Trigonella foenumgraecum L., Leguminosae, an annual herb, cultivated in Southern Europe, Northern Africa and India for its seeds which are used in making curry. The seeds contain the alkaloid trigonelline and the steroidal sapogenin, diosgenin, q.q.v.: Fazli, Hardman, Trop. Sci. 10, 66-78 (1968).