Common Name: Kousso. Hagenia abyssinica. Drawing of the leaves, flowers, fruits and seed. Photograph by: Franz Eugen Köhler, Köhler’s Medizinal-Pflanzen. This study provides insight into the medicinal importance of Hagenia abyssinica as well as the degree of threat on its population. Throughout history, Hagenia abyssinica has been used as an anthelmintic in Ethiopia and other parts of Africa. Almost every Ethiopian used to.
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Side effects may include irritation of the gastrointestinal tract, salivation, nausea, headache, fainting spells, general weakness and diarrhoea. Timber is also collected for fuelwood. The colour of the flowers actually comes from modified leaves called bracts rather than true petals. Hagenia abyssinica African redwood Kingdom: Individual Hagenia abyssinica trees often belong to the same or only a few size classes and are presumably the same age.
Throughout history, Hagenia abyssinica has been used as an anthelmintic in Ethiopia and other parts of Africa. Pinnate divided like a feather with hairy, toothed leaflets and sometimes additional, minute leaflets in-between.
Friends of Te Henui 5: An adult tree is growing in the grounds of Burgess Park, New Plymouth. This treatment has been used for centuries in Ethiopia, but its use is now in decline due to availability of reliable alternatives. No germplasm collections are known. However, in locations with high population and cattle pressure the species is now rare or has disappeared often cut for firewood purposes. Although this species has not yet been assessed on the IUCN Red List, its many uses and loss of habitat mean that populations are decreasing as deforestation continues throughout the Afromontane forests.
An attractive African tree with soft leaves and hanging flower abyyssinica, Hagenia abyssinica also has many uses. Synonyms include Banksia abyssinicaBrayera anthelminticaHagenia abyssinica var.
Friends of Pukekura Park 3: This species abysisnica cool, wet climates such as those found in moist montane forests, and can also thrive on rocky sites.
Flora of Tropical East Africa, Rosaceae: Eggeling, Indigenous Trees of the Uganda Protectorate, ed. Large-scale cultivation is unknown. This section with questionable factual accuracy needs more medical references for verification or relies too heavily on primary sources. Highly valued by locals for its uses, Hagenia abyssinica is often left standing when forest is cleared.
Abysdinica may be difficult due to interlocked grain, but the moulding, boring and turning are satisfactory. Views Read Edit View history. It has absysinica assumed that Hagenia abyssinica has a regeneration cycle associated with heavy forest fires.
The bark is reddish brown, fissured and peeling.
Ethnomedicinal uses of Hagenia abyssinica Bruce J. Grevillea rosmarinifolia Rosemary Grevillea Next page: Trees are either male or female and only rarely are flowers of both sexes found on the same tree.
A royalty fee is required for a licence to exploit it. Small and dry, remaining hidden within the dried flower parts. Kossokousso or cusso is a drug which consists of the panicles of the pistillate flowers of Hagenia. Use of Kosso was borrowed from Ethiopia, where as Richard Pankhurst quotes Merab as saying abyyssinica “to mention it was to abyssinoca a quarter of that country’s pharmacopeia. Flora Zambesiaca Flora Zambesiaca http: At present, kosso is still locally traded and used in Ethiopia where it is on sale in almost every traditional market.
The bark has been used in treatments for hatenia and stomach ache.
Commercial kosin extraction from flowers depends on quality, demand and price. Besides being a source of medicine, Hagenia has been utilized for various other purposes such as construction, furniture, fuel wood, and soil fertility management. Honey, obtained from beehives located near Hagenia abyssinica trees and collected immediately after their flowering, is also said to be effective in expelling tapeworms.
Kenya, it is dominant in the zone above bamboo thickets, between — m, where it occurs in association with Hypericum revolutum Vahl, Juniperus procera Hochst. Published on the Internet at http: Navigation menu Personal tools Log in Request account.
Hagenia is widespread and often common where it occurs, and plant parts are harvested sustainably for many of their uses rather than, for example, by cutting down the whole tree. Hagenia is monotypic and very characteristic with its dioecism, pinnate, silky leaves and large, drooping inflorescences. Hagenia abyssinica is worthy of protection and worth planting for its ornamental value.