The province of Barka is a boundless prairie, about 2,500 feet above the level of the sea, covered at the time of our journey with half-dried grass some five or six feet high, and dotted here and there with small woods of stunted mimosas.
"A Narrative of Captivity in Abyssinia With Some Account of the Late Emperor Theodore, His Country and People"
Henry Blanc
From Kassala to Kedaref we crossed interminable plains, covered with high grass, speckled here and there with woods of mimosas, too scanty to afford the slightest shade or protection during the fearful heat of the mid-day sun.
"A Narrative of Captivity in Abyssinia With Some Account of the Late Emperor Theodore, His Country and People"
Henry Blanc
The trees are mostly the thorny mimosas I have mentioned.
"Impressions of South Africa"
James Bryce