Glabrous - Not hairy.
Glandular - Having glands, which secrete sticky substances.
Glaucous - Covered with bloom.
Globose - Approximately spherical.
Grain - Achene-like fruit, but with the seed not loose.
Head- A flower spike or raceme shortened to form a compact, flattened to globose cluster.
Herb - A plant that has no woody tissue and that dies down to the ground at the end of a growing season.
Herbaceous - Herb-like; not woody.
Hesperidium - A partitioned berry with a leathery, removable rind. (e.g. orange).
Hoary - Closely covered with short and fine whitish hairs.