[Hedysarum triflorum L.]
(nat)
Prostrate, many-branched, slender herbs; stems 0.2-5 dm long. Leaves trifoliolate, leaflets broadly obovate or obcordate, terminal one 0.3-1.2 cm long, 0.3-1.1 cm wide, upper surface glabrous, lower surface appressed white pubescent at least along midrib, apex emarginate, petioles (0.2-)4-0.6(-0.7) cm long. Inflorescences leaf-opposed, fasciculate or rarely reduced racemose, 1-2(-5)-flowered, pedicels 3-8 mm long, pubescent; corolla pink to purplish, 3-4 mm long. Pods usually slightly curved upward, (1-)3-5(-7)-jointed, 0.6-1.7 cm long, 0.2-0.3 cm wide, pubescent with minute hooked hairs, articles nearly quadrate, 2-2.5 mm long. [2n = 18, 22.] Native to the Old World tropics and subtropics, now naturalized and widespread in tropical and subtropical regions of the world; in Hawai‘i naturalized and common in dry, disturbed sites near the coast and on dry slopes and lava flows, also in lawns, pastures, waste places, and along roadsides, 2-440 m, on all of the main islands except Niihau. First collected on 0‘ahu in 1864-1865 (Mann & Brigham 115, BISH).—Plate90.