Stems angled, reclining, 2 to 6 feet long from a perennial root, armed with recurved prickles. Leaves broadly hastate, long petioled, 1 to 8 inches long, pubescent or glabrous beneath, the apex and basal lobes sharp pointed; petioles and larger nerves prickly; peduncles and pedicels glandular; ocreae oblique, fringed at the summit with short bristles and at the base with slender prickles. Flowers in terminal and axillary heads or racemes, rose-colored or greenish, four parted. Stamens six; style two-parted.

In moist or wet soil and thickets, New Brunswick and Ontario to Minnesota, south to Georgia. Flowering from July to September.

Memoir 15 N. Y. State Museum

Plate 48

Halberd Leaved Tearthumb

Halberd-Leaved Tearthumb - Tracaulon arifolium