Helmia
(named after C. Helm, a German ecclesiastic). ORD. Dioscoreacae. A stove evergreen climber, now included under Dioscorea (which see for culture). H. racemosa (raceme-flowered). fl. yellow, purple; male raceme axillary, solitary. l. scattered, cordate-ovate, acuminate, nine-nerved, glandular at base. Roots tuberous. h. 8ft. Central America, 1850.