Ludisia

Ludisia is a genus of orchid commonly referred to as a jewel orchid.

Ludisia discolor

Ludisia discolor is the most common of the Ludisia genus, and includes two notable, naturally-occurring mutations.

• Ludisia discolor alba, an albino variant, and
• Ludisia discolor nigrascens, a mutation often referred to as "black velvet."
•  Ludisia discolor 'Ambrosia