There are some neat-looking black radishes:
http://www.all-creatures.org/recipes...ish-black.html

There are some nearly black asparagus and eggplant
http://www.thompson-morgan.com/seeds...vegetable.html

Any Wicked Garden ought to have the nifty Moon and Stars Watermelon:
http://oldvegiepatch.netfirms.com/water.htm

The cake-taker, though, is probably Tacca chanteri, Bat Flower
http://www.grasstree.co.uk/Other%20s...at%20plant.htm

Oh...um...Ophiopogon, which someone mentioned, is a member of the Lily
Family, and not an orchid.

M. Reed
College Station, TX