1	"Lower glume of sessile spikelet with a sub-apical arch of long cilia"	2
1	"Lower glume of sessile spikelet without a ciliate sub-apical arch"	3
2	"Sessile spikelet 5-6 mm long; pedicelled spikelet male"	"Dichanthium setosum"
2	"Sessile spikelet 3-4.5 mm long; pedicelled spikelet sterile"	"Dichanthium sericeum"
3	"Racemes usually 2 or more and pedunculate; glumes hairy to some degree"	4
3	"Racemes usually single, if 2 or more then sessile; glumes glabrous or sparsely hairy"	7
4	"Lower glume of sessile spikelet ±obovate"	5
4	"Lower glume of sessile spikelet ±oblong"	6
5	"Peduncles glabrous"	"Dichanthium caricosum"
5	"Peduncles covered with downy hairs"	"Dichanthium aristatum"
6	"Spikelets at least 4.5 mm long, acute; pedicelled spikelet male; stigmas distinctly protruding at maturity"	"Dichanthium fecundum"
6	"Spikelets to 4 mm long, obtuse to truncate; pedicelled spikelet sterile; stigmas not distinctly protruding at maturity"	"Dichanthium annulatum"
7	"Racemes up to 6cm long; sessile spikelets 3-4 mm long"	"Dichanthium tenue"
7	"Racemes more than 6cm long; sessile spikelets 6-8 mm long"	"Dichanthium queenslandicum"