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FOC | Family List | FOC Vol. 23 | Cymodoceaceae | Syringodium

1. Syringodium isoetifolium (Ascherson) Dandy, J. Bot. 77: 116. 1939.

针叶藻 zhen ye zao

Cymodocea isoetifolia Ascherson, Sitzungsber. Ges. Naturf. Freunde Berlin, 3. 1867; Phucagrostis isoetifolia (Ascherson) Kuntze; Phycoschoenus isoetifolius (Ascherson) Nakai.

Creeping rhizomes slender, each node with 1-3 roots. Scales ca. 5 mm. Leaves 7-10(-30) cm × 1-2 mm; sheaths 1.5-4 cm, ligule obtuse. Cymes 2.5-5 cm, enclosed in sheath of a reduced leaf. Peduncles of male flowers ca. 7 mm; anthers ovoid, ca. 4 mm. Ovary 3-4 mm; style ca. 2 mm; stigmas 4-8 mm. Fruitlet obliquely obovoid, ca. 4 mm; beak ca. 2 mm, apical.

Marine shallow sandy bottoms. Dongsha Qundao, SW Guangdong (Naozhou Dao) [India, Indonesia (Java), Malaysia, Myanmar, Philippines, Sri Lanka, Vietnam; Africa, Australia; tropical areas from W Pacific Ocean and its marginal seas to Indian Ocean].


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