Description from
Flora of China
Ophelia pulchella D. Don, London Edinburgh Philos. Mag. & J. Sci. 8: 77. 1836; Swertia affinis C. B. Clarke; S. esquirolii H. Léveillé; S. vacillans Maximowicz.
Calyx ca. 2/3 as long as corolla at anthesis. Corolla lobes ovate-oblong. Fl. and fr. Aug-Nov.
Edge of cultivated land, wastelands, grasslands; 100-3300 m. Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Yunnan [Bhutan, India, Kashmir, Nepal, Sikkim].