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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African Redwood

The flakey bark of the trunk. Small and dry, remaining hidden within the dried flower parts. The bark is reddish brown and often peels from the tree trunk and branches. Navigation menu Personal tools Log hgaenia Request account.

Timber is also collected for gagenia. Threats and conservation 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. The tree is occasionally planted around churches and villages. Mature Hagenia abyssinica trees are tolerant of fire, and heavy abyssinkca create ideal germination conditions for the small wind-dispersed seeds.


Hagenia abyssinica is worthy of protection and worth planting for its ornamental value. Flowers Male flowers orange-buff to white, c.

For more on the ethnomedicinal uses of Hagenia abyssinica visit: Friends of Te Henui 5: Weeds and Escapee Plants Botanical names. The seed is very light: It is a species of flowering plant native to the high-elevation Afromontane regions of central and eastern Africa.

Besides being a source of medicine, Hagenia has been utilized for various other purposes such as construction, furniture, fuel wood, and soil fertility management. Frequent doses of kosso, about once every two months, was the common cure. Ethiopian Medical Journal This page was last modified on 27 Julyat Views Read Edit View history. Flora du Rwanda 1: Slugs, Snails Flatworms, Worms Terrestrial.

Hagenia abyssinica – Useful Tropical Plants

Some believe that side-effects bagenia more severe when male flowers are used, and that male flowers have greater emetic activity. Pinnate divided like a feather with hairy, toothed leaflets and sometimes additional, minute leaflets in-between. Useful Trees and Shrubs for Ethiopia: It is a tree up to 20 m in height, with a short trunk, thick branches, and thick, peeling bark. Pharmacological research is underway in Ethiopia.

It is often found near the upper limit of forest growth, giving way to giant heather zones above it. Retrieved from ” https: The efficacy of kosso as anthelmintic depends on dosage and the health of the patient.


Hagenia abyssinica

R to Z Common names with photo. They can be as effective as the chemical anthelmintics dichlorophen, niclosamide and praziquantel. Pre-boring before screwing is essential.

Petiole Petioles 12—13 cm. East African Redwood, Kosso.

African Redwood – Global Trees

Poisonous plants in New Zealand. Trees are either male or female, with male flowers an orange to brown or white colour and red female flowers.

Flora of Tropical East Africa, Rosaceae: Flora of Tropical East Africaed. Almost every Ethiopian used to drink an abyssinifa of dried flowers once every months to expel tapeworm, which was, and to some extent still is, a common parasite in Ethiopia where raw meat, a source of infection, is a delicacy and a very popular item in the diet.

The wood is fairly easy to saw. Hazards Side-effects resulting from consumption of infusions of hagenia flowers have been reported.