Harungana

Harungana is a genus of flowering plants within the St. Johnswort family, Hypericaceae. It comprises only two species, Harungana madagascariensis and Harungana montana.

Harungana
Harungana madagascariensis
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Hypericaceae
Tribe: Vismieae
Genus: Harungana
Lam.
Species

Distribution and habitat

Harungana can be found in medium to low altitudes around 1000-1600m above sea level in evergreen forest, usually around the forest margins and along river banks. It is widely distributed from South Africa to Sudan. It is often the first plant to be found in a forest that has been cleared. It can be found in both forest and savanna regions. It is native to Central African Republic, Congo, Democratic Republic of Congo, Ethiopia, Kenya, Lesotho, Madagascar, Namibia, Sierra Leone, South Africa, Sudan, Swaziland, Tanzania, and Uganda.

Harungana is an introduced genus, naturalized and brought to the Harvey Creek, Babinda, and Mirriwinni areas of Australia. Harungana has now become quite common in disturbed coastal lowland rainforest and has the capacity to spread widely.

Uses

Harungana madagasacariensis can be used in various ways. For example, H. madagasacariensis is a source of firewood and is used in the production of charcoal. The tree is not used commercially because it rarely grows to merchantable size. However, people sometimes use the light wood to make poles for building houses.

The plant has red sap. Sap is used to treat scabies and anthelmintic (tapeworm). It is also used as a treatment for ringworm in Liberia. The leaves are used to control hemorrhages and diarrhoea, and as remedy for gonorrhea, sore throat, headaches and fevers. Flower stalks is rumored to ease colic and to check infection after childbirth. Decoction of the bark is used to treat malaria and jaundice. Roots are used to improve breast development in young women. Young leaves are sometimes used to treat asthma. In certain areas of Eastern Africa, people believe that fruits of H. madagasacariensis avert bleeding because of its red juice, so are used for abortion.

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References
    • Beentje, H. J. (1994). "Kenya trees, Shrubs and Lianas". National Museums of Kenya.
    • Coates-Palgrave, K. (1988). Trees of Southern Africa. C.S.Struik Publishers Cape Town.
    • Eggeling (1940). Indigenous Trees of Uganda. Govt. of Uganda.
    • Hamilton, A. C. (1981). A Field Guide to Uganda Forest Trees.
    • Katende, A. B.; et al. (1995). Useful Trees and Shrubs for Uganda.
    • Identification, Propagation and Management for Agricultural and Pastoral Communities. Regional Soil Conservation Unit (RSCU), Swedish International Development Authority (SIDA).
    • Kokwaro, J. O. (1976). Medicinal Plants of East Africa. East African Literature Bureau.
    • Keay, R. W. (1989). Trees of Nigeria. Claredon Press Oxford.
    • Savill, P. S; Fox, J. E. D. (1967). Trees of Sierra Leone.
    • Williams, R. O. & OBE (1949). The useful and ornamental plants in Zanzibar and Pemba. Zanzibar Protectorate.
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