Plants perennial. Culms to 200 cm, flexuous; nodes not swollen.
Basal sheaths closely overlapping, gaping at maturity, forming somewhat
flattened fans, glabrous, strongly glaucous; ligules 0.5-2 mm, truncate;
blades to 90 cm long, 6.5-15 mm wide. Inflorescences to 60 cm, nodding;
rames 10-25 mm; internodes and pedicels pilose on the margins
and dorsal surface. Sessile spikelets of heterogamous pairs 5-6 mm; lower
glumes shallowly concave below, flat distally, keels narrowly winged; upper
lemmas entire or bidentate, unawned or with a 1-2 mm awn. Pedicellate spikelets
4-4.5 mm, unawned. 2n = 40, 60.
Cymbopogon citratus is now known only in cultivation, even in Asia. Young
shoots are used as a spice, and the oils are extracted for lemon oil. It has been
grown in Florida.