Pacific Island Ecosystems at Risk (PIER)

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Panicum polygonatum
Schrad., Poaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Panicum boliviense Hack.

Common name(s): [more details]

English: Bolivian panicgrass

Habit:  grass

Description:  "Perennial; culms slender, widely decumbent-spreading, branching, the nodes pubescent, rooting at the lower nodes, the internodes usually rather short; sheaths shorter than the internodes, glabrous, the margins ciliate; ligule about 0.3 mm long, membranaceous, erose; blades rather thin, cordate, mostly 5-8 cm long, 5-10 mm (rarely 15 mm) wide, glabrous or sparsely pilose; panicles 6-15 cm long, the usually numerous branches ascending, the branchlets appressed or spreading, mostly on the lower side of the branches; spikelets 1.5 mm long, glabrous" (Swallen, 1955; p. 258).

Description from GrassBase.

Habitat/ecology:  In Guatemala, "moist river banks, lake shores, and openings in forests; sometimes a week in cultivated places" (Swallen, 1955; p. 258).

Propagation:  Seed

Native range:  Southern Mexico to Paraguay (Swallen, 1955; p. 258).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Ecuador (Galápagos Islands)
San Cristóbal Group
San Cristóbal Island introduced
invasive
Charles Darwin Foundation (2008)
Collected in survey, herbarium record pending.
Ecuador (Galápagos Islands)
Santa Cruz Group
Santa Cruz Island introduced
invasive
Charles Darwin Foundation (2008)
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Colombia
Colombia
Colombia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Costa Rica
Costa Rica
Costa Rica (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Ecuador (Mainland)
Ecuador
Ecuador (Republic of) (continental) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
El Salvador
El Salvador
El Salvador (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Guatemala
Guatemala
Guatemala (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Honduras
Honduras
Honduras (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Mexico
Mexico
Mexico (United Mexican States) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Nicaragua
Nicaragua
Nicaragua (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Panama
Panama
Panama (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Perú
Perú
Perú (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)


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This page was created on 14 JUN 2004 and was last updated on 30 NOV 2008.