Ailanthus triphysa
| Ailanthus triphysa | |
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| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Rosids |
| Order: | Sapindales |
| Family: | Simaroubaceae |
| Genus: | Ailanthus |
| Species: | A. altissima |
| Binomial name | |
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Ailanthus triphysa (Dennst.) Alston. |
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| Synonyms | |
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Ailanthus triphysa (also Ailanthus malabarica) is a medium to tall evergreen rainforest tree in Asia and Australia. The wood may be used for matchwood and plywood. The tree is known as halmaddi in India, where its resin, also called halmaddi, may be used in incense. Inappropriate extraction methods were resulting in trees dying, so by the 1990s the Indian forestry department had banned extraction.
Common names in Australia include white bean and ferntop ash.
It occurs in India, Sri Lanka, China, Malaysia, Burma, Thailand, Laos, Philippines, Indonesia and Vietnam. In Australia, Ailanthus triphysa occurs in Western Australia,Queensland and as far south as the Clarence River (New South Wales).
A medium to tall evergreen tree to 30 m and diameter of 1.2 m. The trunk is not buttressed, but rather straight and cylindrical. The bark is grey, somewhat rough and resembling sandpaper to the touch. Leaves are pinnate, curved and sickle shaped drawn out to a point. Particularly oblique at the base. Venation is prominent, the net veins more obvious under the leaf. Flowers are creamy green, flowering in November to January in Australia. The fruit is a samara, often forming in threes. Common names in Australia include white bean and ferntop ash.
Stem: Bark greyish, lenticellate; blaze yellow with red speckles.
Leaves: Leaf bearing twigs 1 cm or more in diameter. Stipules very small Leaflet blades falcate, about 5-12 x 0.9–2 cm, very unequal-sided particularly at the base. Lateral veins forming loops well inside the blade margin. Midrib raised in a depression on the upper surface of the leaflet blade. Numerous, closely spaced oil dots visible with a lens.
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