Iris anguifuga from China does something similar. It's pretty unique in the iris world! Dennis in Cincinnati At 12:07 PM 9/6/2005, you wrote: >Dear All > >John Lonsdale asked "When does the stolon become a corm?". > >Several species of geophytes, including certain species of lilies, will >produce a stolon and at the end of the stolon form a corm, or in the >case of Lilium, form a true bulb. Lilium wardii is an example, another >is L. lankongense which sometime will travel as much as 12 inches by >means of a stolon and then form a bulb. Consequently a bed of this >species will soon double in size. Cheers, John E. Bryan >_______________________________________________ >pbs mailing list >pbs@lists.ibiblio.org >http://www.pacificbulbsociety.org/list.php