Senegalia nigrescens

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]

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.

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