Plant monoecious : staminate flowers on obovoid or club - shaped stiff spikes , 1 . 5 - 2 cm long ; pistilate flowers in a dense globose head 雌雄同株：雄花序倒卵形或棒状，长1 . 5 - 2厘米；雌花序圆头状。
2.
Fruit an aggregate , spicate , 10 - 12 cm long ; follicles long ellipsoid , obovoid or ovoid , apex obtuse or abruptly mucronate 聚合果长10 - 12厘米，穗状； ? ?长圆形、倒卵形或卵形，顶端圆钝或具短凸尖。
