The tree is growing on over 4.8 million hectares of land in Niger. Half a million farmers in Malawi and in the southern highlands of Tanzania grow the tree on their maize fields.

Scientists at today's conference noted some 700 published references to the tree's history, ecology, and growing habits. "Knowledge of this tree is farmer-driven," said Garrity.

A moderate-to-fast-growing small evergreen (evergray?) tree, the purple-leaf acacia reaches 20 to 30 feet tall and wide. Its dense, spreading canopy is easily shaped as a single- or multi-trunk tree.

With unusual trees and shrubs from Australia and Africa, the Conn Acacia Grove at UC Davis Arboretum is now in full bloom. These plants aren’t only pretty; they’re also super drought tolerant.

In the village of Ndodo, 25 miles south of the Malawian capital Lilongwe, farmers gather in the shade of an acacia tree as a voice over a smartphone tells them how to get rid of a weevil that’s ...

OAKLAND (KPIX 5) -- There's new color in the East Bay Hills but they are not fall colors. The changing leaves may be the result of a mysterious and deadly tree fungus attacking acacia trees all ...

In the middle of Kibbutz Ketura’s experimental orchard is a 900 year-old acacia tree. It was a mere twig peaking above the sand when Rashi was writing his final commentaries.

TAGBILARAN CITY — Bishop Alberto Uy of the Diocese of Tagbilaran on Sunday slammed the cutting of acacia trees to pave the way for a gasoline station. "We have more than enough gas ...