1	"Fruit splitting into two indehiscent cocci; stems tetragonous, 1-2 mm thick; leaves up to 3.5 cm long"	"Hedyotis novoguineensis"
1	"Capsule indehiscent; stems rounded, 1.5-3.0 mm thick or if stems obtusely quadrangular, 2-4 mm thick; leaves longer than 4 cm"	2
2	"Capsule ellipsoid, 3.5-4 mm long, somewhat fleshy; leaves fleshy; capitate colleters present on margin of stipule-sheath; stems obtusely quadrangular"	"Hedyotis philippensis"
2	"Fruit globose, 1.5-2 mm diameter, not fleshy; leaves chartaceous fleshy; 1 -several setae up to 7 mm long on margin of stipule-sheath, stems terete"	3
3	"Leaf base obtuse to truncate; leaves smooth, shiny above; inflorescences shortly pedunculate; 1-3 glabrous setae on margin of stipule-sheath"	"Exallage radicans"
3	"Leaf base attenuate; leaves scabridulous at least along margin, dull above; inflorescences sessile dense flowered cymes; 3-9 scabrous setae on margin of stipule-sheath"	"Exallage lapeyrousei"