Very common culprit in farm animal poisonings. Found in paint, batteries, grease and used motor oil. Most common in cattle and dogs, but all animals may be affected. Symptoms include dullness, lack of coordination, blindness or convulsions.
In taxonomic terms - herb generally refers to the aboveground parts or the aerial parts (i.e., the flower, leaf, and stem). In terms of herbal medicine - herb refers to plants used in various forms or preparations, valued for their therapeutic benefits, and sold as dietary supplements in the U.S. marketplace.
The Shoot System of the Angiosperms: Plant Leaves and Functions. The plant leaves are lateral outgrowth of the stem which develop from the meristematic tissues of buds. They are the part of the plant shoot which serves as the chief food-producing organ in most vascular plants.