Leaf blade narrowly ovate to lanceolate; stipules (2-)3-4) times as long as wide; male flowers pubescent; female spikes or panicles less than 30 cm.

• 叶片狭卵形到披针形；托叶(2-)3-4)调节宽的倍于；雄花短柔毛；雌性穗状花序或圆锥花序不到30厘米(2