- n Jacksonia genus of yellow-flowered Australian unarmed or spiny shrubs without true leaves but having leaflike stems or branches
Century Dictionary and Cyclopedia
- n jacksonia A genus of the order Leguminosæ, containing 28 species of shrubs or shrub-like plants, all Australian. The genus is conspicuously marked by the absence of leaves, which are replaced by flattened and leaf-like or by spine-like branches. Several species are cultivated for ornament. Some are valued for browsing in the native arid regions. J. scoparia is locally called dogwood and Jackson's-broom.