Pseuderanthemum variabile (R.Br.) Radlk.
Radlkofer, L.A.T. (1884) Sitzungsberichte der mathematisch-physikalischen Classe der k. b. Akademie der Wissenschaften zu München 13: 287.
Love Flower; Pastel Flower
Herb 15-100 cm tall. Stems clothed in pale hairs.
Flowers about 16-17 mm diam. Calyx about 4-5 mm long, the lobes linear to narrowly triangular, clothed in glandular hairs. Corolla tube about 12-16 x 1-1.5 mm, outer surface clothed in hairs and also the inner surface towards the base. Lobes dimorphic, the two smaller about 7 x 4 mm while the largest is about 10 x 6 mm and red or purple spotted on the inner surface. Anthers about 1.5 mm long, filaments about 2 mm long, attached to the throat of the corolla. Pollen white. Ovary about 1.5-2 mm long. Style about 10-15 mm long. Stigma bifid. Ovules 2 per locule.
Cotyledons almost orbicular, about 5-6 mm diam. First pair of leaves opposite, ovate or elliptic, sparsely hairy. At the tenth leaf stage: leaves +/- lanceolate, apex acute, base attenuate, petiole long and slender. Leaf blades sparsely clothed in short hairs. Roots rather thick, pale coloured. Seed germination time 16 days.