Wild lettuce also has a noxious or unpleasant smell, and it forms wavy leaves with prickly hairs underneath. Its yellow flowers turn into white fluffy plumes full of seeds that blow with the wind.

Producing rubber from lettuce Date: April 6, 2015 Source: Washington State University Summary: Prickly lettuce, a common weed that has long vexed farmers, has potential as a new cash crop ...

The crew on board the International Space Station just got their first taste of locally-grown lettuce. The green (well, red) stuff in the astronauts’ salad bowls was a cultivar of a bright-red ...