What is "diaphananthe"

Diaphananthe is a genus of flowering plants from the orchid family, Orchidaceae. As currently conceived (May 2014), it contains 33 accepted species, all endemic to sub-Saharan Africa

1. Diaphananthe arbonnieri Geerinck
2. Diaphananthe bidens (Afzel. ex Sw.) Schltr.
3. Diaphananthe bueae (Schltr.) Schltr.
4. Diaphananthe ceriflora J.B.Petersen
5. Diaphananthe delepierreana J.-P.Lebel & Geerinck
6. Diaphananthe divitiflora (Kraenzl.) Schltr.
7. Diaphananthe dorotheae (Rendle) Summerh.
8. Diaphananthe eggelingii P.J.Cribb
9. Diaphananthe fragrantissima (Rchb.f.) Schltr.
10. Diaphananthe gabonensis (Summerh.) P.J.Cribb & Carlsward
11. Diaphananthe garayana Szlach. & Olszewski
12. Diaphananthe ichneumonea (Lindl.) P.J.Cribb & Carlsward
13. Diaphananthe lanceolata (Summerh.) P.J.Cribb & Carlsward
14. Diaphananthe lecomtei (Finet) P.J.Cribb & Carlsward
15. Diaphananthe letouzeyi (Szlach. & Olszewski) P.J.Cribb & Carlsward
16. Diaphananthe lorifolia Summerh.
17. Diaphananthe millarii (Bolus) H.P.Linder
18. Diaphananthe odoratissima (Rchb.f.) P.J.Cribb & Carlsward
19. Diaphananthe pellucida (Lindl.) Schltr.
20. Diaphananthe plehniana (Schltr.) Schltr.
21. Diaphananthe rohrii (Rchb.f.) Summerh.
22. Diaphananthe sanfordiana Szlach. & Olszewski
23. Diaphananthe sarcophylla (Schltr. ex Prain) P.J.Cribb & Carlsward
24. Diaphananthe sarcorhynchoides J.B.Hall
25. Diaphananthe spiralis (Stévart & Droissart) P.J.Cribb & Carlsward
26. Diaphananthe subclavata (Rolfe) Schltr.
27. Diaphananthe suborbicularis Summerh.
28. Diaphananthe thomensis (Rolfe) P.J.Cribb & Carlsward
29. Diaphananthe trigonopetala Schltr.
30. Diaphananthe vagans (Lindl.) P.J.Cribb & Carlsward
31. Diaphananthe vandiformis (Kraenzl.) Schltr.
32. Diaphananthe vesicata (Lindl.) P.J.Cribb & Carlsward
33. Diaphananthe welwitschii (Rchb.f.) Schltr