6. Mazus pulchellus Hemsley in F. B. Forbes & Hemsley, J. Linn. Soc., Bot. 26: 182. 1890.
美丽通泉草 mei li tong quan cao
Mazus pulchellus var. primuliformis Bonati.
Perennials, ca. 20 cm tall, densely white or rusty pubescent, glabrescent. Roots fibrous, tufted. Rhizomes short. Leaves all basal, rosulate; leaf blade obovate-spatulate to oblong-spatulate, to 20 cm, papery, base tapering, margin incised-serrate, double serrate, or irregularly pinnately parted, apex rounded. Scapes 1-5, herbaceous, erect or ascending, simple or sparsely branched. Racemes lax, numerous flowered; bracts narrowly lanceolate, 2-5 mm. Pedicel slender, to 4 cm. Calyx campanulate, 5-7 mm; lobes much shorter than tube, narrowly ovate, apex acute, veins inconspicuous. Corolla red, purple, or dark violet, 2-2.5 cm; lower lip lobes sparsely fimbriate-toothed, middle lobe narrower and longer than lateral lobes; upper lip erect, short, lobes subrounded, margin fimbriate-toothed, apex truncate. Ovary glabrous. Capsule ovoid. Fl. and fr. Mar-Jun.
* Moist places in rocky crevices, forests; ca. 1600 m. W Hubei, SE Sichuan, SE Yunnan.