Herbs erect. Stems 9-40 cm tall, much branched from base or unbranched, white pilose. Petiole 3-5 mm, sparsely pubescent; leaf blade linear-oblong to linear-lanceolate, 1.3-2.8(-3.3) cm × 2-4(-7) mm, sparsely pubescent, impressed brown glandular, adaxially olive green, abaxially greenish, base attenuate to cuneate, margin remotely shallow serrate, apex acuminate to acute. Racemes terminal, capitate, 1-3 cm; bracts overlapping, rarely lax, circular-obovate, 4-7 × 3.5 mm, pilose, abaxially impressed glandular, ciliate, palmately 5-veined from base, margin entire, apex caudate. Pedicel sparsely pubescent. Calyx ca. 3 × 1.6 mm, white lanate, glandular, white lanate beyond throat inside, glabrous below throat; teeth 5, subulate, ca. 2/3 as long as calyx. Corolla purple-red, reddish, to white, ca. 5 mm, slightly longer than bracts, puberulent outside, sparsely puberulent on tube below lower lip inside, otherwise glabrous. Stamens included. Pistil included. Nutlets gray-brown, globose, ca. 1.2 mm in diam., glabrous, pitted with small depressions. Fl. Jun-Sep, fr. Jul-Nov.
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A herb. It grows 9-40 cm tall. The stems have white hairs. The leaves are narrow and 1-3 cm long by 2-4 mm wide. The flowers are in groups at the top. They are purple to red.
Virgin wilds and roadsides. Grassy slopes and forests from sea level to 1400 metres in Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan and Sichuan provinces.
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It is a subtropical plant. It grows on grassy slopes from sea level to 1,400 m above sea level in southern China. In Sichuan.
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