2.4. Circaea glabrescens (Pampanini 1910: 677) Handel-Mazzetti (1933: 604) .

≡ Circaea cordata Royle var. glabrescens Pamp.

Lectotype (designated by Handel-Mazzetti 1933):— CHINA. Hubei: Jingmen, Tcinscian-sien (Jingshan Xian), elev. ca. 700 m, 1906, Silvestri 1571 (FI014613 digital image).

Distribution: —S Hengduan, N Hengduan.

Note: —This species has been misidentified as the hybrids between Circaea cordata and C. erubescens (Boufford 1982), but can be distinguish by its inconspicuous nectary.