Acacia occurs as genus of shrubs and trees of Gondwanian origin belonging to the subfamily Mimosoideae of the Pea Family Fabaceae, first described from either Africa by Linnaeus in 1773.

There are astir 1300 metal money worldwide: about 950 of the children existence indigene to Australia, while a remainder come spread in a prohibitionist tropical to caring-temperate regions of two hemispheres, including Africa, southern Asia, & a Americas. A genus Acacia nevertheless is non monophyletic. This has led to the breakage higher of this genus within Cinque recently genera. This has been discussed within List of Acacia species.

A northmost coinage is Acacia greggii (Catclaw Acacia), reaching 37°10' N inside southern Utah in the United States; the southernmost come Acacia dealbata (Silver Wattle), Acacia longifolia (Coast Wattle or Sydney Golden Wattle), Acacia mearnsii (Black Wattle), and Acacia melanoxylon (Blackwood), reaching 43°30' S in Tasmania, Australia, while Acacia caven (Espinillo Negro) reaches nearly when far south around northeastern Chubut Province, Argentina. Australian coinage come ordinarily known as wattles, while African & Our contries mintage tend to exist as referred to as acacias.

A leaves of acacias come compound pinnated generally. Inside a few coinage, even so, extra especially in a Australian & Pacific islands metal money, a leaflets come suppressed, & the leaf-leafstalk (petioles) become vertically flattened, & help a purpose of leaves; which are actually referred to as phyllodes. A vertical orientation of a phyllodes protects the babies from either vivid sun, when by having their edges towards the sky & globe it don't intercept weak therefore fully when horizontally positioned leaves. Two or three metal money (like Acacia glaucoptera) lack leaves or phyllodes altogether, however possess instead cladodes, modified leaf-such when photosynthetic stems functioning as leaves.

A little flowers have 5 super little flower petal, near hidden per hanker stamens, & come intended withinside heavy ball-shaped or potentially even cylindric clustering; it is yellowness or cream-colored around virtually all metal money, whitish within a few, even purple (when in Acacia purpureapetala) or red (in the recently grown cultivar ''Acacia leprosa 'Scarlet Blaze').

A plants typically bear spines, especially people growing inside arid regions. These another time represent branches which keep close at h& get short, strong and pungent, or even another time leaf-stipules. Acacia armata is the Kangaroo-thorn of Australia, Acacia giraffae, the Camelthorn of Africa. In the Central Western Acacia sphaerocephala (Bullthorn Acacia) and Acacia spadicigera, the big thorn-such as stipules come hollow & afford shelter for ants, which feed on a secretion of honey on a leaf-petiole & curious food-bodies at the tips of the leaflets; reciprocally it protect the plant against leaf-eating insects.

Inside most common idiom a term "acacia" is now and again misapplied to metal money of the genus Robinia, which as well belongs within the leguminosae, although located in the different subgenus. Robinia pseudoacacia, an Our contries metal money ordinarily called Black locust, is sometimes known as "false acacia" inside cultivation within Britain.

Uses

Industrial and medicinal uses
Various metal money of acacia yield gum. Avowedly gum arabic is the product of Acacia senegal, abundant in dry tropical west Africa from either Senegal to northern Nigeria.

Acacia arabica is the gum-arabic tree of Indithe, but yields a gum inferior to the admittedly gum-arabic. A bark of Acacia arabica, under a title of babul or even babool, is utilized within Scinde for tanning. Inside Ayurvedic medicine, babul is considered a guide that is helpful for handling premature ejaculation.

A bark of various Australian metal money, called wattles, is very rich around tannic acid & forms an significant article of exportation; significant coinage include Acacia pycnantha (Golden Wattle), Acacia decurrens (Tan Wattle), Acacia dealbata (Silver Wattle) & Acacia mearnsii (Black Wattle). Black Wattle is grown around plantations inside South Africa. A pods of Acacia nilotica (under the title of neb-neb), & of more African coinage come as well rich inside tannic acid & utilized by tanners.

Occasionally metal money afford worthful timber; such come Acacia melanoxylon (Blackwood) from either Australia, which attains the great size; its wood is used for piece of furniture, & requires a high polish; & Acacia homalophylla (Myall Wood, also Australian), which yields the fragrant timber, utilized for decorative purposes. Acacia formosa supplies the worthful Cuban timber called sabicu. Acacia seyal is thought to be a shittah of the Bible, which supplied shittim-wood. This was utilized in the construction of the Ark of the Covenant. As a spiritual icon these are besides one of a virtually all mighty symbols within freemasonry, representing the eternal soul & purity of the soul. Acacia heterophylla from Réunion island, and Acacia koa from the Hawaiian Islands are excellent timber trees.

Acacia farnesiana is utilized in the perfume industry due to its hard fragrance.

An acerbic medicine, known as catechu or cutch, is procured from either either many metal money, however sir thomas more especially from Acacia catechu, by boiling down a wood and evaporating the guide and then when for an extract.

Ornamental uses
Two or three mintage come widely grown when ornamentals inside gardens; the virtually all popular mayhap is Acacia dealbata (Silver Wattle), by having its attractive glaucous to silvery leaves & brightly yellowness flowers; these are mistakenly referred to as "mimosa" inside a few areas in which these are cultivated, across confusion using a related genus Mimosa.

Culinary uses
Acacia seeds are often utilized for food & the kind of more products. A seeds of Acacia niopo, for instance, come roasted & utilized when snuff in South America.

Inside Australia, Acacia mintage come another time utilized when food plants per larvae of hepialid moths of the genus Aenetus. These dig horizontally into a trunk so vertically down. More Lepidoptera larvae which have been recorded feeding in Acacia include Brown-tail and Turnip Moth. Around Laos and Thailand, the feathery shoots of Acacia pennata (common title cha-om) come utilized within soups, curries, omelet, & stir-fries.

Pharmacological uses
Several Acacia coinage contain a bit of psychotropic alkaloids of which DMT and NMT are the virtually all large & utile. the leaves, stems and/or roots may be manufactured into a brewage together by using a select few MAOI-containing plant to obtain an effect after taken orally. This can be seen as a rather Ayahuasca.

Alkaloids around different mintage, from either TiHKAL (by Alexander Shulgin):

The. baileyana	Zero.02% tryptamine & β-carbolines, in the leaf
The. maidenii	DMT & NMT, in the stem bark
The. albida	DMT, in the leaf
The. confusa	DMT & NMT, in the leaf, stem & bark
The. cultriformis	tryptamine, in the leaf & stem
The. laeta	DMT, in the leaf
The. mellifera	DMT, in the leaf
The. nilotica	DMT, in the leaf
The. phlebophylla	DMT, in the leaf
The. podalyriaefolia	tryptamine, in the leaf
The. senegal	DMT, in the leaf
The. seyal	DMT, in the leaf
The. sieberiana	DMT, in the leaf)
The. simplicifolia	DMT & NMT, in the leaf, stem & trunk bark
The. vestita''	tryptamine, in the leaf & stem

Species
There are across 1,300 metal money of Acacia. Understand List of Acacia species for a complete list.