Oxypetalum
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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
Description - Twining, herbaceous vines or subshrubs, with abundant milky latex. Leaves opposite, small, petiolate; blades simple, glandular at the union of the petiole with the upper surface; stipules interpetiolar. minute. Flowers small, produced in axillary or terminal, umbelliform, sessile or pedunculate cymes. Calyx of 5 sepals, with or without glands at the base on the inner surface; corolla campanulate, the petals usually elongate; corona of 5 segments adnate to the corolla or free from it; stamens 5, inserted at the base of the corolla, the filaments connate at the base, forming a short tube; pollinium solitary, pendulous; stigma usually bifid. Fruit of 1-2 follicles, commonly ovate or ventricose, ribbed or winged, with numerous ovate or elliptical seeds, marginally dentate, with a tuft of hairs at the apex. A genus of about 100 species, distributed in the subtropics and temperate zones of the New World.