Cryptocoryne x willisii ClipThis beautiful variety with the dark, hammered leaves is named after 'Tropica'. When grown in an open space the leaves will virtually lie on the bottom. It is suitable for small aquariums with leaves from 10 15 cm, and a rosette from 10 20 cm wide. Like most other Sri Lanka Cryptocorynes, it also grows well in hard water. Product Details: Type: Rosulate Growth: Medium Light: Low Origin: Asia Height: 10 20+ CO2: Low