Hi, On 14/05/2015 13:23, Travis O wrote: > For genera that have both bulbous and rhizomatous species Might depend how bulb like the rhizomes are. For lilium (see the photos [1]) there are both, and for lilium breeders have had a go at most combinations, but the rhizomes don't look much different to a bulb. [1] http://pacificbulbsociety.org/pbswiki/index.php/… -- David Pilling http://www.davidpilling.com/