A slender, perennial herb with prostrate, hispid-hairy, slightly branched, wiry stems;lea sessile, in a whorl, two of each whorl larger than others, oblong, 0.8-1.5cm long,0.3cm broad, obtuse or rounded at apex, glabrous or slightly scabrid, fleshy and palerbeneath; flowers violet, irregular, solitary and axillary, bisexual, sessile, surroundedby 4 pairs of decussiole spinous bracts supported by a pair of tiny bracteoles outsidein some flowers; bracteoles ovate, 2mm long, 1.5mm broad, hairy with a single spineat the apex 3 outer pairs of bracts obovate, chartaceous, hairy, veined with longspreading spines at the margin in the upper part, the outermost pair 3mm long, 2mmbroad, the next pair inner to it 4mm long and 2.5mm broad, the 3rd pair 6mm longand 3mm broad, the innermost 4th pair boat-shaped, or oblong-ovate membranous,veined, 6mm long, 2.5mm broad, ciliated with a solitary, terminal spine; sepals 4 intwo pairs, membranous, linear or linear-oblong, apiculate and hairy, the outer pairlarger 9mm long, 2-2.7mm broad, one being 2-veined and the other 2-\eined and bitidat apex, the inner pair linear 8.5mm long, 1.2mm broad, 1-veined; corolla 1cm long,the upper portion tubular inflated without an upper lip, lower lip obovate, as long asbroad, 3-lobed at apex and hairy; stamens 4, epipetalous in two pairs; filaments short,the lower pair borne oil stout cylindrical appendages; anther stout, 1.5mm long,basifixed with a tuft of hair at the apex; capsule small, 0.6cm long, completelyenclosed in persistent sepals and bracts, ovoid, compressed, smooth, loculicidallydehiscent with 2 compressed, hairy seeds inside. Flowers during February and March.(Sri Lanka)