Hi All Has this been accepted? Cheers, John E. Bryan "crinum@libero.it" wrote: > > Hi all, > Ismene was segregated from Hymenocallis by Meerow in 1990. The main feature to distinguish the two groups is just the false stem: in Ismene (including Ismene, Elisena and Pseudostenomesson) the sheating leaves form a long false stem; in Hymenocallis (Hymenocallis and Leptochiton) at the base the leaves can form a short neck, never a long false stem. Moreover number chromosome (2n=46 commonly in Ismene; 2n= 46, 44, 40 commonly in Hymenocallis),ovary, seed morphology, distribution.... > Alberto > Italy > > ---------- Initial Header ----------- > > >From : pbs-bounces@lists.ibiblio.org > To : "Pacific Bulb Society" pbs@lists.ibiblio.org > Cc : > Date : Fri, 17 Jun 2005 16:48:43 -0700 > > Subject : Re: re [pbs] Mystery bulb - Ismene x Festalis? > > > Dear Paul: > > > > > I think certain Hymenocallis have foliage that form a 'false' stem by > > the foliage sheathing the stem. Cheers, John E. Bryan > > Paul Tyerman wrote: > > > > > > At 02:56 18/06/05, you wrote: > > > >Dear Alberto: > > > > > > > > >Thanks, I guess the mystery bulb remains just that, a mystery! Cheers, > > > >John > > > > > > John et al, > > > > > > This sounds like Ismene x Festalis (Not Hymenocallis, although for some > > > reason in the US in particular Ismene are called Hymenocallis all the > > > time?). Ismene and Hymenocallis are not the same thing despite this cross > > > usage of the name. My understanding is that the difference between Ismene > > > and Hymenocallis is the fact that Ismene have the leaves bound together at > > > the base by a sheath, whereas the Hymenocallis have their leaves free > > > immediately they exit the ground. > > > > > > If memory serves me it was Alberto Castillo who gave this wonderfully clear > > > differentiation about a year or so ago, but I am not sure which list it was > > > on. I think from memory I kept the email (as I found it so useful to clear > > > up the whole Ismene / Hymenocallis thing) so I can try to dig it up for you > > > if you would like? > > > > > > I would definitely say that the mystery bulb sounds 100% like Ismene x > > > Festalis as it matches perfectly what we have under that name here in > > > Australia and they are distinctly different from any of the Hymenocallis > > > that I grow. > > > > > > Cheers. > > > > > > Paul Tyerman > > > Canberra, Australia. USDA equivalent - Zone 8/9 > > > > > > Growing.... Galanthus, Erythroniums, Fritillarias, Trilliums, Cyclamen, > > > Crocus, Cyrtanthus, Oxalis, Liliums, Hellebores, Aroids, Irises plus just > > > about anything else that doesn't move!!!!! > > > > > > _______________________________________________ > > > pbs mailing list > > > pbs@lists.ibiblio.org > > > http://www.pacificbulbsociety.org/list.php > > _______________________________________________ > > pbs mailing list > > pbs@lists.ibiblio.org > > http://www.pacificbulbsociety.org/list.php > > > > Alberto Grossi > Italy > > ____________________________________________________________ > Navighi a 4 MEGA e i primi 3 mesi sono GRATIS. > Scegli Libero Adsl Flat senza limiti su http://www.libero.it/ > > _______________________________________________ > pbs mailing list > pbs@lists.ibiblio.org > http://www.pacificbulbsociety.org/list.php