英语语法分析

It differs in the smaller size of all parts and rufous scabrous tomentum.

它在全株各部分较小和红棕色的粗糙的绒毛层的方面不同。

Peduncles with sparse arachnoid tomentum when young, then gradually falling off.

幼时的花序梗具具稀疏蛛丝状毛，然后逐渐从上落下。

Branchlets with sparse woolly tomentum; abaxial veins of leaves with white hairs and with sparse arachnoid tomentum.

有稀少似羊毛的绒毛层的小枝；叶背面脉具白色的毛和具具稀疏蛛丝状毛。