A hollyhock is an example of an althea.
hollyhock definition by Webster's New World
- a tall, usually biennial plant (Alcea rosea) of the mallow family, with palmately lobed leaves, a hairy stem, and large, showy flowers of various colors in elongated spikes
- its flower
Origin: Middle English holihoc, literally , holy hock ; from Old English halig, holy plush hoc, mallow
hollyhock definition by American Heritage Dictionary
Origin: Middle English holihocke, marsh mallow : holi, holy; see Holy + hoc, mallow (from Old English).