Ghannoum, OulaConroy, Jann PDriscoll, SimonPaul, Matthew JFoyer, ChristineLawlor, David W2015-12-132015-12-130028-646Xhttp://hdl.handle.net/1885/76369• Here, the contribution of stomatal and nonstomatal factors to photosynthetic inhibition under water stress in four tropical C4 grasses was investigated (Panicum coloratum, Bothriochloa bladhii, Cenchrus ciliaris and Astrebla lappacea). • Plants wereKeywords: C4 plant; drought; grass; inhibition; photosynthesis; stomata; Astrebla lappacea; Bothriochloa bladhii; Cenchrus ciliaris; Panicum coloratum; Poaceae C4 photosynthesis; chla fluorescence; Drought; O2 evolution; Stomatal and metabolic inhibition200310.1046/j.1469-8137.2003.00835.x2015-12-11