Description from Flora of China
Codonopsis hirsuta (D. Y. Hong) K. E. Morris & Lammers (1999), not (Handel-Mazzetti) D. Y. Hong & L. M. Ma (1992); C. hongii Lammers.
Plants malodorous. Roots slender, not thickened. Stems hirsute on young parts. Leaves on main stems alternate, those on branchlets almost opposite, all leaves long petiolate; blade abaxially villous, rarely extremely sparsely villous. Flowers subopposite to leaves. Calyx lobes ovate, overlapping each other at anthesis, separated at fruiting, upright, 5-7 × 3-4 mm, hirsute on abaxial side and margin, base cordate or subtruncate, not clawlike, margin sinuate-crenate. Inferior part of capsule semiglobose, 8-10 mm in diam.; superior part conical, ca. 10 mm. Seeds ellipsoid, ca. 1 mm. Fl. Jul-Aug, fr. Oct-Nov.
● Mixed forests, thickets, grasslands; 2000-2700 m. SE Xizang (Bomi, Cona, Zayü), NW Yunnan (Gongshan, Weixi).