疏毛白绒草

Leucas mollissima Wall. var. chinensis Benth. in DC. Prods. 12: 525. 1848; Kudo in Mem. Fac. Sci. Agr. Taihku Univ, 2: 207. 1929; Hand. -Mazz. Symb. Sin 7: 923. 1936——Leucas mollissima auct non Wall. : Benth. Fl. Hongk. 279. 1861; Hemsl. in Journ. Linn, Soc. Bot. 26: 304. 1890; Henry in Trans. Asiat. Soc. Japan 24: Suppl. 73, 1896; Diels in Engler, Bot Jahrb. 29: 555. 1900; Hayata, Ic. Pl. Formos. 89. 1911; Dunn et Tutch. in Kew Bull. Misc. Inf. Add. Ser. 10: 212. 1912; Matsum. Ind. Pl. Jap. 2 (2): 542. 1912; Dunn in Notes Bot. Gard. Edinburgb 6: 184. 1915, p. p.;孙雄才, 科学社生物所论文集7: 234. 1932; Hand. -Mazz. Symb. Sin 7: 923. 1936, et. in Act. Hort. Gothob 13: 347. 1939 Leucas javanica auct. non Benth.: Hemsl. in l. c. 304. 1890; Matsum. et Hayata in Journ. Coll. Sci. Univ Tokyo 22: 317. 1906; Matsum. in l. c. 542. 1906.

这一变种与原变种不同在于萼齿5长5短，稍尖而长；叶较薄，下面毛较疏。

产湖北，湖南，四川，广东，福建，台湾，广西，贵州及云南；生于干燥的向阳生境，一般分布于低海拔的平地及丘陵地上，在云贵高原海拔可达2700米。模式标本采于广东沿海岛屿。

全草入药，研成粉末，冲开水服，有驱寒发表之功，外用又可以洗疮毒。