Aroma Plant Information
Aroma grows in the following 1 states:Florida
Other common names include acacia Saint Domingue (French), el marabu (Cuba), " Mpangara" (Shona), Kalahari-Weihnachtsbaum (German of former South West Africa), kk or mimosa clochette (Runion).Dichrostachys cinerea, known as sicklebush, Bell mimosa, Chinese lantern tree or Kalahari Christmas tree (South Africa), is a legume of the genus Dichrostachys in the Fabaceae family.
The generic name Dichrostachys means 'two-colored spike', referring to its two-colored inflorescence, from the Ancient Greek - (di-, 'twice'), (khroos, 'color'), and (stakhus, 'ear of grain'). The specific name cinerea refers to the greyish hairs of the typical subspecies, from the Latin cinereus ('ashes').
It is native to Africa but has been introduced to India, the Caribbean and parts of Southeast Asia. In Ethiopia, the species is common in the Nechisar National Park.
The tree was brought to the Caribbean in the 19thcentury. In Cuba, where it is known as El Marab or Marabou weed, it has become a serious invasive species problem, occupying close to five million acres (20,000km) of agricultural land. Plans are underway to exploit it as a source of biomass for renewable power generation.
Dichrostachys cinerea is a semi-deciduous to deciduous tree characterized by bark on young branches, dark grey-brown fissures on older branches and stems and smooth on the spines. They typically grow up to 7 metres (23ft) in height and have strong alternate thorns, generally up to 8cm (3.1in) long. Flowers of the Dichrostachys cinerea are characteristically in bicoloured cylindrical spikes that resemble Chinese lanterns and are 6-8cm long and fragrant. Upper flowers of a hanging spike are sterile, and are of a lilac or pale purple. Pods are usually a mustard brown and are generally twisted or spiralled and may be up to 100 15mm. The species can be subcategorized with two slight variations that have been recognised: D. cinerea ssp. africana and D. cinerea ssp. nyassana, the latter which is typically larger and less hairy in its foliage.
The species tends to grow in rainforest zones that are clearly defined and in altitudes up to 2,000 metres (6,600ft). It often occurs in areas with a strong seasonal climate with a wide ranging mean annual temperature and with a mean annual rainfall ranging from 200 to 400mm. It occurs in brushwood, thickets, hedges, teak forest and grassland and generally takes to poorer quality clay soils or deep and sandy soils with a wide ph scale range.
In India, it can occur in dry deciduous forest.
In southern Africa, Dichrostachys cinerea generally flowers from October to February with fruiting from May to September. In Indonesia, however, the species has been found flowering from September to June and fruiting from March to May. The tree generally grows at a medium to slow rate, 6-8cm per year.
Fruit and seeds that grow on Dichrostachys cinerea are edible. Cattle, camels and game such as giraffe, buffalo, kudu, hartebeest, nyala, red forest duiker and Damara dik-dik feed on the juicy pods that fall to the ground. Such animals also feed on the immature twigs and leaves of the tree which are rich in protein (11-15%) and minerals. The flowers can be a valuable source of honey. The wood is of a dense nature and burns slowly with no toxicity, so it is often used for fuelwood. The species yields a medium to heavy, durable hardwood and is often used in smaller domestic items as walking sticks, handles, spears and tool handles, particularly in central Africa.
In traditional medicine, the bark is used for headache, toothache, dysentery, elephantiasis, root infusions are used for leprosy, syphilis, coughs, as an anthelmintic, purgative and strong diuretic, leaves are used for epilepsy and also as a diuretic and laxative, and a powdered form is massaged on limbs with bone fractures. The roots are also sometimes used for bites or stings. In Siddha medicine of the Tamils in southern India, Dichrostachys cinerea is called vidathther and used for gonorrhea, syphilis and eczema.
As they are rich in nutrients, the plants are often used as fertiliser, particularly in the Sahel region of Africa along riverbanks. The plant is widely used for soil conservation, particularly in India, for shallow soils, and in arid western and subhumid alluvial plains.
It is also cultivated as an indoor bonsai specimen.
Despite its various uses, it is generally regarded a threat to agricultural production and is listed on the Global Invasive Species Database.
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