I wish to unsubscribe from this list. Thank you! > From: jimmckenney@jimmckenney.com > To: pbs@lists.ibiblio.org > Date: Fri, 2 Jul 2010 11:12:08 -0400 > Subject: Re: [pbs] Just Dioscorea > > I'll bet the one in your garden is Chinese yam, Dioscorea oppositifolia > (widely known as D. batatas). It's a terrible pest in many areas and is > widely considered to be "officially" invasive in some states. This species > forms large tuberous roots and small aerial tubers. I've never seen a > variegated form however. This species and D. japonica are similar, although > web photos of D. japonica show very upright conspicuous spikes of flowers. > > The ones you saw with big aerial tubers might have been D. bulbifer. > According to the wikipedia account, the tubers of this one range from edible > if boiled to toxic. It is probably not hardy northward but is feral in > Florida. > > Jim McKenney > > > _______________________________________________ > pbs mailing list > pbs@lists.ibiblio.org > http://pacificbulbsociety.org/list.php > http://pacificbulbsociety.org/pbswiki/ _________________________________________________________________ Hotmail is redefining busy with tools for the New Busy. Get more from your inbox. http://windowslive.com/campaign/thenewbusy/…