Botanical name:Leucas diffusaFamily:Lamiaceae (Mint family)
Spreading Leucas is a prostrate or creeping herb, with
stem 4-angled, branching, trelling, up to 25 long, bristly.
Flower-whorls are few-flowered, less than 2 cm in diameter, solitary,
at branch-ends. Bracts are 3-5 mm long, linear, stiff, fringed with
hairs with long stiff hairs, slightly shorter than calyx. Calyx-tube is
5-6 mm long, tubular, straight or slightly curved, ribbed in upper
part, bristly with bristly hairs above or hairless with age; mouth
flat; villi as long as calyx-teeth or shorter; teeth 10, 1-1.5 mm long,
erect, nearly equal, triangular. Upper lip of flower is bearded with
white hairs, shorter than lower. Leaves are opposite, elliptic to
lanceshaped to inverted-lanceshaped, 1.7-2.5 x 0.5-0.8 cm,
wedge-shaped, narrowed at base, entire at margin, bolbothrix hairy,
pointed at tip, bristly; nerves obscure; leaf-stalk very short. Nutlets
are about 2.5 mm long, oblong, rounded at top, smooth, greyish-brown.
Spreading Leucas is endemic to Southern Western Ghats.
Flowering: October-December.
Identification credit: S. Kasim
Photographed in Palayamkottai, Tamil Nadu.
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The flower labeled Spreading Leucas is ...