The staminate flower is subtended by two leaf-like bracts. 150–200 stamens spirally arranged along the spike axis and the phyllome are located at the base of the spike axis.
雄花外侧是苞片， 每朵雄花上着生150–200个雄蕊， 花轴基部着生少数退化的叶原体。
2
Vigorous growth, erect phyllome with tough petioles, tolerance to shipping, bolting resistance, suitable for summer cultivation in cool area, about 30 days from sowing to harvesting.