普香蒲 pu xiang pu

Stems 1.3-2.2 m tall, stout at base. Leaves 80-100 cm × 5-13 mm, abaxially convex, transverse section semilunate or rarely semicircular. Male part of spikes with 1 or 2 deciduous bracts, axis with brown hairs; female part of spikes separated from male part, 8-20 cm, ca. 2.5 cm in diam., with 1 bract at base. Female flowers without bracteoles; ovary obconic; stalk 3.5-4.5 mm, slender; styles 2-4 mm; stigmas linear, ca. 1 mm; hairs on stalk shorter than style. Fruit fusiform. Fl. and fr. Jun-Sep.

● Shallow rivers or swamps. Heilongjiang, Jilin, Liaoning.