Common name: Elongated Chiretta, Elongated False-Waterwillow
Botanical name:Andrographis productaFamily:Acanthaceae (Acanthus family) Synonyms: Andrographis neesiana var. producta
Elongated Chiretta is an erect subshrub,
1.2-1.5 m tall. Leaves are oppositely arranged, 4-14 x 1.5-5 cm,
elliptic, lanceshaped, narrowed at base, pointed at tip, hairless.
Lateral nerves are 4-10 pairs, stalks 3-6 mm long. Flowers are borne in
panicle-like racems in leaf axils or at branch ends. Peduncle is
trichotomously branched, with glandular and velvety hairs. Bracts are
lanceshaped, elliptic, pointed, 0.5-1.5 x 0.1-0.4 cm. Calyx is 5-lobed,
lanceolate, filaments, 3-5 mm long, with glandular hairs on the outer
surface. Flower-tube is 6-8 x about 2 mm, white with pink lines,
2-lipped. Upper lip is 5-7 x 2 mm, lower lip 3-lobed, 5-8 mm long,
about 3 mm wide, dark purple spots on the lower lip, outer surface
pubescent and glandular hairy. Stamens are 2, filaments 1-1.2 cm long,
membranous, white, with pink lines, hirsute; anthers 2-3 mm long,
bearded at the base, closely arranged. Ovary 2-6 mm long, dark red.
Style is 1.5-2 cm long, velvety, stigma simple. Seed-pods are 2-2.5 cm
long, 2-4 mm thick, surface with glandular hairs, tip pointed, seeds
6-12, ovoid, hairless. Elongated Chiretta is endemic to
Western Ghats. Flowering: September-February.
Identification credit: Udayan Punnakkal
Photographed in Thadiyandamol, Karnataka & Munnar, Kerala.
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The flower labeled Elongated Chiretta is ...