Etymology: Trifolium: from tres for three; folium for leaves
Plants: erect, annual, 4"-16" tall forb with many branches; stems softly hairy
Leaves: 3-parted with narrowly-oblong leaflets, stalks 1/3" long
Flowers: whitish to pink, 5-parted, 1/4" long, stalkless, calyx 2-lipped; inflorescence a 1" dense, fuzzy, oval to cylindrical, stalked head; blooms May-Sept.
Habitat: dry; disturbed sites; in sandy, light soil
Conservation Status: Introduced - naturalized

USDA Plants Database: Federal Distribution and detailed information including photos USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. David G. Smith's "Delaware Wilflowers": Beautiful photographs; descriptions