round-headed bush-clover, round-headed lespedeza
[Lespedeza bicknellii House, Lespedeza capitata var. longifolia Michx., Lespedeza capitata var. sericea Michx., Lespedeza capitata var. stenophylla Michx., Lespedeza capitata var. velutina Michx., Lespedeza capitata var. vulgaris Michx., Lespedeza longifolia DC., Lespedeza velutina E.P.Bicknell]
Etymology: Lespedeza: after Cespedez, Spanish governor of east Flordia in late 18th century
Plants: slender, erect perennial, 2'-4' tall forb with dense, fine hairs; stems usually unbranched or with a few branches toward the top
Leaves: 3-parted, mostly oval, pointing upward on very short stalk
Flowers: cream with a pinkish throat, 5-parted, 3/8" long; inflorescence a rounded, dense cluster (head) of crowded, stalkless flowers turning dark brown when mature; blooms July-Sept.
Habitat: full to partial sun; dry to moderate moisture; prairies, woods; in sandy, loamy, gravelly soil