Knoxia
(named after R. Knox, a traveller, and resident in Ceylon). SYN. Cuncea. ORD. Rubiaceae. A genus containing six or eight species of hirsute, glabrous, or pubescent, stove evergreen herbs or sub-shrubs, natives of the whole of India, Java, China, the Philippine Islands, and tropical Australia. Flowers rose or lilac, small, in terminal, sessile, or pedunculate cymes; corolla salver or funnel-shaped, with lanceolate segments and a hairy throat. Leaves opposite or sub-fasciculate in the axils, petiolate, ovate, or lanceolate. The species thrive in a compost of peat and loam. Cuttings of young shoots will root in sand, during April or May, if placed under a glass, in a gentle heat. The species described below is the only one in cultivation. K. corymbosa (corymbose). fl. white or purplish. Summer. l. lanceolate, villous. Stem cylindric or obscurely four-angled, dichotomously branched. h. 2ft. to 3ft. India, 1820. A slender, erect annual.