Tall or Wild Lettuce; Wild Opium; Horse-weed
Lactuca canadensis
Flower-heads–Numerous, small, about 1/4 in. across, involucre, cylindric, rays pale yellow; followed by abundant, soft, bright white pappus; the heads growing in loose, branching, terminal clusters. Stem: Smooth, 3 to 10 ft. high, leafy up to the flower panicle; juice milky. Leaves: Upper ones lance-shaped; [...]











