"In Fiji it is usually found near sea level.onīeaches and creek banks and in mangrove swamps" (Smith 1979 p. Near the sea or in brackish marshes, sometimes in mangrove regions" On Niue, "commonest on the more exposed south- andĮast-facing coasts" (Sykes, 1970 p. In Hawaii, "naturalized in coastal sites in shallow brackish water and onīrackish sands, often forming pure stands at sea level" (Wagner et al.,ġ999 p.
Marshy areas often found in, or bordering, taro pits" (Vander Velde, Islands, it is a "weedy plant forming dense patches near beaches and brackish [On Kwajalein} it is occasional to locally common in sunnyĬoastal areas" (Wagner & Steele, 1999 p. The Marshall Islands (many atolls), where it appears to be a modern naturalĪrrival. Micronesia it is found in nearly all the Micronesian archipelagoes, including Unintentional European introduction over most of its Pacific range. Habitat/ecology: "Salt grass is pantropical in distribution, but is likely to have been an Many occurrences throughout the Pacific region may be misidentified as Paspalum distichum.
for records of this closely related species. Caryopsis narrowly obovate, slightlyĬoncavo-convex, 2.5-3 mm long, subacute" (Wagner et al., 1999 pp. Transversely undulate, sometimes conspicuously so second lemma convex, usuallyģ-5-nerved, apex with a few short, stiff cilia, otherwise glabrous palea flat,Ġ-2-nerved, similar to lemma. Wide first glume rarely developed, second glume and first lemma equal, thin,ģ-7-nerved, the midnerve of both usually obscure, glabrous first lemma usually Scabrous spikelets pale, solitary, imbricate, oblong, 3-4.5 mm long, 1.2-1.5 mm Rachis naked at base, 1-2 (-2.5) mm wide, triangular, flexuous, margins minutely Usually spreading or reflexed at maturity, often subfalcate, 1.5-7.5 cm long, (-5), opposite or closely approximate, at first erect and appressed together, Sheath, apex attenuate, involute, base abruptly contracted. Uniform angle, 2.5-15 cm long, 3-8 mm wide at base, narrower than summit of The hairs sometimes up to 5 mm long blades usually stiff, ascending at an 0.5 mm long, with a ring of soft white hairs behind it,
Sheaths often keeled, with small auricles Usually shorter, usually grooved, ± branching, sterile culms with short,īroad, loose, often overlapping sheaths, and conspicuously distichous, stifflyĪscending blades, or bladeless. Spanish: gramón, grama de costa, grama de mar, gramilla, gramilla blancaĭescription: "Extensively creeping perennials, stoloniferous, often forming extensiveĬolonies, the stolons slender and wiry to stout and slightly fleshy Ĭulms slightly compressed, 2.5-5 (-10) dm long, glabrous, the flowering ones Maori (Cook Islands): mauku taatai, mauku vairākau non L.Įnglish: biscuit grass, knot grass, knottweed, salt grass, saltwater couch, saltwater paspalum, seashore grass, seashore paspalum, silt grass, swamp couch Other Latin names: Palspalum distichum sensu auct. Risk assessment results: High risk, score: 7 ( Go to the risk assessment) Primarily a threat at high elevations? no Paspalum vaginatum: info from PIER (PIER species info)Ĭlick on an image for links to BIGGER PICTURES
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