Macrocnemum
(from makros, long, and kneme, a leg; in reference to the long flower-stalks). SYN. Lasionema. ORD. Rubiaceae. A genus comprising about nine species of stove trees and shrubs, inhabiting tropical America and the West Indies. Flowers white or pink, in axillary and terminal panicles; pedicels bracteolate; corolla funnel-shaped or salver-formed; tube sub-elongate. Leaves opposite, petiolate. The only species yet introduced is the one here described. For culture, see Catesbaea.
M. jamaicense (Jamaica). fl. greenish-white, scented; corymbs on long peduncles. l. oblong-oval, petiolate, polished. h. 10ft. to 15ft., or sometimes a tree 30ft. high. Jamaica, 1806.