Sparrow coffin grass loropetalum, perennial herbaceous vine, up to 8 m. The whole plant with latex; stem lower lignified, upper more flexible, with longitudinal stripes, young leaves densely pubescent, the hairs gradually fall off when old. Leaves opposite, membranous; petiole 3-6cm long, apex with tufted glands; leaf blade ovate-cordate, 5-12cm long, 4-7cm wide, selective end short acuminate, base cordate, auricles rounded, 1-2cm long, green above, flourish-green below, glabrous on both surfaces; lateral veins 10-12 inches, slightly conspicuous on the back of the leaf. Racemose cymes visceral or visceral exogamous; pedicels 6-12 cm, pubescent; pedicels ca. 8 mm, pubescent; bracteoles membranous, lanceolate, apex acuminate hall of justice; calyx lobes lanceolate, outside puberulent; corolla white, with light purplish-red mottling, nearly rotate; corolla upper, short 5-lobed, lobes cucullate; stamens connate into a conical form and enclosing the stamens in which pollinia are pendulous; ovary composed of 2 Ovary composed of 2 free carpels, the opercular head extending into a long pyramid, apex 2-lobed. Fruit forked, fusiform to hammer-shaped, smooth and glabrous, 8-9 cm long, apex acuminate, base expanded. Seeds flattened, brown, with membranous margins, apex with white silky seed hairs. Flowering in July-August, fruiting in September-December.

Shouwu, also known as He Shouwu, red and white, medicinal use for the tuberous roots of red shouwu. Wild Shouwu grows extremely slowly, Song "Kai Bao Ben Cao" recorded: "He Shouwu to Xiluo Songshan for victory." Songshan has a lot of wild He Shouwu, also known as Songshan Shouwu. Bitter, sweet, astringent, slightly warm. Liver, kidney. Tonifying essence and blood, intercepting malaria, detoxifying, laxative. [2]

Perennial twining herb. Roots slender, ending in fat tubers, reddish brown to dark brown in appearance. Stem base slightly woody, hollow. Leaves alternate, long-petiolate, leaf blade narrowly ovate or cordate, 4-8 cm long, 2.5-5 cm wide, apex acuminate, base cordate or aristate, entire or slightly undulate, dark green above, light green below, both surfaces smooth and glabrous. Stipules membranous, sheathlike, brown, clasping, 5 to 7 mm long. Flowers small, ca. 2 mm in diam., numerous, densely clustered into large panicles, pedicels articulate, base with membranous bracts; perianth greenish-white, petaloid, 5-lobed, lobes obovate, unequal in size, the outer 3 segments winged on the back; stamens 8, shorter than perianth; pistil 1, ovary triangular, style short, stigma 3-lobed, capitate. Achenes ellipsoid, 3-angled, 2-3.5 mm long, shiny black, covered with persistent perianth, which becomes conspicuously 3-winged, brown at maturity. Fl. Oct. Fruiting in November.