Acronychia pedunculata, commonly known as Pedunculate Acronychia, is a species of flowering plant in the citrus family, Rutaceae. This species is recognized for its distinctive floral structure and its presence in various Asian and Australian ecosystems. It is a significant component of its native flora, contributing to the biodiversity of the regions it inhabits. The plant typically presents as a shrub or small tree, reaching heights of up to 15 meters, though it often remains smaller in cultivation. Its growth habit is generally erect and somewhat spreading. The leaves are arranged oppositely along the stems and are compound, usually trifoliate, with leaflets that are ovate to elliptic in shape. The leaf margins are entire, and the surface is typically glabrous, with a glossy appearance. The venation is pinnate and often visible. Flowering occurs throughout much of the year, with clusters of fragrant flowers borne on long, slender stalks, or peduncles, which give the species its common name. The flowers are typically white or cream-colored and possess four petals. They are bisexual, containing both male and female reproductive organs. Following pollination, the plant produces fruit, which are small, globose to ovoid drupes. These fruits are typically green when immature, ripening to a yellowish or orange hue. The fruit contains one or two seeds. The bark of Acronychia pedunculata is usually smooth and greyish. Acronychia pedunculata is native to a wide geographical area, extending across Southeast Asia, including countries like Thailand, Malaysia, and Indonesia, and reaching into parts of northern Australia. It thrives in a variety of natural habitats, commonly found in rainforests, monsoon forests, and along the edges of these ecosystems, often in well-drained soils. It prefers warm, humid conditions and can tolerate a range of light exposures, from full sun to partial shade. While it is not widely cultivated as a commercial crop, it is sometimes grown as an ornamental plant in tropical and subtropical gardens for its attractive foliage and fragrant flowers. The species holds some ecological importance as a food source for local fauna. Historically, certain parts of the plant have been utilized in traditional medicine in some regions, though scientific validation of these uses is often limited. The fruits are not generally considered edible for human consumption. An interesting characteristic of Acronychia pedunculata is the strong, citrus-like fragrance emitted by its flowers, which attracts pollinators. The specific adaptations of its leaves and growth habit are suited to the competitive environment of its native forest understory and edges.