Kalistroemia glabrata

Kalistroemia glabrata Rydberg, sp. nov
Annual ; stem branched at the base, decumbent, 2-3 dm. long, finely pilose; stipules subulate, 2-3 mm. long; leaves 1-3 cm. long; petioles 3-5 mm. long; leaflets 2-3 pairs, obliquely oval or suborbicular, 3-12 mm. long, slightly ciliate on the margins, otherwise glabrous or nearly so at least in age, thin ; peduncles 5-15 mm. long, in fruit somewhat curved ; sepals subulate, 2-3 mm. long, hirsute ; petals obovate, about 3 mm. long, apparently white ; fruit strigose ; beak 2 mm. long, columnar, not thickened at the base; carpels 3 mm. long, cross-ridged on the back and with obtuse tubercles.
Tvpe collected at Acapulco and vicinity, October, 1894, to March, 1895, Palmer 131 (U. S. Nat. Herb.).
Distribution : Known only from the type locality.