent, branched from the base, I'-z' high. Lower and basal leaves on long broad petioles, the blade reniform or cordate-orbicular, 1-2' wide, 3-lobed, cleft, or crenate; the upper 3-divided, cuneate, short-petioled or sessile; flowers light yellow, 3'-5' wide, the petals exceeding the calyx; head of fruit globular, S'-6' wide; achenes flat, with a broad smooth margin, densely muricate and spiny on the sides, 2' long, tipped with a' stout slightly curved beak of one-half their length, the stout margin unarmed. Waste places and fields, Arkansas, Florida and Texas. Bermuda. Natu- ralized or adventive from Europe. Also on the Pacific Coast. Native also in Asia. Summer.
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