from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A small eastern Asian tree or tall shrub (Hibiscus syriacus) having large reddish, purple, or white flowers and coarsely toothed leaves. Also called althea.
- n. A shrubby Eurasian evergreen plant (Hypericum calycinum) having oblong leaves and yellow flowers and usually grown as a ground cover. Also called Aaron's beard.
After the Plain of Sharon .(American Heritage® Dictionary of the English Language, Fourth Edition)