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
Erect shrubs or herbs
Corolla not reflexed at anthesis; up to 6 mm diam. Follicle smooth ovoid to elongated. Leaves with glands at base of midvein Marsdenia
Flowers in compound umbels often exceeding the leaves. Leaves elliptic to oblong-elliptic, obtuse or shortly acuminate, pale and slightly yellowish underneath, 4–10 cm long. Corolla nearly rotate, c. 3 mm diam., glabrous inside. Stigmatic head short, obtuse. Fruit slender, acuminate, 5 cm long. Tall twiner, ± softly pubescent except the upper surface of the leaves. Widespread. In or near RF. Fl. summer Marsdenia flavescens
Flowers in simple umbels on short peduncles. Corolla ± urceolate or campanulate