What is "didymoplexiella"

Didymoplexiella is a genus of flowering plants from the orchid family, Orchidaceae. It contains 8 known species native to Southeast Asia, with a few species extending northwards into Japan and southern China. These are mycoheterotropic plants lacking chlorophyll, obtaining nutrients from fungi in the soil.

1. Didymoplexiella borneensis (Schltr.) Garay - Sarawak
2. Didymoplexiella cinnabarina Tsukaya, M.Nakajima & H.Okada - Kalimantan
3. Didymoplexiella denticulata Aver. - Laos, Vietnam
4. Didymoplexiella forcipata (J.J.Sm.) Garay - Kalimantan
5. Didymoplexiella kinabaluensis (Carr) Seidenf. - Sabah
6. Didymoplexiella ornata (Ridl.) Garay - Thailand, Vietnam, Malaysia, Borneo, Sumatra
7. Didymoplexiella siamensis (Rolfe ex Downie) Seidenf. - Hainan, Taiwan, Japan, Ryukyu Islands, Thailand, Vietnam
8. Didymoplexiella trichechus (J.J.Sm.) Garay - Sumatra, Bangka