Herbs stoloniferous, 30-80 cm tall. Stolons slender. Stems dark purple, sparsely pilose. Stolon leaves short petiolate, broadly elliptic to subcircular, 2-6 × 2-4 mm, margin remotely obtuse serrate; stem leaves short petiolate or subsessile, lanceolate to elliptic, 1.3-2.6 cm × 3-7 mm, finely pilose on veins, densely impressed glandular abaxially, base attenuate, margin shallowly serrate to crenate-serrate, apex acuminate. Spikes solitary, terminal, cylindric, 2.5-4 × to 1.8 cm in flower; bracts densely overlapping, broadly flabellate, 6-8 mm wide, scarious, united at base into a cup, apex mucronate to obtuse, conspicuously veined, purplish. Calyx tubular, 3.5-4 mm, pilose and glandular outside, glabrous inside; teeth lanceolate, ca. 1/3 as long as calyx. Corolla rose-purple, 1-1.2 cm, pilose and glandular outside, glabrous inside; tube funnelform, throat to 2.5 mm wide; upper lip emarginate; middle lobe of lower lip erose, lateral lobes entire. Nutlets brown-black, oblong, ca. 1.5 mm, smooth. Fl. and fr. Oct-Dec.
Near villages, field margins, streamsides, marshes; at elevations from 1,200-2,400 metres.
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