Colquhounia tenuiflora J. D. Hooker, Fl. Brit. India 4: 674. 1885.

Plants sparsely hairy throughout. Calyx ca. 6 mm, sparsely hairy; teeth triangular, apex acuminate. Corolla ca. 2.5 cm.

Used medicinally for traumatic injury, hemostasis, and dysentery.

Thickets, evergreen broad-leaved forests; 1100-1800 m. Yunnan [Cambodia, Laos, Myanmar, Thailand, Vietnam].