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''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 family Fabaceae.
Other common names include omubambanjobe (Tooro Uganda), acacia Saint Domingue (French), el marabú (Cuba), " Mpangara" (Shona), Kalahari-Weihnachtsbaum (German of former South West Africa), kéké or mimosa clochette (Réunion).
Fruit and seeds that grow on ''Dichrostachys cinerea'' are edible. Cattle, camels and game such as giraffe, African Buffalo, 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 nectar for honey production. 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.
Although there are currently limited to no evidence that can support these claims, the bark is used in traditional medicine for headache, toothache, dysentery and elephantiasis, while root infusions are used for leprosy, syphilis, coughs, as an anthelmintic, purgative and strong diuretic. Leaves are used for treating epilepsy and also as a diuretic and laxative. 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 treatment of 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 popularly 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.
Etymology
The genus, generic name ''Dichrostachys'' means 'two-colored spike', referring to its two-colored inflorescence, from the Ancient Greek ''δί-'' (''di-'', 'twice'), ''χροός'' (''khroos'', 'color'), and ''στάχυς'' (''stakhus'', 'ear of grain'). The species, specific name ''cinerea'' refers to the greyish hairs of the typical subspecies, from the Latin ''cinereus'' ('ashes').Distribution
It is native to Africa, the Indian subcontinent and North Australia and had been introduced to 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 19th century. In various countries, such as Namibia, it is considered a dominant species of woody plant encroachment. In Cuba, where it is known as El Marabú or Marabou weed, it has become a serious invasive species problem, occupying about of agricultural land. Plans are underway to exploit it as a source of biomass for Renewable energy, renewable power generation. This tree is appearing in peninsular Florida. It is as yet uncertain if it was introduced by humans or birds.Description and ecology
They typically grow up to in height and have strong alternate Thorns, spines, and prickles, thorns, generally up to long. The bipinnately compound leaves are up to long. Flowers of the ''Dichrostachys cinerea'' are characteristically arranged in bicoloured cylindrical Spike (botany), spikes that resemble Chinese lanterns, long and fragrant. Upper flowers of a hanging spike are sterile, and are of a lilac or pale purple colour with the bottom half of the spikes displaying yellow flowers. Pods are usually a mustard-brown and are generally twisted or spiralled and may be up to . 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 drier forests and woodlands at altitudes of up to . 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 . 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 range. In India, it occurs in dry deciduous forest. In southern Africa, ''Dichrostachys cinerea'' generally flowers from October to February with fruiting from May to September. The tree generally grows at a medium to slow rate, per year.Uses
Fruit and seeds that grow on ''Dichrostachys cinerea'' are edible. Cattle, camels and game such as giraffe, African Buffalo, 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 nectar for honey production. 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.
Although there are currently limited to no evidence that can support these claims, the bark is used in traditional medicine for headache, toothache, dysentery and elephantiasis, while root infusions are used for leprosy, syphilis, coughs, as an anthelmintic, purgative and strong diuretic. Leaves are used for treating epilepsy and also as a diuretic and laxative. 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 treatment of 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 popularly 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.
References
External links
* {{Taxonbar, from=Q311432 Dichrostachys, cinerea Flora of Africa Flora of tropical Asia Flora of Australia Plants used in traditional African medicine Taxa named by George Arnott Walker Arnott Taxa named by Robert Wight