1	"Corolla 4-lobed; leaves simple"	"Vitex lignum-vitae"
1	"Corolla 5-lobed; leaves compound (1-foliolate in V. rotundifolia)"	2
2	"Leaves densely hairy below or on both surfaces"	3
2	"Leaves glabrous excepting a few hairs on nerves"	6
3	"Procumbent shrub on sandy sea-shores; stem creeping, rooting at nodes; leaves mostly 1-foliolate, rotund or rotund-obovate, pubescent-tomentulose all over, usually smile, sometimes with a petiole 1-5 (-10) mm long (Qld, N.T., W.A. & extra Austral.)"	"Vitex rotundifolia"
3	"Erect shrubs or small trees along the coast or inland; stems neither creeping nor rooting at nodes; leaves mostly 3-5-foliolate, sometimes 1-2-foliolate; leaflets lanceolate, elliptic-lanceolate, ovate or oblanceolate, glabrescent or greyish-velutinous above, petiolate, petiole 10-60 mm long"	4
4	"Leaflets greyish-velutinous all over; ovary vinous at the top, not glandular (north W.A.)"	"Vitex velutinifolia"
4	"Leaflets glabrescent above, greyish-tomentose or pubescent beneath; ovary glabrous, glandular"	5
5	"Leaflets narrow-lanceolate, rostrate-acuminate, narrowing towards the base, mostly up to 2 cm broad; lateral nerves on ventral surface hidden by dense indumentum; fruit 3-4 mm diameter (west Qld)"	"Vitex benthamiana"
5	"Leaflets oblong-elliptic, ovate-lanceolate or oblanc,eolate, up to 5 cm broad; lateral nerves on ventral surface distinct; fruit 4-6 mm diameter (north-east N.S.W., Qld, N.T., W.A. & extra Austral.)"	"Vitex trifolia"
6	"Inflorescence axillary towards the ends of branches; cymes lax, arranged in a dichotomously branched thyrse; calyx and corolla not glandular outside; filaments glandular, villous towards the base"	7
6	"Inflorescence terminal; cymes arranged in a pyramidal thyrse; calyx and corolla glandular outside; filaments not glandular, glabrous in the upper half, villous towards the base"	8
7	"Leaflets broadly elliptic or subrotund, obtuse or retuse, obliquely rounded at the base; ovary glabrous (west Qld, N.T., W.A. & extra Austral.)"	"Vitex glabrata"
7	"Leaflets narrowly elliptic-lanceolate, narrowing towards both ends; ovary vinous at the top (north Qld & extra Austral.)"	"Vitex helogiton"
8	"Leaflets dark-brown to orange-brown when dry, densely glandular-dotted underneath; calyx brownish when mature and dry; ovary glandular and hairy at the top (Qld)"	"Vitex melicopea"
8	"Leaflets greenish-grey or dull brownish-grey when dry, not glandular; calyx dull brownish-grey when mature and dry; ovary not glandular, glabrous (north Qld, N.T. & W.A )"	"Vitex acuminata"