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Acacia decurrens also known as Acacia bark, Early black wattle – a perennial tree or shrub

Image of Acacia Decurrens plant at Google

Acacia decurrens which is also known as Acacia bark, Early black wattle, Green wattle, Sydney wattle, Wattle bark is a perennial tree or shrub that can grow up to a height of 2-10m . It is a native to eastern New South Wales which includes Sydney, the Greater Blue Mountains Area, the Hunter Valley and south west to the Australian Capital Territory along with Australia and also found in Africa, the Americas, Europe, New Zealand & the Pacific, the Indian Ocean area, and Japan.
This perennial blooms from the months of July to September. The flowers are used in fritters and in dyes and the gum of the trunk for fruit jelly. The bark is used as an anti-diarrheal medicine. The chemical Kaempferol is present that gives the flowers its color. The decoction made out of this bark is used as an astringent gargle, lotion, or injection.
The perennial has grayish brown bark which darkens as it grows old. It has an odor and an astringent taste. The bark is hard and rusty brown and the inner surface is red.

The plant is useful medically too in treatment of cough and cold and painful throat. It cures diarrhea, lowers high blood pressure. This acacia promotes digestion, soothes infection and irritations of the skin. It is also used as dye and to preserve fabrics from weather, mildew and marine exposure. The bark is rusty brown and wood is reddish brown.

The plants leaves are compound and pinnate and petioles are vertically flat. They are feather like and in light to medium green in color. They are also known as phyllodes. These phyllodes protect the tree from sunlight and some acacias do not have phyllodes. In plants lacking phyllodes, cladodes exist. Cladodes are leaf like photosynthetic stems which are actually modified leaves. The flowers are small and dense. They appear in globular or cylindrical cluster forms. The flowers range from purple, red to yellow and white. The plants have spines and branches are short, pungent and hard. Their seeds are known to germinate with great difficulty. They need to be put to temperatures of 80 degree C.

Growing/Caring conditions for Acacia decurrens:
– Plant or seed in a location where temperatures do not go below 64 degrees Fahrenheit.
– Place in a location with full sunlight.
– The plant needs to be misted.
– Let the soil be dry between the watering.
– If the soil gets too dry, the leaves will drop.
– The tree needs to feed every 15 to 20 days with a fertilizer which has low nitrogen levels.
– This helps in more bloom production.
– Prune the branches from spring to autumn.
– Prune every other year.
– Do not prune the leaves as the leaves are compound in this plant.
– Repot the plant two to four years.
– These plants attract flies, mites, aphids and thrips and hence protect the plants from these pests.
– Protect the plant from the typical disease called Anthracnose.
– This disease infects the leaves.
– Fertilize with a layer of compost on soil.

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