Senegalia nigrescens

Senegalia nigrescens
	In Limpopo, South Africa
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Fabales
Family:	Fabaceae
Subfamily:	Caesalpinioideae
Clade:	Mimosoid clade
Genus:	Senegalia
Species:	S. nigrescens
Binomial name
	Senegalia nigrescens; (Oliv.) P.J.H.Hurter
Synonyms
	Acacia nigrescens Oliv.;

Senegalia nigrescens, the knobthorn, is a deciduous African tree, growing up to 18 m tall,^[1] that is found in savanna regions from West Africa to South Africa. The tree is resistant to drought, not resistant to frost and its hard wood is resistant to termites.^[1]

Ecology

Giraffes often browse on the flowers and foliage of this tree, while the seed pods and foliage are browsed on by a range of mammals, including elephants.^[2]

Uses

An ointment made from the roots has traditionally been used to treat convulsions.^[3]

Gallery

compound leaves
flower spike
rufous seed pods
knobbly bark

References

^ ^a ^b Masupa, Thabo. "Senegalia nigrescens (as Acacia nigrescens)". PlantZAfrica.com. National Herbarium, Pretoria. Retrieved 7 October 2012.
^ Van Wyk, Piet (2008). Field guide to the TREES of the Kruger National Park. Cape Town: Struik. p. 69. ISBN 978-1-77007-759-1.
^ Cumes, David (2009). Healing trees & plants of the Lowveld. Rael Loon, Dries Bester. Cape Town, South Africa: Struik Nature. ISBN 978-1-77007-833-8. OCLC 506229195.