Definify.com
Webster 1913 Edition
Althea
{ ‖
, Al-thæ′a
, ‖Al-the′a
}Noun.
[althaea, Gr. [GREEK].]
(Bot.)
(a)
A genus of plants of the Mallow family. It includes the officinal marsh mallow, and the garden hollyhocks.
(b)
An ornamental shrub (
Hibiscus Syriacus
) of the Mallow family. Webster 1828 Edition
Althea
ALTHE'A
,Noun.
In botany, a genus of polyandrian monadelphs, of several species; called in English marsh-mallow.
The common species has a perennial root, and an annual stalk rising four or five feet. It abounds with mucilage, and is used as an emollient.