Leaf rachises unarmed or with curved prickles rarely to 5 mm .

叶轴无刺或具对5毫米很少弄弯皮刺。

Petiolules , leaflet blades , leaf rachises , and inflorescences villous .

小叶柄，小叶叶片，叶轴和开花具长柔毛。

Young branchlet apices and inflorescence rachises glabrous , or young branches sparsely pubescent .

幼小枝顶和花序轴无毛，或幼枝疏生短柔毛。

Leaf rachises , petiolules , leaflet blades , and inflorescence rachises villous .

叶轴，小叶柄，小叶叶片和花序轴具长柔毛。

Petiolules , leaflet blades , leaf rachises , and inflorescences not villous .

小叶柄，小叶叶片，叶轴和开花不具长柔毛。