appearance black brightly-coloured carpeting-plants clump-forming clumps color coloration colored colorful colors colour coloured colourful colours common daisy-like drought-tolerant environmental-weed flower flowers garden flowers garden-escape gazania gazanias golden hardy introduced-species invasive lance-shaped-leaves low-growing orange perennial plants prolific rapid-spreader resilient roadside-weeds South-African streaked tough vivid water-wise weed widespread wind-blown-seeds yellow abstract background blue-crown-passionflower blue-passion-flower caerulea climber close-up coloring colouring common-passionflower cultivar cut edible evergreen fast-growing flora foliage food fruit hardy-passionflower leaves open ornamental ornamental-passionfruit Passiflora passiflora-caerulea passion-fruit passionfruit pith pulp radial seeds skin strange tasty tendrils tropical-twining-vine unusual vigorous vine