《中国植物志》|| 唇形科 LABIATAE ||光果系 Ser. Laevigatae C. Y. Wu ||异色荆芥 Nepeta discolor Royle ex Benth.

6．异色荆芥
Nepeta discolor Benth. in Hook. Bot. Misc. 3: 378. 1833, Labiat. Gen. et Sp 470. 1834, et in DC. Prodr. 12: 373. 1848; Hook. f. in Fl. Brit. Ind. 4: 659. 1885.
多年生植物；根茎长。茎纤弱，基部匍匐，被短而平展的长柔毛，上部上升，近无毛。叶小，宽卵形或卵状心形，一般长1.25厘米，先端钝，基部近心形，上面绿色，下面被灰白色毛，边缘具圆齿，具柄。穗状花序卵柱形或圆筒形，或在基部间断，长3.75厘米；苞片长圆状线形，锐尖，与萼等长；花梗无。花萼长约6毫米，几无毛（或被长柔毛？），齿钻形，与萼筒等长，与苞片一样边缘上被短睫毛。花冠白色或浅蓝色。（标本未见，综合前人描写）
产西藏西部；生于海拔3300-4545米高山上。印度，阿富汗也有。模式标本采自印度东部。

《Flora of China》|| Lamiaceae || Nepeta ||异色荆芥 Nepeta discolor

5. Nepeta discolor Royle ex Bentham, Hooker"s J. Bot. Kew. Gard. Misc. 3: 378. 1833.

异色荆芥 yi se jing jie

Herbs perennial. Stems slender, ascending, gray pubes-cent. Leaves short petiolate, broadly ovate to ovate-cordate, ca. 1.2 × 1 cm, occasionally to 2.2 × 2 cm, densely puberulent, adaxially green, abaxially gray, with yellowish glands, base subcordate, margin crenate, apex obtuse. Spikes ovoid or cylindric, continuous or basally interrupted, 3-5.5 cm; bracts oblong-linear, spiny, as long as calyx, ciliate. Flowers sessile. Calyx ca. 8 mm, pubescent; tube ca. 4 mm, throat oblique; teeth awned-lanceolate, ca. as long as tube, posterior teeth slightly longer, margin densely white villous. Corolla purple, glabrous or slightly villous on upper lip, ca. 1.4 cm; tube slender, ca. 1 cm, throat to 2.5 mm wide. Fl. Jul-Aug.

Grassy or gravelly slopes, forests, thickets; 3600-4300 m. Xizang [Afghanistan, India, Nepal, Pakistan].