My Darklings: Plants with shoe-polished foliage. Looking to add a touch of drama and intrigue to your plant collection? Consider these twi darklings with leaves so dark and glossy, they practically gleam like freshly polished shoes, creating a stunning effect, especially when paired with lighter colored plants or pops of vibrant blooms. Jewel of the Amazon: Geogenanthus ciliatus This captivating plant isn't nicknamed the "Velvet Jewel" for nothing. Its leaves are a mesmerising deep purple, so in