Dracocephalum purdomii W. W. Sm.

Stems 7-15 cm, ascending, villous. Petiole of basal leaves 3-4 cm, cauline leaves 2-paired, similar to basal leaves but smaller, short petiolate or subsessile, sparsely hairy; leaf blade ovate-oblong, to 3 × 1.5 cm, sparsely strigose, base truncate to cordate, margin crenate, apex subrounded. Verticillasters in terminal capitula ca. 3 cm in diam.; bracts oblanceolate to narrowly oblong, 8-10 mm, margin ciliate, 5-serrate at apex, teeth long spinescent. Calyx 1.1-1.5 cm, glabrous, tube erect, teeth equal; adaxial middle tooth broadly elliptic, ca. 3 mm wide, apex obtuse, short spinescent or sometimes gradually wider with apex irregularly spinescent-serrulate, ciliate; other 4 teeth triangular-lanceolate, apex spinescent-acuminate, sparsely ciliate or glabrous. Corolla dark blue, 2.2-2.5 cm, densely white villous, tube base narrower, to 5-7 mm wide at apex; upper lip 2-lobed; lower lip spotted, 3-lobed, middle lobe elongated. Fl. Jul-Aug.

Gansu, Sichuan.

* Stony areas in alpine valleys; 2300-3300 m.

Dracocephalum grandiflorum Linnaeus var. purdomii (W. Smith) Kudo.

Dracocephalum purdomii là một loài thực vật có hoa trong họ Hoa môi. Loài này được W.W.Sm. mô tả khoa học đầu tiên năm 1916.

岷山毛建草（学名：Dracocephalum purdomii）为唇形科青兰属下的一个种。