Grass Genera of the World - Trachys Pers. Grass Genera of the World L. Watson and M. J. Dallwitz Trachys Pers. Including Trachyozus Reichenb., Trachystachys Dietr. Habit, vegetative morphology .
Culm nodes hairy.
Reproductive organization . The involucres shed with the fertile spikelets. Female-fertile spikelets . Rachilla terminated by a female-fertile floret. Hairy callus absent.