名称状态：被SP2000收录，状态为：Sparganium natans为接受名
科属名称：Typhaceae(香蒲科)  黑三棱属
中文名：矮黑三棱
形态描述：Stems slightly prostate or rarely erect, to 20 cm, slender. Leaves aerial or floating, 20-25 cm × ca. 4 mm, flattened. Spikes or racemes 2-3.5 cm; male heads 1(or 2); female heads 2(or 3), lowest one sometimes pedunculate. Male flowers: perianth segments ca. 1.5 mm, lobate at apex; filaments ca. 2 mm; anthers oblong, ca. 1 mm. Female flowers: perianth segments spatulate, ca. 2 mm, lobate to parted at apex; ovary lanceolate, with or without short stalk; styles short; stigmas ca. 1 mm. Fruit broadly lanceolate. Fl. and fr. Jul-Sep. 2n = 30.
国内分布：黑龙江、内蒙古、四川