plantae magnoliophyta magnoliopsida cucurbitales cucurbitaceae cucurbitoideae momordica charantia

bitter melon
bitter gourd
balsam pear

vine with tiny rough-edged orange melon fruit.
edible when green and cooked
orange ripe is poison
okay to suck on seeds
seeds themselves are poison

REFERENCE:
http://en.wikipedia.org/wiki/Momordica
http://en.wikipedia.org/wiki/Bitter_melon