Thanks, Alberto. The technical way to tell these two plants apart have been bugging me for a while and I'm sure much longer for others who have grown them. What do you make of the bulbs I received as flavissima? It certainly multiplies readily and seems to fit the descriptions you provided. http://pacificbulbsociety.org/pbswiki/index.php/… Nhu On Mon, Feb 24, 2014 at 6:36 PM, Alberto <firstname.lastname@example.org> wrote: > Flavissima is an aquatic plant and under good water conditions foliage is > evergreen although the plant is dormant in summer without losing its > leaves. Leaves grow in fountain fashion and the bulbs are strongly > offsetting rapidly forming a lawn, strikingly resembling Ophiopogon > japonicus tufts, althouth of a different green. The leaves are a fresh > green, shining, not dull. The yellow is not so deep as in citrina but more > a canary yellow. The flowers tepals are evidently subequal, that is the > three outer are not exactly like the three inner as in citrina. This is > typical of flavissima as well.