Flaccid Leucas
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Flaccid Leucas
A Native Photo: S. Kasim
Common name: Flaccid Leucas • Mizo: Vate-khawizu • Santali: ᱫᱽᱷᱟᱱᱫᱽᱷᱩᱨᱩᱯᱟᱹᱨᱟ Dhandhurupara
Botanical name: Leucas decemdentata    Family: Lamiaceae (Mint family)
Synonyms: Leucas flaccida, Leucas javanica, Leucas mollissima

Flaccid Leucas is an annual herb, woody at base, up to 1.5 m tall, branches 4-gonous, covered with deflexed or deflexed and spreading hairs, glabrate or hairless to densely soft hairy. Leaves are opposite, 2-10 x 0.7-5 cm, ovate or ovate-lanceshaped, blunt or pointed, rounded, heart-shaped or wedge-shaped at base, rounded toothed-sawtoothed, membranous, hairless to bristly above, hairless or velvet-hairy to thinly bristly beneath; leaf-stalks up to 2.5 cm long. Flowers-whorls arise in leaf-axils, few to many-flowered, rather, rather dense; bracts 2-5 cm long, shorter than calyx, linear-subulate, velvet-hairy. Calyx-tube 5-8 mm long, tubular-bell-shaped, straight, ribbed, hairless to velvet-hairy outside as well as within, hairs often projecting like villi; mouth about 4 mm wide, flat, not dilated; true villi absent; teeth 10, up to 2 mm long, triangular-subulate. Flower-tube protruding, hairy outside in upper part; upper lip bearded with white hairs, shorter than lower. Nutlets about 1.5 x 0.5 mm, obovate-oblong, rugose or smooth, flat at top, greyish-brown. Flaccid Leucas is found in South India, Himalaya, Myanmar and Indo-China.

Identification credit: S. Kasim Photographed in Yelagiri, Tamil Nadu & Imphal, Manipur.

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