| Apocynaceae Description Distribution A family of 300 genera and nearly 2000 species distributed in tropical and subtropical regions of both hemispheres, represented in Pakistan by 6 native genera (with 6 species) and 13 cultivated genera (with 20 species). Detailed DescriptionTrees, shrubs or twiners, sometimes herbs, with milky juice. Leaves opposite or whorled, rarely alternate or spiral, simple, entire, sometimes glandular on the entire midrib or at the base of the .midrib, stipulate or exstipulate. Inflorescence axillary or of terminal dichasial cymes or racemes. Flowers bisexual, regular, bracteate or apparently ebracteate. Calyx- (4-) |
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