Stamina. Filamentum unicum, capillare, squama amenti longius. Anthera didyma.
* Feminei flores in eadem arbore.
Calyx. Amentum ovato-cylindricum; squamis ovatis, acutis, carinatis, ciliatis.
Corolla nulla.
Pistillum. Germen minutum. Stylus filiformis, longus, exsertus, bifidus. Stigmata duo.
Pericarpium. Strobilus squamis bivalvibus, perpendiculariter dehiscentibus.
Semina solitaria, conica, margine membranacea.
* Male flowers.
Empalement. Catkin thread-shape, tiled with small one-flowered scales.
Blossom. Scales two-parted, ovate, minute.