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Taiwan Gramineae | Family List | Poaceae | Paspalum

Paspalum vaginatum Sw., Prodr. Veg. Ind. Occ. 21. 1788; Hsu, Fl. Taiwan 5: 588. 1978.


Paspalum vaginatum

Credit: CC Hsu

Annuals; culm long creeping, stoloniferous, flowering culm 6-60 cm tall, nodes glabrous. Blade 2.5-15 cm long, 3-8 mm wide; sheath longer than internode, often keeled, margins membranaceous; ligule membranaceous, truncate, 0.5-1 mm long. Racemes usually 2, conjugate or closely approximate; rachis 1-2 mm wide, 3-angular, often zigzag. Spikelet solitary, imbricate, elliptic, 3.5-4 mm long; lower glume absent; upper glume and lower lemma equal, thin, weakly 5-veined; lower lemma often transversely undulate; upper lemma 2.5-3 mm long, slightly concave-convex, with a tuft of short hairs at apex; upper palea ca. 2/3 as long as upper lemma; anther ca. 1.5 mm long.

TAIPEI: Fukueichiao, Hsu 99. YUNLIN: Taihsi, Hsu 665. TAINAN: Anpin, Hsu 731. TAITUNG: Lanyu Is., Sasaki s. n.

Tropics and subtropics of the Old World. Taiwan, halophilous.


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