(Retz.) Veldkamp, Poaceae |
Present on Pacific Islands? yes
Primarily a threat at high elevations? no
Other Latin names: Panicum flavidum Retz.; Paspalidium flavidum (Retz.) A. Camus
Common name(s): [more details]
Chinese: lei que bai |
Habit: grass
Description: "Habit: Perennial; caespitose. Culms erect, or geniculately ascending; 30-100 cm long. Culm-nodes glabrous. Ligule a fringe of hairs. Leaf-blades 5-20 cm long; 4-8 mm wide. Inflorescence composed of racemes. Racemes 4-9; borne along a central axis; distant; appressed; unilateral; 1-3 cm long. Central inflorescence axis 15-30 cm long. Rhachis narrowly winged; angular; terminating in a barren extension; extension flattened. Spikelet packing abaxial; crowded; regular; 2 -rowed. Spikelets spreading; solitary. Fertile spikelets sessile. Fertile spikelets: Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; gibbous; acute; 2.5-3 mm long; falling entire. Glumes similar; shorter than spikelet; thinner than fertile lemma. Lower glume orbicular; 0.33-0.66 times length of spikelet; membranous; without keels; 3 -veined. Lower glume apex obtuse. Upper glume orbicular; 0.66-0.75 times length of spikelet; cartilaginous; without keels; 7 -veined. Upper glume apex obtuse. Florets: Basal sterile florets male; with palea. Lemma of lower sterile floret ovate; 1 times length of spikelet; cartilaginous; 5 -veined; obtuse. Fertile lemma ovate; laterally compressed; gibbous; 2.5-3 mm long; indurate; without keel. Lemma surface granulose and striate. Lemma margins involute. Lemma apex acute. Palea reflexed at apex; indurate. Flower: Anthers 3; 2-2.2 mm long" (GrassBase).
Habitat/ecology: In China (native), "roadsides, field edges, moist open places; 100-1500 m" (Flora of China online).
Propagation: Seed
Native range: Mauritius; Reunion, China, southern and southeastern Asia, Australia (Queensland) and the Solomon Islands (GRIN).
Presence:
Pacific | |||
Country/Terr./St. & Island group |
Location |
Cited status &
Cited as invasive & Cited as cultivated & Cited as aboriginal introduction? |
Reference &
Comments |
Federated States of Micronesia
Chuuk Islands |
Weno (Moen) Island |
introduced
|
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 53) |
Guam
Guam Island |
Guam Island |
introduced
|
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 53) |
Philippines
Philippine Islands |
Philippine Islands |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
Solomon Islands
Solomon Islands |
Solomon 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) |
Queensland |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
Cambodia
Cambodia |
Cambodia (Kingdom of) |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
China
China |
China (People's Republic of) |
native
|
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
As Paspalidium flavidum (Retzius) A. Camus. Guangdong, Guizhou, Hainan, Yunnan. |
Indonesia
Indonesia |
Indonesia (Republic of) |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
Malaysia
Malaysia |
Malaysia (country of) |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
Taiwan
Taiwan Island |
Taiwan Island |
native
|
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
As Paspalidium flavidum (Retzius) A. Camus |
Thailand
Thailand |
Thailand (Kingdom of) |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
Vietnam
Vietnam |
Vietnam (Socialist Republic of) |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
Indian Ocean | |||
Country/Terr./St. & Island group |
Location |
Cited status &
Cited as invasive & Cited as cultivated & Cited as aboriginal introduction? |
Reference &
Comments |
La Réunion (France)
La Réunion Island |
La Réunion Island |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
Mauritius
Mautitius Islands (Mauritius and Rodrigues) |
Mauritius Island |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
Control: If you know of control methods for Setaria flavida, please let us know.