flowers of the karoo gold rhigozum obovatum burch 14645

africa arid beautiful beauty bloom blossom botanical botany branched branches bright burch burchit climate color covered drab dry environment evergreen filament flora floral floriculture flower flowers garden gold goldenyellow green habitat karoo leaves looking multi natural nature obovatum outdoors people petal plant pollen pollination reproduction rhigozum rigid semiarid shrub single small southern spiny spring springtime stamen stigma style these tree two yellow