Grass Genera of the World - Dupontia R.Br. Grass Genera of the World L. Watson and M. J. Dallwitz Dupontia R.Br. Habit, vegetative morphology . Sheath margins joined .
Sheaths often purplish.
Reproductive organization . Spikelet-bearing axes persistent. Female-fertile spikelets . Hairy callus present, or absent. Fruit, embryo and seedling .