1. Leaves ovate to elliptic-ovate, 2-4. 5 cm, base rounded, margin
inconspicuously denticulate to subentire.
卵形叶卵形的到椭圆形,2-4。5厘米,基部圆形,边缘不明显具小齿到近全缘。
2. Branchlets unarmed or with sparse, minute prickles. Leaf margin undulate or
inconspicuously lobed; lobes obtuse, rarely acute.
小枝非武装或者有稀少,微小刺。叶缘波状的或不明显浅裂;裂片钝,很少锐尖。
3. Leaf blades oblong or obovate, abaxially glaucescent green, glabrous, margin entire or
inconspicuously 3-lobed apically. Follicles glabrous, rarely slightly pilose.
叶片长圆形或倒卵形,背面带白霜绿色,无毛,3浅裂的边缘全缘或不明显。无毛的蓇葖果,很少稍具柔毛。