(n) low-branching leafy annual with flower heads resembling zinnias; found in southwestern United States and Mexico to Guatemala, Syn. Sanvitalia procumbens
(n) subshrub having short leafy stems and numerous small flower heads with nearly round yellow-orange rays; Arizona south to Mexico and east to Kansas, Syn. Zinnia grandiflora
(n) subshrub with slender woolly stems and long narrow leaves and flower heads with white rays; southern United States and northern Mexico, Syn. Zinnia acerosa
‖n. [ NL. So called after Professor Zinn, of Göttingen. ] (Bot.) Any plant of the composite genus Zinnia, Mexican herbs with opposite leaves and large gay-colored blossoms. Zinnia elegans is the commonest species in cultivation. [ 1913 Webster ]