The flowers have a long pedicel, a tubular calyx with three teeth, and a corolla 11-15 mm long, white or pale yellow with a darker purple or reddish-purple helmet.
白色、淡黄色、紫色、紫红色
It is endemic to western and northwestern Sichuan, China, growing in forests, forest edges, and grasslands at elevations of 3,100-3,850 meters.
The roots are vertical, about 8-10 cm long and 2.5 mm in diameter, conical in shape, with sparse lateral roots.