Monographs Details:
Authority:
Acevedo-RodrÃguez, Pedro & collaborators. 1996. Flora of St. John, U.S. Virgin Islands. Mem. New York Bot. Gard. 78: 1-581.
Acevedo-RodrÃguez, Pedro & collaborators. 1996. Flora of St. John, U.S. Virgin Islands. Mem. New York Bot. Gard. 78: 1-581.
Family:
Rubiaceae
Rubiaceae
Description:
Genus Description - Shrubs or small trees. Leaves opposite, 3 or 4 per node, petiolate or sessile; stipules interpetiolar, connate at base, bifid, persistent. Flowers bisexual, distylous, 4-5-merous, actinomorphic, sessile or pedicellate, in terminal or rarely axillary, panicles or corymbs; the axes generally reddish, orange, yellow, or bluish purple; bracteoles wanting; hypanthium short, cup-shaped to tubular; calyx lobed, toothed, or truncate at apex; corolla tubular, variously colored, but usually yellow, orange, or red, the tube straight or constricted, villous at base within, the lobes very short, valvate in bud; stamens 4-5, included or exserted, the filaments inserted at middle of corolla tube; ovary inferior, 2(-6)-carpellate, each carpel with a single ascendant or lateral ovule, the style filiform, the stigma bilobed. Fruit a fleshy drupe, with 2(-6) papery or leathery pyrenes, each containing a single seed.
Genus Description - Shrubs or small trees. Leaves opposite, 3 or 4 per node, petiolate or sessile; stipules interpetiolar, connate at base, bifid, persistent. Flowers bisexual, distylous, 4-5-merous, actinomorphic, sessile or pedicellate, in terminal or rarely axillary, panicles or corymbs; the axes generally reddish, orange, yellow, or bluish purple; bracteoles wanting; hypanthium short, cup-shaped to tubular; calyx lobed, toothed, or truncate at apex; corolla tubular, variously colored, but usually yellow, orange, or red, the tube straight or constricted, villous at base within, the lobes very short, valvate in bud; stamens 4-5, included or exserted, the filaments inserted at middle of corolla tube; ovary inferior, 2(-6)-carpellate, each carpel with a single ascendant or lateral ovule, the style filiform, the stigma bilobed. Fruit a fleshy drupe, with 2(-6) papery or leathery pyrenes, each containing a single seed.