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Etymology: Trifolium: from tres for three; folium for leaves
Plants: erect, annual/biennial, 8"-20" tall forb with many branches; stems with close hairs Leaves: palmately 3-parted; leaves stalked, all leaflets stalkless Flowers: yellow, 5-parted, 1/4" long, very short-stalked, keel (top petal) grooved, calyx 2-lipped; inflorescence a short cylindrical, stalked, head-like cluster from the upper leaf axils; blooms May-Sept. Habitat: disturbed sites Conservation Status: Introduced - naturalized |
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© Wisconsin State Herbarium, UW-Madison
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