Kunze ex Desv., Poaceae |
Present on Pacific Islands? yes
Primarily a threat at high elevations? yes
Other Latin names: Paspalum cumingii Nees ex Steud.; Paspalum pachyrrhizum Steud.; Paspalum paradisiacum Steud.
Habit: grass
Description: "Perennial. Rhizomes short. Culms 60-80 cm long. Culm-internodes distally glabrous. Leaf-sheaths pilose. Ligule an eciliate membrane; 3-5 mm long; brown. Leaf-blades 6-20 cm long; 3-10 mm wide. Leaf-blade surface glabrous; hairless except near base. Inflorescence composed of racemes. Racemes 5-8; borne along a central axis; unilateral; 3-6 cm long. Central inflorescence axis 8 cm long. Rhachis wingless. Spikelet packing abaxial; 4 -rowed. Raceme-bases brief; pilose. Spikelets in pairs. Fertile spikelets pedicelled. Pedicels unequal. Fertile spikelets: Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; plano-convex; acute; 2-2.8 mm long; falling entire. Glumes one the lower absent or obscure; reaching apex of florets; thinner than fertile lemma. Upper glume ovate; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume margins ciliate. Upper glume apex obtuse. Florets: Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; elliptic; 1 length of spikelet; membranous; 5 -veined; glabrous, or puberulous; ciliate on margins; obtuse. Fertile lemma elliptic, or ovate; 2-2.8 mm long; indurate; pallid; without keel. Lemma margins involute. Palea involute; indurate. Flower: Anthers 3. Caryopsis with adherent pericarp" (GrassBase).
Habitat/ecology: (no habitat/ecology info known by PIER)
Propagation: Seed
Native range: Argentina and Chile (GRIN).
Presence:
Pacific | |||
Country/Terr./St. & Island group |
Location |
Cited status &
Cited as invasive & Cited as cultivated & Cited as aboriginal introduction? |
Reference &
Comments |
Chile (offshore islands)
Juan Fernández Islands |
Isla Más a Tierra (Robinson Crusoe Island) |
introduced
invasive |
Atkinson, Rachel/Sawyer, John (2011) |
Chile (offshore islands)
Juan Fernández Islands |
Isla Más a Tierra (Robinson Crusoe Island) |
introduced
invasive |
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (p. 556) |
Pacific Rim | |||
Country/Terr./St. & Island group |
Location |
Cited status &
Cited as invasive & Cited as cultivated & Cited as aboriginal introduction? |
Reference &
Comments |
South America (Pacific rim)
South America (Pacific rim) |
Chile (Republic of) |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
Control: If you know of control methods for Paspalum dasypleurum, please let us know.