Apocynaceae

Styles connate above; plants with white yellow or orange latex ( latex exudes in a globule on top of the broken stem or stalk; ordinary sap does not form a globule) (includes Asclepiadaceae) Apocynaceae
Pollen consolidated into sac like pollinia, two pollina per anther; corona present
Corolla and corona not blue
Erect shrubs or herbs
Corolla reflexed at anthesis; more than 8 mm diam. Follicle smooth and elongated or ovoid and with spines. Leaves without glands at base of midvein
Follicles ovoid and covered with weak green spines. Corolla c. 10 mm diam., white, corona white Gomphocarpus
Follicles smooth and elongated. Corolla red and corona yellow. Asclepias