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FOC | Family List | FOC Vol. 23 | Cymodoceaceae

2. Halodule Endlicher, Gen. Pl. 1368. 1841.

二药藻属 er yao zao shu

Diplanthera Thouars (1806), not Gleditsch (1764).

Rhizomes branched, rooting at nodes. Shoots erect, with 2 scales at base. Leaves 1-4, alternate, flattened, linear, 3-veined, margin toothed at apex; sheaths compressed, auriculate, ligulate. Flowers solitary and terminal, enclosed in a leaf. Male flowers consisting of 2 unequally inserted anthers, without filament; pollen filiform. Female flowers subsessile; style simple. Fruitlet laterally subcompressed, with bony pericarp, beaked.

About seven species: throughout most tropical regions; two species in China.

1 Leaf apex trifid, lateral teeth conspicuous, leaves 0.8-1.4 mm wide; styles 3-4 mm, apical.   1 H. uninervis
+ Leaf apex truncate or obtuse, lateral teeth inconspicuous, leaves 0.5-0.8 mm wide; styles ca. 1.3 mm, lateral.   2 H. pinifolia

Lower Taxa


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