Description from
Flora of China
Orobanche cyanescens Harry Smith, Acta Hort. Gothob. 8: 130. 1933.
Plant ca. 20 cm tall. Corolla tube constricted, slightly enlarged upward; upper lip entire or 2-lobed; lobes irregularly dentate, villous. Fl. May-Jun, fr. Jun-Aug.
Slopes; 1800-2000 m. NW Sichuan.