Pacific Island Ecosystems at Risk (PIER)

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Panicum bisulcatum
Thunb., Poaceae
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Present on Pacific Islands?  no

Primarily a threat at high elevations?  no

Common name(s): [more details]

Chinese: kang ji

English: blackseed panic, chaff panic, Japanese panicgrass

Habit:  grass

Description:  "Annual, semi-aquatic, decumbent, rooting at the nodes, up to ca 80 cm tall; culms often branching, nodes glabrous.  Leaf sheaths glabrous except for few cilia on one margin upwards; ligules membranous, less than 1 mm long; leaf blades linear, narrowed upwards, apex acute or acuminate, margin flat, 2-15 cm x 0.4-1.3 cm, ± scabrous.  Panicles spreading, up to 20 cm long, primary branches up to 10 cm long, pedicels 0.5-5 mm long, spikelets 2.5-3 mm long; lower glume ca 1/2 as long as spikelets, 3-5-nerved, upper glume ca as long as spikelet, 5-nerved; lower floret sterile, lemma ± as long as upper glume, 5-nerved, palea absent; upper floret bisexual, lemma smooth and shining, margins embracing palea, ca 2 mm long, palea ca as long as lemma" (Stanley & Ross, 1989; vol. 1, p. 192).

Description from GrassBase.

Habitat/ecology:  Along edges of streams (Stanley & Ross, 1989; vol. 1, p. 192).

Propagation:  Seed

Native range:  Asia, Australia, Malesia (GRIN)

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Philippines
Philippine Islands
Philippine Islands native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
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)
Australia (continental) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
China
China
China (People's Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Indonesia
Indonesia
Indonesia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Celebes
Japan
Japan
Japan (country) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Vietnam
Vietnam
Vietnam (Socialist Republic of)   Waterhouse, D. F. (1993) (pp. 67, 78)


Need more info? Have questions? Comments? Information to contribute? Contact PIER! (pier@hear.org)

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This page was created on 30 MAY 2005 and was last updated on 30 NOV 2008.