Bucephalandra is a genus of flowering plants in the family Araceae.
This is a darker version with longer leaves then 'Catherinae'
There are 30 species of Bucephalandra which have been discovered in Borneo and have been formally described by S.Y. Wong and P.C. Boyce.
Bucephalandra are usually found growing as dense mats over stones or rocks in streams or rivers in moist tropical forests.
Bucephalandra is an epiphytic aquarium plant so it can be attached to aquarium hardscape.
Do not bury rhizome under substrate as it will melt away. 
The plant you'll receive will be approximately 2 inches tall with a minimum of 10 leaves.