Othonna arborescens, commonly known as Tree Babooncabbage, is a distinctive succulent shrub native to the Western Cape province of South Africa. This species belongs to the Asteraceae family, a large and diverse group of flowering plants that includes daisies and sunflowers. Othonna arborescens is notable for its succulent, fleshy stems and leaves, an adaptation to its arid native environment. The plant typically grows as a multi-branched shrub, reaching heights of up to 1.5 meters, though it can occasionally grow taller. Its growth habit is somewhat sprawling, with stems that are often thick and fleshy, contributing to its succulent nature. The leaves are arranged alternately along the stems and are also fleshy and succulent, usually ovate to obovate in shape, with entire or slightly toothed margins. The leaf color can vary but is often a greyish-green, sometimes with a glaucous or waxy coating that helps reduce water loss. During drier periods, the plant may shed some of its leaves. Flowering occurs typically in late winter to spring. The inflorescences are capitula, characteristic of the Asteraceae family, borne on slender stalks. Each capitulum consists of ray florets and disc florets, which are usually bright yellow. These cheerful yellow flowers provide a striking contrast against the grey-green foliage. Following pollination, small achenes, the characteristic fruit of the Asteraceae, are produced. Othonna arborescens is found in its natural habitat in rocky outcrops, slopes, and arid scrubland, often in areas with well-drained soil. It thrives in full sun and is highly drought-tolerant, making it well-suited for xeriscaping and rock gardens in suitable climates. While it prefers well-drained conditions, it can tolerate a range of soil types, provided they do not retain excessive moisture. In regions with frost, it is best grown in containers or protected locations. The significance of Othonna arborescens lies primarily in its ornamental value as a drought-tolerant and visually interesting succulent. Its unique form and bright yellow flowers make it an attractive addition to gardens, particularly those designed to mimic arid or Mediterranean landscapes. While not widely cultivated for economic purposes, its succulent nature and adaptation to arid conditions offer insights into plant survival strategies in challenging environments. Its common name, Tree Babooncabbage, likely refers to its somewhat shrubby, tree-like form and the fleshy, edible-appearing nature of its leaves, though its palatability to baboons or humans is not a primary documented characteristic. The plant's ability to store water in its stems and leaves is a key adaptation that allows it to survive long periods of drought in its native South African habitat.