Botanical name: Gymnostachyum latifolium var. decurrens Family: Acanthaceae (Acanthus family)
Winged-Stalk Gymnostachyum is a subshrub up to 80 cm tall, stem erect subquadrangular. Leaves are simple, opposite, 7.5-18 x 5-15 cm. broadly ovate, pointed at tip, tapering at base and forming a wing on the long leaf-stalk. Lateral nerves are 10-14 pairs, equally spaced. Flowers are borne in leaf-axils, in racemes or panicles; bracteoles 2 mm long, lanceshaped. Calyx is 6 mm long, spals 5, linear, pointed. Flowers are 2.5 cm long, blue, yellow at the tip of petals, 2-lipped, upper lip 8 mm long, 2-lobed; lower lip 3 parted to the base. Stamens are 2, protruding, hairless. Capsules are 2 cm long, linear, striped; seeds about 24, nearly round, hairy when wet. Winged-Stalk Gymnostachyum is found in Southern Western Ghats, particularly Kerala. Flowering: November-December.
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The flower labeled Winged-Stalk Gymnostachyum is ...