1	"Corolla tubes 9-12 mm long"	"Ecbolium barlerioides"
1	"Corollas tubes 20-35 mm long"	2
2	"Bracts 2-3 mm long, 1-2 mm wide"	"Ecbolium gymnostachym"
2	"Bracts much larger"	3
3	"Corollas pubescent; capsules pubescent; leaf blades attenuate to shortly cuneat at the base"	"Ecbolium viride"
3	"Corollas glabrous or almost so; capsules glabrous; leaf blades auriculate. More or less clasping the sem at the base"	"Ecbolium subcordatum"