What is "promenaea"

Promenaea is a genus of flowering plants from the orchid family, Orchidaceae. It contains 18 currently accepted species (including one that is apparently extinct), all endemic to Brazil.

1. Promenaea acuminata Schltr.
2. Promenaea albescens Schltr. - São Paulo, Paraná
3. Promenaea catharinensis Schltr. - Santa Catarina
4. Promenaea dusenii Schltr. - Paraná
5. Promenaea fuerstenbergiana Schltr. - Santa Catarina
6. Promenaea guttata (Rchb.f.) Rchb.f.
7. Promenaea lentiginosa (Lindl.) Lindl.
8. Promenaea malmquistiana Schltr.†
9. Promenaea microptera Rchb.f.
10. Promenaea nigricans Königer & J.G.Weinm.bis - Paraná
11. Promenaea ovatiloba (Klinge) Cogn. in C.F.P.von Martius
12. Promenaea paranaensis Schltr. - Paraná
13. Promenaea riograndensis Schltr. - Rio Grande do Sul
14. Promenaea rollissonii (Lindl.) Lindl.
15. Promenaea silvana F.Barros & Cath. - Bahia
16. Promenaea sincorana P.Castro & Campacci - Bahia
17. Promenaea stapelioides (Link & Otto) Lindl.
18. Promenaea xanthina (Lindl.) Lindl.