Graphorkis concolor
 

Graphorkis concolor is an orchid native to Madagascar. They are epiphytic species. They lose their leaves in winter, and in spring they bloom and new growth occurs.
https://blog-imgs-172.fc2.com/p/h/e/...421570829a.jpg
https://blog-imgs-172.fc2.com/p/h/e/...4215706c46.jpg
https://blog-imgs-172.fc2.com/p/h/e/...42157086f1.jpg

Thank you! Can you provide a photo of the plant?

Here is the photos of the plants.
https://blog-imgs-172.fc2.com/p/h/e/...0223601245.jpg

Thank you.