(https://c1.staticflickr.com/5/4395/36726220941_a315689851_z.jpg)
(https://c1.staticflickr.com/5/4390/36057136223_e98e1cc7be_z.jpg)
I think it`s either called a Spider Lily or Peruvian Daffodil.
Has anyone seen them for sale at Happy Plants, the garden centre on the outskirts of Puerto del Rosario or anywhere else? Any growing tips?
Try asking on Fuerte Gardening
https://www.facebook.com/groups/1638437796438333/
Happy Plants had some when I was there a few weeks ago.