What is Xiao Zhongzhi Ma?

Sesamum microphyllum of Sesamum of Labiatae is used as medicine. Herbs annual, with roots and sometimes tuberous roots. Stem height 10-60cm, quadrangular, grooved, densely covered with yellow hairs. The leaves are ovoid, ovoid, oblong to broadly lanceolate, long 1.5-4cm, wide 1. 1-2.2cm, blunt to acute at the top, broadly wedge-shaped at the base, with rounded teeth at the edge, grassy, olive green, with dense cilia, and pale and yellow at the back. The petiole is 5- 15 mm long. Cymes of 2-4 flowers; Bracts are very small, linear, about 6 mm long, caducous; Calyx is tubular bell-shaped, about 65438 0.5 cm long and about 0.7 cm in diameter. The outer surface is densely hairy, the calyx teeth are lanceolate, 4-6mm long, and the top is gradually pointed like an awn. Corolla pink, about 2. 1cm long, with white fluff on the outside, especially the upper lip. The lower part of the inner surface of the crown tube has a hairy ring, and the crown brim is two-lipped. The upper lip is long 1. 1cm, obovate, and the base gradually narrows. The lower lip is about 8mm long and 9mm wide, with 3 leaves, a larger middle leaf and similar side lobes. Staminal filaments flat, glabrous, anthers purple, glabrous; Style filiform, unequally 2-lobed at the top; Disk cup-shaped; Ovary glabrous. Nutlets are triangular obovoid, about 2.65438 0 mm long, 0.9 mm in diameter, and truncated at the top. Flowering from March to May; The fruiting period is after June. Born in a sparse forest.