Monographs Details:
Authority:
Acevedo-RodrÃguez, Pedro. 2005. Vines and climbing plants of Puerto Rico and the Virgin Islands. Contr. U. S. Natl. Herb. 51: 1-483.
Acevedo-RodrÃguez, Pedro. 2005. Vines and climbing plants of Puerto Rico and the Virgin Islands. Contr. U. S. Natl. Herb. 51: 1-483.
Family:
Apocynaceae
Apocynaceae
Description:
Description - Herbaceous or slightly woody vines, twining, with abundant milky latex. Leaves opposite, petiolate; blades simple, the upper surface with minute triangular glands where they join the petiole; intrapetiolar stipules minute. Flowers in axillary, umbelliform, or racemose, pedunculate or subsessile cymes. Calyx of 5 elongated sepals, with a gland at the base on the inner surface; corolla rotate or subcampanulate, sometimes forming a short tube at the base, the petals linear, oblong, lanceolate, or rounded; corona with a single series of lobes; stamens 5, inserted at the base of the corolla, the filaments connate at the base to form a short tube, the anthers with a fleshy dorsal appendage, pollinia horizontal or pendulous; ovary superior, bicarpellate, the stigma 5-angled, depressed. Fruit of 1 angular or winged follicle; seeds numerous, crowned with a tuft of long hairs. A genus of approximately 100 species, mostly native to Mexico and Central America, with several species in the Antilles.
Description - Herbaceous or slightly woody vines, twining, with abundant milky latex. Leaves opposite, petiolate; blades simple, the upper surface with minute triangular glands where they join the petiole; intrapetiolar stipules minute. Flowers in axillary, umbelliform, or racemose, pedunculate or subsessile cymes. Calyx of 5 elongated sepals, with a gland at the base on the inner surface; corolla rotate or subcampanulate, sometimes forming a short tube at the base, the petals linear, oblong, lanceolate, or rounded; corona with a single series of lobes; stamens 5, inserted at the base of the corolla, the filaments connate at the base to form a short tube, the anthers with a fleshy dorsal appendage, pollinia horizontal or pendulous; ovary superior, bicarpellate, the stigma 5-angled, depressed. Fruit of 1 angular or winged follicle; seeds numerous, crowned with a tuft of long hairs. A genus of approximately 100 species, mostly native to Mexico and Central America, with several species in the Antilles.