cluster-leaf tick-trefoil, pointed tick-trefoil
[Desmodium acuminatum (Michx.) DC., more...]
Etymology: Desmodium: Greek meaning "long branch or chain," probably from the shape and the way the seedpods attach
Plants: erect, perennial, 2'-5' tall forb; stems unbranched
Leaves: usually several 3-parted, long-stalked leaves bunched just below the flowere cluster; leaflets broadly oval
Flowers: pink, 5-parted, 1/4"-1/3" long, stalked; inflorescence a 4"-32" branched cluster (panicle) on a leafy stalk; blooms July-Aug.
Fruits: flat pod covered with clinging, hooked hairs and divided into 2 or 3 rounded triangular segments
Habitat: shade; dry; woods; in rich soil
Floristic Rating: Coefficient of Conservatism = 6 Atlas of the Wisconsin Prairie and Savanna Flora: by T.S. Cochrane & H.H. Iltis: habitat, distribution infomation / flowering and fruiting times USDA Plants Database: Federal Distribution and detailed information including photos Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key.
-calyx lobes rounded or triangular, much shorter that the tube
-inflorescence borne on a leafy stem (leaves crowded at the base of the peduncle)
-blade of terminal leaflet about as broad as long or broade
-pedicels < 1 cm even in fruit