Plants of the African Savanna Photo:. Savannas encompass almost 50 percent or about 5 million square miles of land in Africa. Also known as tropical grasslands, savannas receive between 20 and 50 inches of rainfall on average annually, all of which falls in a six- to eight-month period. Some savannas receive as little as 6 inches of precipitation annually.
Chloris gayana Kunth [ Poaceae ]. Rhodes grass Chloris gayana Kunth is an important tropical grass widespread in tropical and subtropical countries. It is a useful forage for pasture and hay, drought-resistant and very productive, of high quality when young.
Add To My Wish List. An interesting palm like tree that will branch with age to produce several heads; produces large panicles of sweet smelling white blooms; may be grown in zone 8b with some protection; a wonderful addition to a tropical themed garden. Red Star Red Grass Tree features dainty panicles of fragrant white round flowers with chartreuse eyes along the branches from late spring to early summer.