Desmodium canadense, DC. (Meibomia canadensis, Ktze.)
Time of bloom: July to September.
Seed-time: Late August to November.
Range: New Brunswick to the Saskatchewan, southward to the
Carolinas and Oklahoma. Habitat: Woodland borders and thickets along streams.
Stem two to six feet tall, stout, erect, ridged and grooved, very hairy. Leaflets oblong-ovate, nearly smooth above, finely ap-pressed hairy beneath, obtuse, with numerous nearly straight veins; petioles very short, the uppermost leaves nearly sessile. Flowers in large panicled racemes, densely many-flowered, very showy; similar in form to the preceding species but much larger, each blossom more than a half-inch long, bluish purple or sometimes nearly white. Pods three- to five-seeded, slightly curved, the joints roundish triangular, covered with hooked hairs. (Fig. 174.) Means of control the same as for the Hoary Tick-trefoil.
Fig. 174. - Showy Tick-trefoil (Desmodium cana-dense). x1/6.
Fig. 175. - Bush Clover (Lespedeza violacea). X 1/3