Revised November 2009

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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, corn (Ranunculus arvensis)

Winter annual broadleaf

ButtercupButtercup
An erect winter annual with distinctive yellow buttercup flowers. Leaves consist of both basal and stem leaves (cauline). Basal leaves occur on long petioles, are spatulate in outline, and have toothed margins. Stem leaves are dissected into three-parted linear segments that are about 3 mm in length and 5 mm in width, and are without petioles. Stem leaves are usually without hairs but can also be sparsely hairy. Flowers are yellow with five sepals 3 to 5 mm long and five petals 4 to 6.5 mm long.

Buttercup

IPM1007, revised November 2009

Wild thing
 

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