The Black Raven ZZ plant (Zamioculcas zamiifolia 'Raven') is a striking houseplant known for its glossy, dark purple to black foliage. New leaves emerge bright green and gradually darken as they mature, creating a dynamic visual contrast. 

This plant thrives in low to bright indirect light and is drought-tolerant, requiring infrequent watering. It's well-suited for indoor environments, including offices, due to its adaptability to various light conditions and minimal maintenance needs. 

The Black Raven ZZ plant typically grows to a height of 2 to 3 feet, making it suitable for tabletops or floor displays. Its unique coloration and ease of care have made it a popular choice among houseplant enthusiasts.

Please note that all parts of the plant are toxic if ingested, so it's advisable to keep it out of reach of pets and children