异野芝麻Heterolamium debile (Hemsl.) C. Y. Wu

别名：水藿香;

科名：唇形科 Labiatae

属名：异野芝麻属 Heterolamium

《中国植物志》第66卷204页
  1. 异野芝麻 （植物分类学报10卷3期）
  Heterolamium debile (Hemsl.) C. Y. Wu in Act. Phytotax. Sin. 10(3): 254. 1965——Orthosiphon debilis Hemsl. in Journ. Linn. Soc. Bot. 26: 267. 1890; Diels in Engler, Bot. Jahrb. 29: 563. 1900; Dunn in Notes Bot. Gard. Edinburgh 6: 135 1915; Kudo in Mem. Fac. Sci. Agr. Taihoku Univ. 2: 115. 1929.

《Flora of China》 Vol. 17 (1994)
Heterolamium debile  (Hemsley) C. Y. Wu
异野芝麻   yi ye zhi ma
Stems suberect, slender, unbranched, 15-40 cm, striate, densely puberulent, glabrescent. Petiole 1.5-5 cm, gradually reduced apically; leaf blade cordate to circular-cordate, sometimes ovate, lower stem leaf blades reniform, 2.5-5 cm wide, membranous, sparsely appressed white strigose, base cordate to subtruncate, margin coarsely crenate, apex obtuse to subacute. Verticillasters in lax inflorescences 4-10 cm; bracts ovate-oblong, ca. 5 × 2.5 mm, margin entire, glabrous; bracteoles linear, ca. 1 mm. Pedicel slender, 4-5 mm. Calyx ca. 4 × 2.5 mm, puberulent, lateral teeth of upper lip triangular, teeth of lower lip subulate-triangular; fruiting calyx ca. 8 × 3 mm, scarious, glabrescent, conspicuously 15-veined, with spinescent-tipped teeth; middle tooth of upper lip reflexed, decurrent, shorter than 2 anterior teeth. Corolla white; tube narrow, exserted, slightly dilated at apex; lobes of upper lip semicircular, as long as lateral lobes of lower lip; middle lobe of lower lip circular, margin entire, slightly concave; lateral lobes ovate, obtuse. Nutlets obscurely rugulose. Fl. Jun, fr. Jul.
* Forests, hillsides, streamsides; 1500-2700 m. Hubei, Hunan, Shaanxi, Sichuan, Yunnan