Dorema
(from dorema, a gift; in reference to its production of gum ammoniac). ORD. Umbelliferae. A genus containing two species of hardy herbaceous perennials, natives of Persia and Beloochistan. They are of easy culture in ordinary garden soil. Increased by seeds.
D. Ammoniacum (Ammoniac). Gum Ammoniac. fl. white; umbels proliferous, racemose; peduncles terete, woolly. June. l. large, petiolate, somewhat bipinnate, 2ft. long; lower leaflets distinct; superior ones confluent, deeply pinnatifid. h. 7ft. Persia, 1831. (B. M. Pl. 130.)