"Gizu": winter grazing in the South Libyan Desert

"Gizu" (also spelt gizzu, jizu ang jizzu) is a sudanese term for an  ephemeral type of succulent winter grazing which occurs on the southern fringes of the Libyan desert in approximately two years out of five.

The floral composition of the gizu according to various authors (Wilson, 1978)
The floral composition of the gizu: bibliography  : 1   
The floral composition of the gizu: bibliography  : 2