Abaxial midvein of leaf pubescent with yellowish or yellow crisped trichomes. Flower buds conical at maturity. Filaments shorter than petals. Ovary pubescent with spreading trichomes.

• 叶背面中脉短柔毛具淡黄或黄色皱波状的毛状体。圆锥状的花芽成熟时。花丝短于花瓣。子房短柔毛具平展的毛状体。