A New Tetraploid Variety of Cryptocoryne Ciliata (araceae) from Sarawak

A new, tetraploid variety of Cryptocoryne ciliata (Roxb.) Fisch. ex Schott from Sarawak, Malaysia, is described and illustrated: C. ciliata var. bogneri N. Jabobsen. The ecology, morphology and chromosome numbers of C. ciliata are discussed. The new variety is compared with the other two varieties of the species, C. ciliata var. ciliata and C. ciliata var. latifolia Rataj, and an identification key is provided.