Leucas wightiana Wall. ex Benth., Pl. Asiat. Rar. 1: 60 1830. (Syn: Leucas aspera var. wightiana (Wall. ex Benth.) Benth.); W. & S. India as per WCSP; Erect, annual herbs, profusely branched, 15-35 cm high; branches 4-gonous, scabrid or hirsute with deflexed-appressed hairs. Leaves subsessile, 3-8 x 0.2-1 cm, linear, obtuse, entire or obscurely distantly serrulate, flat or revolute at margins, decurrent at base, scabrid above, hairy beneath, chartaceous. Flower-whorls 3-6, upto 12- flowered, small, 1-1.5 cm in diam., axillary, often closely arranged upwards forming short spikes. Bracts 4-6 mm long, linear, slender, slightly shorter or about as long as calyx, ciliate. Calyx-tube 6-7 mm long, tubular, straight, not constricted above the nutlets, prominently 10 or 11-nerved upwards, hispid outside; mouth widely oblique, produced above, hairy within; villi shorter than teeth; teeth 10 or 11, triangular, sharply pointed, hirsute, upper ones longest, upto 1.5 mm long. Corolla-tube included, annulate within; lips almost equal, upper one 2-3 mm long, bearded with white hairs; lower lip broad, deflexed. Filaments bearded near apex; anthers connivent, dorsifixed, orange-red. Disc slightly 4-lobed. Nutlets ca 3 mm long, trigonous, with a small basal scar, brown, greyish hairy. Flowering and fruiting: September-November In the plains Western Ghats (endemic) (Attributions- Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi from India Biodiversity Portal) Sharing the pictures of Leucas wightiana from Tiruvannamalai dt., TN. This is a rare and endemic species. Thanks, ..., for a new addition. Pl. check comparative images at The image of Leucas species from Alwar kuruchi area of Tamilnadu is that of Leucas wightiana. One question. Can I use some of the images in e-flora for personal use (for presentation, comparing in publication etc.) Thanks, ... Yes, you can use them for personal purposes. But for publications etc., you need to take permission from the poster/ owner. Pl. let me know. I will try to help in the process. References: Catalogue of Life The Plant List Ver.1.1 WCSP IPNI India Biodiversity Portal IBIS Flora Kerala plants An Excursion Flora of Central Tamilnadu, India By K. M. Matthew (1995- details) |