Mitrastemon cochinchinensis Nakai; M. kawa-sasakii Hayata; ?M. sumatranus Nakai; M. yamamotoi f. kawa-sasakii (Hayata) Makino; M. yamamotoi var. kawa-sasakii (Hayata) Makino.

Herbs, cylindric, 3-8 cm tall. Inflorescence bracts 3 or 4 in each series, ovate to ovate-oblong, 2-2.7 × 1.5-2 cm, not keeled. Fl. Feb-Apr, fr. Oct.

Parasitic on roots of Castanopsis and Quercus; ca. 1200 m. Fujian, Guangdong, Guangxi, Taiwan, Yunnan [Cambodia, ?Indonesia (Sumatra), Japan, Malaysia, Thailand].