Jim, I'm running out the door, so I'll get back on this. I'll try to dig up an article I read on sub-arctic polyploids and high-altitude lobelias. Very interesting stuff, if I can only find it. Ciao, Jamie Cologne ----- Original Message ----- From: "James Waddick" <jwaddick@kc.rr.com> To: "Pacific Bulb Society" <pbs@lists.ibiblio.org> Sent: Friday, February 13, 2004 4:49 PM Subject: [pbs] Lycoris/ Peony Ploidy > Dear Jamie; > You wrote: > "I find it interesting that, once again, the high ploidies prove a bit > hardier." > > I don't think this would ever come to my mind that northern/ > hardier species are triploid or tetraploid. > > In Lycoris, L. chinensis is much hardier than L aurea and > both have 2n=16. L. squamigera, one of the hardiest with 3n=27 is a > lot hardier than L. radiata radiata (3n = 33) and both are triploids. > > There are a few peony pairs such as P. obovata and P. > japonica; and P. wittmanniana and P. mlokosewitschii. In both pairs > the first is diploid (2n=10) and second tetraploid (2n = 20), but > their distributions essentially overlap. > > Further there are both 2n=10 and 2n=20 wild collected Paeonia obovata. > > Paeonia anomala, the very hardiest of all peonies is a > diploid, too (2n=10) > > Hardiness doesn't seem obvious as an attribute related to > ploidy? Any other examples? > > Jim W. > > -- > Dr. James W. Waddick > 8871 NW Brostrom Rd. > Kansas City Missouri 64152-2711 > USA > Ph. 816-746-1949 > E-fax 419-781-8594 > > Zone 5 Record low -23F > Summer 100F + > > _______________________________________________ > pbs mailing list > pbs@lists.ibiblio.org > http://www.pacificbulbsociety.org/list.php >