![]() ![]() Catálogo de Plantas y Líquenes de Colombia.South America: Mesoamericana, Caribbean, northern South America, western South America, Brazil, and southern South America. North America: south-central USA, southeast USA, and Mexico. Pacific: southwestern, south-central, northwestern, and north-central. Asia-tropical: India, Indo-China, Malesia, and Papuasia. Asia-temperate: Arabia, China, and eastern Asia. Africa: Macaronesia, west tropical, west-central tropical, northeast tropical, east tropical, southern tropical, south, and western Indian ocean. Palea involute indurate.Įurope: southwestern and southeastern. Fertile lemma ovate 2.5 mm long indurate pallid without keel. Lemma of lower sterile floret similar to upper glume elliptic 1 length of spikelet membranous 2-3 -veined acute. Morphology Reproductive morphology Flowers Floretsīasal sterile florets barren without significant palea. Upper glume elliptic 1 length of spikelet membranous without keels 2-3 -veined. Lower glume when present ovate 0.1-0.2 length of spikelet hyaline 0 -veined. Glumes both absent or obscure, or two (rarely) reaching apex of florets thinner than fertile lemma. Morphology Reproductive morphology Inflorescences Bracts Glume Spikelets elliptic, or ovate dorsally compressed compressed strongly plano-convex acute 3-4.5 mm long falling entire. Spikelets comprising 1 basal sterile florets 1 fertile florets without rhachilla extension. Spikelet packing abaxial regular 2 -rowed. Rhachis narrowly winged angular 1-2 mm wide. Racemes 2(-5) paired, or digitate unilateral 1.5-7.5 cm long. Leaf-blades flat, or convolute 2.5-15 cm long 3-8 mm wide. Throughout the tropics, extending into subtropical regions long, markedly flattened, usually pale brownish green lower glume very rarely present as a tiny scale upper glume and lower lemma as long as the spikelet, thinly papery, glabrous, the midnerve commonly suppressed upper lemma smooth, pallid at maturity.Ĭoastal salt marshes, but sometimes also in inland marshes 0–1000 m. Spikelets narrowly ovate-elliptic, 3–4.5 mm. Morphology Reproductive morphology Inflorescences Spikelets long, the spikelets borne singly in 2 rows on a winged rhachis 1–2 mm. Inflorescence composed of 2(–5) conjugate racemes, each raceme 1.5–7.5 cm. Morphology Reproductive morphology Inflorescences Stoloniferous perennial, extensively creeping culms 8–60 cm. ![]()
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