3、Fruit pyriform; leaf blade abaxially densely gray or yellowish gray tomentose.
2、Fruits ellipsoidal,1.2-1.8 cm long, tomentose, main ridge with corky wing.
4、Inflorescence terminal, racemose-umbellate，4-6- flowered； corolla funnel-campanulate,4.5 cm long, pink,5- lobed, lobes rounded emarginated; stamens10-12,2-3 cm long, filaments sparsely tomentose on lower half; ovary stellate-tomentose, style5 cm, with a few glands at base.
1、genus of tomentose tropical African herbs with milky sap.
