The best-known species is the temperate Chinese tree-of-heaven Ailanthus altissima, which has become a cosmopolitan weed tree of urban areas [5] and wildlands. [6] Well-known genera in the family include the tropical Quassia and Simarouba. It is known in English by the common names of the quassia family or ailanthus family. [7]

Simaroubaceae -- Quassia family James H. Miller Ailanthus (Ailanthus altissima), also called tree-of-heaven, Chinese sumac, paradise-tree, and copal-tree (fig. 1), is an introduced species that has become widely naturalized across the continent.

Tree of heaven is a non-native invasive small tree in the Simaroubaceae family. While it is native to China it has aggressively naturalized in many parts of the USA and all areas of North Carolina. The leaves are the best way to identify this tree as the large compound leaves have a glandular, notched base on each leaflet and the serrations or ...

Tree of heaven, Ailanthus altissima (Mill.) Swingle, is one of five known species of the genus Ailanthus belonging to the family Simaroubaceae. Young Ailanthus altissima in southern France (Photo by RFH Sforza)

tree-of-Heaven Simaroubaceae Ailanthus altissima (Mill.) Swingle symbol: AIAL. Leaf: Alternate, pinnately compound, 1 to 3 feet long, with 11 to 41 leaflets, leaflets are 2 to 6 inches long, pointed at the tip with large, glandular teeth near the base, green above and below.

Ailanthus altissima is a deciduous tree, usually dioecious, 6-10(-30) m tall, trunk crooked, 30(-100) cm, crown open. Bark light brown or grey, smooth, thin, becoming rough with long fissures and dark ridges. Leaves alternate, pinnately compound 30-60 cm long, hairy when young, crushed foliage with disagreeable odour but suggestive of peanuts.

Jul 27, 2007 · Ailanthus altissima (tree of heaven), Simaroubaceae, is an early successional tree, native to China and North Vietnam, which has become invasive in Europe and on all other continents except Antarctica. It is most abundant in urban habitats and along transportation corridors, but can also invade natural habitats.

Ailanthus altissima resembles native sumac and hickory species, but it is easily distinguished by the glandular, notched base on each leaflet. Species is dioecious and flowering occurs in early summer when large clusters of yellow flowers develop above the foliage.

Apr 29, 2014 · It is an aggressive pioneer species, characterized by rapid juvenile growth and prolific seed production and has a very high ability to coppice once established. It requires well-aerated and moist soils to produce good, single-stemmed trees.

Aug 30, 2024 · Tree of heaven, Ailanthus altissima (Miller) Swingle (Simaroubaceae), a tree species native to China and northern Vietnam, has been planted globally as an ornamental and street tree and its introduced range now covers all continents except Antarctica (Kowarik and …