Morinda officinalis, a Chinese medicine name. It is the dried root of Morinda officinalis How, a plant of the Rubiaceae family. It can be dug up all year round, washed, the fibrous roots removed, dried in the sun until 60% to 70% dry, gently flattened, and dried in the sun. It grows by valley streams, under sparse forests in mountains, or is cultivated. It is distributed in Fujian, Guangdong, Hainan, Guangxi and other places. It has the effects of tonifying kidney yang, strengthening tendons and bones, and removing rheumatism. It is often used for impotence and spermatorrhea, uterine coldness and infertility, irregular menstruation, cold pain in the lower abdomen, rheumatic pain, and weakness of tendons and bones.
Morinda officinalis is a vine plant. The roots are fleshy, cylindrical, irregularly and intermittently swollen, and bead-like. The stems have fine longitudinal ridges and are covered with brown coarse hairs when young. Leaves are opposite; petiole is 4-8mm long, with brown coarse hairs; blade is oblong, 3-13cm long, 1.5-5cm wide, with short acuminate tip, obtuse or rounded base, entire margin, dark green above, often with canthus color when young, and with sparse short coarse hairs; smooth and glabrous when old, with short coarse hairs along the midrib below, short eyelashes on the leaf margin, 6-7 pairs of lateral veins; stipules are membranous and sheath-like. Inflorescence is capitate, with 2-10 flowers, growing at the top of branchlets or in umbels in thermal power plants; peduncle is 3-10mm long, with dirty yellow short coarse hairs; calyx is obconical, with irregular tooth fissures at the tip; corolla is white, fleshy, up to 7mm long, the throat of the corolla tube is contracted, the inner surface is densely covered with short coarse hairs, most of them are 3-deeply split, less often 14-lobed; stamens have the same number of flower lobes. Born near the base of the corolla tube, with short filaments; the ovary is inferior, 4-chambered, with a slender style, 2-parted, hidden in the corolla. The drupe is nearly spherical, 6-11mm in diameter, and red when ripe. There are 4 seeds in the small pit, which are nearly ovate or obovate, with a raised back and flat sides, covered with short white hairs. The flowering period is from April to July, and the fruiting period is.
Morinda officinalis grows by valley streams, under sparse forests in mountains, or is cultivated, and is distributed in Fujian, Guangdong, Hainan, Guangxi and other places.
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