Botanical name: Petalidium barlerioides Family: Acanthaceae (Acanthus family)
Synonyms: Ruellia barlerioides, Ruellia bracteata
Nail Dye is a erect, up to 1-1.5 m tall, finely hairy shrublet with Barleria-like flowers. Leaves are carried on 4-10 mm long stalks. They are ovate, 5-10 x 4-6 cm, toothed, pointed to tapering. Flowers are pale-blue or white, 3.5-4.0 cm long, solitary, axillary or in small clusters. Bracts are absent, bracteoles are ovate, about 2.5 cm long, entire, long-pointed. Sepals are linear-subulate, erect, one a little longer and broader than the rest. Flower tube is cylindrical, hairy inside, limb lobes patent, obovate, blunt, minutely toothed. Ovary is ovoid, glandular above, style shortly hairy, longer than flower tube. Capsule is compressed, shortly stipitate, about 1.2 cm long, usually 2-seeded. Fl. Per.: January-April.
Identification credit: Navendu Pagé
The flower labeled Nail Dye is ...