Habit
The overall appearance or shape of a plant crown; a plant in silhouette.
Habitat
The environment where a plant grows.
Heartwood
The innermost part of a branch or trunk; usually darker in color than the sapwood.
Hip
The term used for the berry-like fruit of a rose plant i.e. Rose hip; is actually a fleshy structure surrounding achenes.
Hispid
Rough surface with stiff and bristly hairs.
Hoary
Densely covered with short gray or white hair.
Hypanthium
Cup-shaped structure formed from the fusion of the basil portions of the petal, sepals, and anthers; Usually surrounds the pistils. Commonly found in the Rosaceae family.