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Cashew nutshell liquid (CNSL) or cashew shell oil (CAS registry number 8007-24-7) is a natural resin with a yellowish sheen found in the honeycomb structure of the cashew nutshell, and is a byproduct of processing cashew nuts. Since it is a strong irritant, it should not be confused with edible cashew nut oil.
Semecarpus australiensis, commonly known as the tar tree, native cashew, marking nut, or cedar plum, is a species of tree in the cashew and mango family Anacardiaceae, native to parts of Melanesia and northern Australia. Contact with the plant can cause serious allergic reactions, a common characteristic of this family.
The nut is unique because it grows from the bottom of a piece of fruit known as a cashew apple and is removed from the fruit after the apple is fully ripened and falls or is picked from the tree's ...
The oldest species of the genus Anacardium is Anacardium germanicum from the Eocene aged Messel Pit of Germany, well outside the current range of the genus. [2] They were present in the Americas by the Oligocene-Miocene, as evidenced by the species Anacardium gassonii from Panama.
The tree is found at altitudes between 380m and 1100m, mostly above 780m; it prefers acidic soils (pH 4,5-6,5) and tolerates droughts and poor soils. It is easily propagated from seeds. [ 4 ] It flowers between June and October; fruits mature in September and October, and can be harvested two or three years after planting.
It is a deciduous tree. Like the closely related cashew, the fruit is composed of two parts, a reddish-orange accessory fruit and a black drupe that grows at the end. The nut is about 25 millimetres (1 in) long, ovoid and smooth lustrous black.
Flowers have the ovary free, but the petals and stamen are borne on the calyx. [5] In the stamenate flowers, ovaries are single-celled. In the pistillate flowers, ovaries are single or sometimes quadri- or quinticelled. One to three styles and one ovule occur in each cavity. [4] Fruits rarely open at maturity [5] and are most often drupes. [4]
The Cashew Tree of Pirangi (Cajueiro de Pirangi), also called the world's largest cashew tree (maior cajueiro do mundo), is a cashew tree in Pirangi do Norte, Rio Grande do Norte, Brazil. [1] In 1994, the tree entered the Guinness Book of Records. [1] It covers an area between 7,300 square metres (1.8 acres) [2] and 8,400 square metres (2.1 ...