Caption: Rotala . A-D , R. occultiflora . A , inflorescence; B , fruiting node; C , bud with bracteole removed; D , bracteole and 2/5 of open flower (A-D , L.Craven 5560, CANB). E-G , R. rosea . E , fruiting branch; F , bud with bracteole displaced; G , bracteole and 1/5 of open flower (E-G , H.Reeve 249, DNA). H-J , R. diandra . H , flowering branch (G.Taylor 63, DNA); I , bud; J , bracteole and 1/2 of open flower (I-J , A.Wynn 102, CANB). K-M , R. rotundifolia . K , inflorescence; L , bud; M , bracteole and 1/4 of open flower (K-M , Pinjarra, Qld, T.Anderson, BRI). N-P , R. tripartita . N , fruiting branch; O , bud with bracteole displaced; P , bracteole and 1/3 of open flower (N-P , Miriam Vale, Qld, A.Dougall, BRI). Q-S , R. mexicana . Q , inflorescence; R , bud with bracteole displaced; S , bracteole and 1/5 of open flower (Q-S , R.Pullen 9033, CANB).Illustrators: H.Hewson.
Flora of Australia Volume 18 figure 31.