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Abaxial surface of leaves and inflorescences sparsely procumbent pubescent .

叶背面和花序疏生平卧的短柔毛。

Abaxial surface of leaves densely white or brown tomentose .

浓密的叶背面白色的或棕色绒毛。

Abaxial surface of leaves glabrous or puberulent on veins .

叶背面无毛或具微柔毛在脉上。

Inflorescences and abaxial surface of calyx subglabrous or sparsely hairy .

花序和背面花萼近无毛或疏生毛。

Abaxial surface of leaves conspicuously hairy when mature .

显著有毛的叶背面成熟时。