Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

English: pitted bluegrass, red grass, redleg grass

Habit:  grass

Description:  "Tufted, erect, up to 2 m tall; culms unbranched or branched, nodes glabrous.  Leaf sheaths glabrous or with few tubercular-based hairs; ligules ca 0.75-1.5 long; leaf blades linear, apex attenuate, up to ca 35 cm x 0.2-0.6 cm, glabrous or with sparse tubercular-based hairs.  Racemes 3-5, subdigitate, 2-7 cm long, joints and pedicels with long brownish white hairs; sessile spikelet ca 5 mm long with densely bearded callus at base, lower glume as long as spikelet, pilose on back in lower part, scabrid on nerves, usually pitted above middle, upper glume ca as long as spikelet, lower floret with lemma ca 3/5 as long as spikelet, upper floret with lemma ca 2 mm long, with geniculate awn ca 1.5-2.2 cm long, palea absent; pedicellate spikelet reduced to lower glume, 2.5-4 mm long" (Stanley & Ross, 1989; vol. 3, pp. 256-257).

Description from GrassBase.

Habitat/ecology:  In New Caledonia, "commun en végétation secondaire" (MacKee, 1994; p. 57).

Propagation:  Seed

Native range:  Australia (Global Compendium of Weeds).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
New Caledonia New Caledonia	New Caledonia Islands	introduced invasive	Gargominy, Oliver/Bouchet, Philipe/Pascal, Michel/Jaffre, Tanguy/Tourneu, Jean-Christophe (1996) (p. 380) Commune en formations secondaires.
New Caledonia New Caledonia	New Caledonia Islands	introduced invasive	MacKee, H. S. (1994) (p. 57) Voucher cited: Sarlin 27 s.loc.

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Australia Australia (continental)	New South Wales	native	National Herbarium of New South Wales (2013) var. decipiens
Australia Australia (continental)	Australia (continental)	native	National Herbarium of New South Wales (2013) Victoria
Australia Australia (continental)	Queensland	native	National Herbarium of New South Wales (2013)

Control:  If you know of control methods for Bothriochloa decipiens, please let us know.