thorny leaves and old flower spike of a bitter aloe (aloe ferox), native to southern africa

plant tree flower leaf garden jungle green vegetation tropics produce forest nature cactus branch grass shrub thorny leaves old spike bitter aloe ferox native southern africa medicine medicinal summer spring close background botany environment closeup park outdoor flora natural african africana agave arid botanical botswana detail eastern cape province foliage frond karoo kwazulu-natal outdoors prickly shape sharp south succulent texture thorn flowering asphodelaceae woody indigenous africa aloes purgative medication