Fig 4

Selected saddle sub-morphotypes retrieved from the studied grasses. Light microscopic images (1-9) and scanning electron microscopic images (10-18). (Short thin saddle - 1.a Eragrostis coarctata, 1.b Chloris barbata, 1.c Myriostachya wightiana, 1.d Aeluropus lagopoides, 10.a Sporobolus spicatus, 10.b Chloris montana), (Short broad saddle - 2.a Eragrostis atrovirens, 2.b Eragrostis gangetica, 2.c Eleusine indica, 2.d Desmostachya bipinata, 11.a Dactyloctenium aegyptium, 11.b Cynodon dactylon), (Plateau thin saddle - 3.a Thyrsostachys siamensis, 3.b Chloris montana, 12. Sporobolus tremulus), (Plateau broad saddle - 4.a Bambusa wamin, 4.b Sporobolus diander, 13. Phragmites karka), (Long saddle gr.I – 5.a Bambusa vulgaris var. vittata, 5.b Thyrsostachys siamensis, 14. Bambusa ventricosa), (Long saddle gr. II – 6.a Bambusa tulda, 6.b Dendrocalamus giganteus, 15. Dinochloa maclellandii), (Long saddle gr. III – 7.a Bambusa oliveriana, 7.b Bambusa ventricosa, 16. Dendrocalamus giganteus), (Collapsed thin saddle - 8.a Bambusa ventricosa, 8.b Thyrsostachys siamensis, 8.c Bambusa vulgaris var. vittata, 17.a Bambusa tulda, 17.b Bambusa oliveriana), (Collapsed thin saddle 9.a Bambusa oliveriana, 9.b Bambusa wamin, 9.c Dendrocalamus giganteus, 18. Bambusa oliveriana