1 . 毛白色

abaxial surface indumentum white or silvery - white , sometimes fawn , sometimes later developing a coppery sheen ;, 背面毛白色的或银白色 , 有时淡黄褐色 , 有时候过后发育成有铜色光泽;

1 . 毛被黑

indumentum dark orange to pale beige - brown ., 毛被黑的橙到淡色米黄色棕色.

1 . 背面毛

Leaf blade elliptic to lanceolate ; surface indumentum cinnamon ., 叶片椭圆形到披针形 ; 背面毛肉桂色.

1 . 毛被薄

surface gray to buff , indumentum thin , compacted and agglutinated ;, 背面银灰色到浅黄色 , 毛被薄, 紧密结合和粘结;