neillia

from The Century Dictionary.

• noun A genus of branching shrubs, of the order Rosaceæ and the tribe Spiræeæ, known by the copious albumen and by the carpels varying from one to five.
• noun There are 4 or 5 species, of North America, Manchuria, and mountains of India and Java. They bear alternate lobed leaves and clustered white flowers followed by purplish pods. N. (Spiræa) opulifolia, called ninebark from the numerous layers of its loose bark, is common in the interior of the United States, and is sometimes planted.