Cryptocoryne × willisiiCryptocoryne × willisii is a plant in the family Araceae.SynonymsCryptocoryne nevillii ; C. lucens is now considered a hybrid in the C. × willisii complexTaxonomyIn 1976 Niels Jacobsen proposed the change of name of C. nevillii to C. × willisii. This plant is a natural hybrid, so the name is spelt with a cross: C. × willisii.DistributionSri LankaDescriptionThe leaves and even the spathe of this plant are variable. The crypts page illustrate a number of different forms which makes identification difficult. Cryptocoryne x willisi is a smaller member of the genus along with cryptocoryne parva, and may only reach up to 5cm in size.CultivationNot difficult to grow and common in aquariums but some forms do not seem to flower.