11 December 1989.
Laos
Locality: Vientiane Municipality Naxaythong Phang Heng
Coordinates: Vientiane Municipality Naxaythong Phang Heng18.0000, 102.6667
(Map it)
Elevation: 60m.
District: Naxaythong;
Drainage: Poor;
Freq: Occasional;
Fund: Irri;
Herb: Yes;
Prov: Vientiane Municipality;
Samp_Method: Random;
Seed_File: Yes;
Site: Depression;
Soil_Text: Clay;
Topo: Plain Level;
Awn_Strength: Soft;
Breedsys: Outcrossing;
Deg_Graze: 25% Grazed;
Deg_Introg: No Introgression;
Dist_To_Sat: <= 20 M;
Grlt: 7.6;
Growth_Stage: Seed Shed;
Grth: 1.5;
Grwd: 2;
Pop_Comp: Heterogeneous;
Pop_Fert: Few Seeds Available From Most Plants (5-10%);
Pop_Size: 200;
Ratoon: Many;
Seed_Prod: Low;
Shade: Open;
Spp_Diver: Few Predominant Species (3-5) (Weedy Habitat);
Water_Depth: 1
Donator(s):