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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Synonyms include Banksia abyssinicaBrayera anthelminticaHagenia abyssinica var. Birds Land and Estuaries Listed by binomial names and photos. The efficacy of hhagenia as anthelmintic depends on dosage and the health of the patient.

Flora Zambesiaca Flora Zambesiaca http: Flowers are borne in large, many-flowered, hanging groups, cm long and up to 30 cm across.

At these altitudes forest fires are rare, but occasional severe fires can occur during drought.

The extract is drunk before breakfast; about 0. The heartwood is very resistant to impregnation. Liverworts Mosses True Mosses Club. The powdered flowers are soaked overnight in water, honey-beer, or other sweetened fluids, to counteract the bitter taste.

Hagenia abyssinica is a dioecious tree up to 20 m in height, with a trunk with thick hagennia bark. Published on the Internet at http: In mice, doses up to 16 times the lethal dose by the intraperitoneal route produced no observable toxicity by the oral route; high doses affected peripheral vision in chicken.


Hagenia abyssinica

Female flowers rather viscid, more red, up to 1. In agricultural areas, Hagenia abyssinica can be found scattered in fields because it is not usually cut down. Nail-holding power is high. Collection of inflorescences for medicinal purposes does not greatly affect the plants.

African Redwood – Global Trees

On most East African mountains, Hagenia abyssinica is common just below the tree-line at about 3, metres above sea levelwhere it may form almost pure woodlands. Flora of Tropical East Africaed. Hagenia has been used as a remedy for intestinal parasites. Although it is often stated that female flowers should be used, most tests reveal no difference in effect between male and female flowers.

However, in locations with high population and cattle pressure the species is now rare or has disappeared often cut for firewood purposes. By using this site, you agree to the Terms of Use and Privacy Policy.

Flora du Rwanda 1: Finely powdered kosso can easily be adulterated by any other brownish powder, whereas intact flower parts are very distinctive and cannot be adulterated. Accessed 13 November 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.


Health organizations currently discourage the use of kosso because the dosage of the active principle cannot be controlled by using the flower extract. The bark is reddish brown, fissured and peeling. New Zealand Herpetological Society 9: Aabyssinica is the sole abywsinica of genus Hageniaand its closest relative is the Afromontane genus Leucosidea.

This page was last edited on 24 Octoberat The leaves haggenia pinnately compound reaching lengths of 40 cm; with hairy, dark green, slightly serrated leaflets. Kenya, it is dominant in the zone above bamboo thickets, between — m, where it occurs in association with Hypericum revolutum Vahl, Juniperus procera Hochst.

Hagenia abyssinica – Useful Tropical Plants

Journal of Ethnobiology and Ethnomedicine 6: Twigs Young twigs densely villous with yellow-brown soft ascending hairs 3—4 mm. The African zebrawood is one of abyssincia species native to Cameroon threatened with extinction.

R to Z Common names with photo.

The trees have either male or female flowers.