Anisodus acutangulus

Anisodus (Solanaceae) comprises four species and three varieties, e.g. A. luridus, A. luridus var. fischerianus, A. acutangulus, A. acutangulus var. breviflorus, A. mairei, A. tanguticus, A. tanguticus var. viridulus. All of these are distributed in China, and only one (A. luridus) in Nepal, Bhutan, and India. They are perennial herbs or subshrubs. Stems are dichotomous or trichotomous; roots thick and fleshy; leaves simple, alternate or subopposite, entire or large-toothed, petiolate. Flowers solitary, axillary, lateral or between branches, usually pendulous. Calyx campanulate-funnel or funnel-shaped with ten veins, lobes four or five, with varying forms and length; Corolla campanulate with 15 veins, four to five lobed, imbricate. Stamens five, nearly equal length, anther ovate, introrse, longitudinally split, pistil a little longer than stamen, pyramid-shaped ovary. Capsila globose or nearly globose. All four species are raw material for the commercial production of various tropanes, of which scopolamine (also known as hyoscine) and hyoscyamine (atropine) are particularly important drugs. Two drugs are used as a remedy for stomach pains, fractures, rheumatic pains, arthritis, spamolysis etc.. Hyoscyamine has a Read more […]