Tocoyena
(said to be the name of this plant in Guiana). SYN. Ucriana. ORD. Rubiaceae. A genus comprising about eight species of erect, glabrous or tomentose, stove shrubs, natives of Brazil and Guiana. Flowers white or yellow, showy, cymose, sub-sessile; calyx five-toothed, persistent; corolla funnel-shaped, the tube slender, the throat naked; limb of five spreading, obtuse, contorted lobes; stamens five, inserted in the throat of the corolla; peduncles short and thick. Berry, oblong, many-seeded. Leaves opposite or nearly so, shortly petiolate, ovate or lanceolate; stipules small, acute. T. longiflora, the only species known to cultivation, thrives in fibry peat, with the addition of a little lumpy loam, sand, and charcoal. It may be multiplied by cuttings of half-ripened shoots, inserted in sand, under a glass, in heat, during May.
T. longiflora (long-flowered). fl. sub-sessile, aggregated; calyx tube turbinate; corolla 8in. to 9in. long, the tube yellow, the limb white. l. lanceolate-oblong, acuminate at both ends, glabrous, 1ft. long, 4in. to 5in. broad; stipules triangular. Stem tetragonal, very simple. h. 6ft. Guiana, 1826. (A. G. 50.)