Ipecacuanha
Ionidiums are rarely seen in cultivation. The species described below require greenhouse treatment, and a peat and loam compost. Cuttings of the shrubby sorts will root in sand, under a bell glass. The herbaceous species may be increased by divisions, or by seeds.
I. capense (Cape). fl. white; sepals acute, ciliated. Summer. l. alternate, obovate, obsoletely-toothed, pubescent. Stems shrubby, erect. h. 6in. to 12in. Cape of Good Hope, 1824.
I. Ipecacuanha (Ipecacuanha). fl. white; peduncles axillary, solitary, drooping; lower lip very large, emarginate. July. l. ovate-oblong. h. 1 1/2ft. South America, 1822. The roots of this species furnish what is termed White Ipecacuanha.
I. polygalaefolium (Polygala-leaved). fl. greenish-yellow or white; sepals ovate-oblong, acute, pubescent. Summer. l. opposite, lanceolate, rather entire. Stems shrubby, branched, diffuse, procumbent. h. 1ft. South America, 1797.