Drooping Leucas
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Drooping Leucas
A Native Photo: Thingnam Rajshree
Common name: Drooping Leucas
Botanical name: Leucas nutans    Family: Lamiaceae (Mint family)
Synonyms: Leucas decurva, Phlomis nutans

Drooping Leucas is an annual herb which is recognized by the prominent curved, hairy, ribbed sepal tube of the flowers. Calyx is about 1 cm long, tubular, prominently curved and almost reflexed in fruit, hairy in throat, with a somewhat oblique mouth, gland-dotted and with spreading eglandular hairs; teeth 10, unequal, narrow linear-lanceshaped, tapering mucronulate, longest teeth up to 2.5 mm. Flowers are white 1.0-1.2 cm; upper lip short bearded; lower lip clearly longer than upper. Inflorescence consists os 2-4, distant, whorled clusters, 1.5-2.5 cm in diameter, relatively lax, about 12-24-flowered. Bracts are narrow ovate-lanceshaped, tapering, equal to or somewhat shorter than calyces, fringed with hairs on margins. Stems are erect, 4-25 cm, unbranched or with few lateral branches, leafy, with spreading firm, eglandular hairs. Leaves are oblong-elliptic, wedge-shaped, nearly entire to slightly rounded toothed, 4 x 1 cm, with prostrate long eglandular hairs, gland-dotted; leaf-stalk on lower leaves up to 1 cm, nearly absent above. Nutlets are narrow oblong, scarcely trigonous, 2.5 x 1 mm, smooth. Drooping Leucas is found in the plains of Bangladesh, India, Myanmar, Pakistan and also in the Western Himalayas. Flowering: August-October.

Identification credit: Surajit Koley, Sunoj Kumar Photographed in JNU Campus, Delhi & Morni Hills, Haryana.

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