Petiole more than 15 mm; leaf blade base rounded; apex acute or apiculate. Corolla lobes 7, entire; stigma ca. 2 mm in diam.

• 叶柄超过15毫米；叶片基部圆形；先端锐尖的或具细尖。花冠裂片7，全缘；柱头直径约2毫米