Hoya
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Authority
Acevedo-Rodríguez, Pedro. 2005. Vines and climbing plants of Puerto Rico and the Virgin Islands. Contr. U. S. Natl. Herb. 51: 1-483.
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Family
Apocynaceae
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Scientific Name
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Description
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Description - Twining vines or epiphytes, herbaceous or slightly woody, sometimes subshrubs, producing abundant milky latex. Leaves opposite; blades simple, fleshy, the upper surface with minute triangular glands where they join the petiole; intrapetiolar stipules minute or absent. Flowers usually numerous, in axillary, umbelliform, pedunculate or sessile racemes. Calyx of 5 free sepals that have a gland at the base on the inner surface; corolla rotate or campanulate, the tube short, cylindrical or urceolate, the petals fleshy or waxy; corona simple, with 5 horizontal segments adnate to the staminal tube; stamens 5, inserted at the base of the corolla, the filaments fused to a gynostegium, which is not markedly capitate, the anthers with a distal appendage; pollinium erect and solitary; ovary superior, bicarpellate, the stigma conical. Fruit of 2 slender follicles; seeds numerous, crowned with a tuft of long hairs. A genus of approximately 300 species, native to southern Asia, Malaysia, and Australia, some of which are cultivated as ornamentals throughout the tropics.