The color, thickness and texture of the leaves. The shape along the edges of the leaves (the leaf margins). The size, shape, color, arrangement and season of any flowers on the plant.

JOPLIN, Mo. — Experts say poisonous plants are common in the Four States, but learning how to identify and avoid them, can help people enjoy the outdoors more this summer. “You may have heard ...

This image used to help in the plant's identification was drawn nearly 200 years ago by Jacob Bigelow (1787-1879) and published in a medical botanical book called "American Medical Botany." ...