Plagiolirion

Plagiolirion is a genus of Colombian plants in the Amaryllis family. It contains only one known species, Plagiolirion horsmannii, rare in the wild and for several years thought extinct until rediscovered in the Río Cauca Valley in 1989. It has showy, white flowers.

Cytology
The diploid chromosome number of Plagiolirion horsmannii is 2n = 46.