Hi Gang, J. Schulze described Crinum thaianum in the early- or mid-1970s (Plant Life, The Amer. Plant Life Soc. [H. Traub &H. Moldenke, eds.] 27:33-42). He described it as a completely aquatic, Crinum species from Thailand. Since that time it has been used as a water plant by aquarium enthusiasts. He also mentioned three other fully aquatic Crinum species from Africa (2 species) and the Americas (1 species). Crinum natans seems to be another aquatic Crinum, but I have not sorted out the differences and names yet. Question: Do these relatives of garden Crinum survive a few days out of water, or must they be submerged essentially all the time? Question: Does anyone grow these for flower? Cordially, Conroe Joe LINK: C. thaianum info and photos http://tinyurl.com/aux8r/ LINK: C. natans photos http://planta.aquariana.cz/Crinum_natans.htm LINK: C. natans, C. calamistratum, C. purperascens photos http://lucidcentral.org/keys/appw/…