Source : Webster's Revised Unabridged Dictionary (1913)
Senna \Sen"na\, n. [Cf. It. & Sp. sena, Pg. sene, F. s['e]n['e];
all fr. Ar. san[=a].]
1. (Med.) The leaves of several leguminous plants of the
genus Cassia. ({C. acutifolia}, {C. angustifolia}, etc.).
They constitute a valuable but nauseous cathartic
medicine.
2. (Bot.) The plants themselves, native to the East, but now
cultivated largely in the south of Europe and in the West
Indies.
{Bladder senna}. (Bot.) See under {Bladder}.
{Wild senna} (Bot.), the {Cassia Marilandica}, growing in the
United States, the leaves of which are used medicinally,
like those of the officinal senna.
Source : WordNet®
Cassia marilandica
n : North American perennial herb; leaves are used medicinally;
sometimes placed in genus Cassia [syn: {wild senna}, {Senna
marilandica}]