1 "Corolla tube and throat glabrous externally, together more than 25 mm long; lobes c. 15 mm long. Pedicel c. 14-15 mm long. (Lord Howe Island)" "Pseuderanthemum pelagicum" 1 "Corolla tube and throat pubescent extemally, together less than 25 mm long; lobes 5-11 mm long. Pedicel 1-8 mm long" 2 2 "Opposite leaves unequal in size. Leaves ovate. Erect spre,ading shrub with white flowers, these without markings on the abaxial lobe. Flowers in short axillary racemes in the upper axils" "Pseuderanthemum tenellum" 2 "Opposite leaves equal in size. Leave ovate, linear-lanceolate or extremely narrow-linear. Erect or creeping herb with white, pink or mauve flowers, sometimes with deep purple spots or blotches on the abaxial or anterior lobe. Flowers in terminal racemes, sometimes with clustered axillary flowers as well, rarely with the latter only" "Pseuderanthemum variabile"