c. Applied to plants of other genera. native wallflower, the Tasmanian plant Pultenæa subumbrosa (N.O. Leguminosæ); also, in Australia, one of the Poison-bushes, Gastrolobium grandiflorum (Morris Austral Engl., 1898). western wallflower, a name for certain American species of Erysimum (Treas. Bot., 1866; Cent. Dict., 1891).