羽叶二药藻 yu ye er yao zao

Diplanthera pinifolia Miki, Bot. Mag. (Tokyo) 46: 787. 1932.

Internodes of rhizome 1-3 cm. Scales ovate, membranous. Leaves narrowly linear, 2-8 cm × 0.5-0.8 mm, veins 3, midvein conspicuous, lateral teeth inconspicuous, apex truncate or obtuse; sheaths 1-1.4(-2.8) cm. Flowers small. Peduncle of male flowers ca. 1 cm; anthers ca. 0.5 mm, sometimes with scales at base. Style of female flowers lateral, ca. 1.3 mm. Fruitlet ovoid, ca. 2 mm; beak lateral, ca. 1 mm.

Marine. Hainan, Taiwan [India, Indonesia, Japan (including Ryukyu Islands), Malaysia, Myanmar, Philippines, Sri Lanka, Vietnam; Australia].