East-Asian Eranthemum
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East-Asian Eranthemum
P Native Photo: Preetha P.S.
Common name: East-Asian Eranthemum
Botanical name: Pseuderanthemum crenulatum    Family: Acanthaceae (Acanthus family)
Synonyms: Eranthemum crenulatum, Eranthemum blumei, Eranthemum diantherum

East-Asian Eranthemum is a subshrub or shrub, up to 3 m tall. Flowers are borne in densely flowered thyrses 3-10 cm long. Flower are white or light purplish, 3.5-4.5 cm, outside finely and sparingly velvet-hairy with gland-tipped trichomes. Flower-tube is 2.5-3.5 cm; lower lip 3-lobed, lobes oblong and about 1 cm; upper lip 2-lobed to middle. Stamens are slightly protruding; filaments about 3 mm, hairless. Flower-stalks are 1-3 mm, velvet-hairy. Sepal-cup is 4-5 mm; sepals linear-lanceshaped, densely velvet-hairy. Bracts are triangular, about 7 x 3 mm, bracteoles subulate, 3-4 x about 1.5 mm, brown woolly. Stems are blackish brown, nearly round, velvet-hairy. Leaf-stalks are 1-4 cm, finely velvet-hairy; leaf blade ovate-elliptic to oblong-lanceshaped, 5-15 x 3-5.5 cm, below light green and velvet-hairy along veins, above slightly velvet-hairy, secondary veins about 7 on each side of midvein, base wedge-shaped, margin entire, tip pointed to tapering. Capsule is club-shaped, about 2.5 cm. East-Asian Eranthemum is found in forests, thickets at altitudes of 200-1700 m, in NE India to SE Asia. Flowering: April-June.

Identification credit: Preetha P.S. Photographed in Kollam, Kerala.

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