close-up of frond of encephalartos horridus or eastern cape blue cycad

africa arid blue botany branches bristly bush cape close cycad cycadaceae drought east eastern encephalartos endangered foliage garden green horridus karoo leaf leaflets leaves nature outdoors park plant province rock rockery scrub silvery sourveld south spiny spring stems stiff summer sunlight sunny sunshine tolerant zamiaceae small low-growing cycad native found shrublands commonly ridges slopes shallow soils