Apocynum

Synonyms: Jijima, zebra, vase grass, wild tea

Source: Apocynum plant of the family Apocynaceae Whole plant

Plant form: perennial herb, 1 to 2 meters high, the whole plant contains latex. Stem erect, hairless. The leaves are opposite, oval or oblong-lanceolate, 2 to 5 cm long, 0.5 to 1.5 cm wide, with a round or wedge-shaped base and a blunt apex. With spines extending from the midrib. The edges are slightly recurved, smooth and hairless; the petiole is short. Cymes are born on the stem ends or branches; the bracts are small, membranous, lanceolate, with a pointed apex; the calyx is 5-lobed, and the lobes are lanceolate or triangular-ovate, about 2 mm long, covered with short hairs: the corolla is pink. Color or light purple, bell-shaped, lower part tubular, 5-lobed at the upper end, there are 5 sub-corollas at the base inside the corolla; there are nectaries on the edge of the disk; 5 stamens with lobed anther holes; 1 pistil with 2-lobed stigma. green. The follicles are horn-shaped, yellowish brown with purple halo when ripe, 10 to 15 cm long and 3 to 4 mm in diameter. When mature, they will split along the thick veins and release the seeds. There are many seeds, yellowish brown, similar to date pit shape, with clusters of white slender hairs on the top. The flowering period is from June to July. The fruiting period is from August to September (Northwest and Northeast).

Grows in sandy textures on river banks, ravines, and hillsides. Distributed in Liaoning, Jilin, Inner Mongolia, Gansu, Xinjiang, Shaanxi, Shanxi, Shandong, Henan, Hebei, Jiangsu and northern Anhui.

Drug efficacy: ① Antihypertensive effect ② Cardiotonic effect ③ Effect on experimental heart disease

Clinical application: ① Treatment of hypertension ② Treatment of heart failure ③ Treatment of edema

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