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IPM1007, Practical Weed Science for the Field Scout: Corn and Soybean

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Practical Weed Science for the Field Scout: Corn and Soybean

Buttercup, bulbous (Ranunculus bulbosus)

Winter annual broadleaf

Buttercup
ButtercupA low-growing perennial with divided leaves and flowers that have five to seven bright yellow petals. Bulbous buttercup is most easily identified by the thickened base of the plant, which is a structure known as a corm. Corms are not always as evident as that pictured; in younger plants a thickened base may be all that occurs. Seedlings have cotyledons that occur on petioles and are oval to elliptic in outline. Basal leaves occur on long petioles and are divided into three lobes. As the leaves mature, the central lobe occurs on its own stalk while the lateral lobes are attached directly to the main leaf petiole. Stem leaves are generally smaller than the basal leaves and are arranged alternately along the stem.

Buttercup
 

 

Wild thing
 

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