SECTION Pachyrhizanthe Schlechter 1924

Cymbidium macrorhizon differs from all the others in the subterranean rhizome, lacking leaves , pseudobulbs or roots, the second member of this section C lancifolium has psueodobulbs but has flowers very closely related to C macrorhizon.but related in flower form to Section Jensoa

1. "> Cymbidium lancifolium Hook. 1823 - Assam, eastern Himalayas, Nepal, Bhutan, Sikkim, western Himalayas, China, Korea, Japan, Ryukyu Islands, Taiwan, Myanamar, Thailand, Malaysia, Laos, Cambodia, Vietnam, Borneo, Java Moluccas, Sulawesi, Sumatra and New Guinea

2. Cymbidium macrorhizon Lindl. 1833 - western Himalayas, Pakistan, Chinese Himalayas, Assam, Eastern Himalayas, Nepal, Myanamar, Thailand, Laos, Vietnam, Taiwan, Ryukyu Islands, Japan and Korea

3. Cymbidium multiradicatum Z.J.Liu & S.C.Chen 2004 Yunnan China

4. Cymbidium recurvatum Z.J.Liu 2009 Yunnan China

5. Cymbidium rhizomatosum Z.J.Liu & S.C.Chen 2002 Yunnan and Vietnam