a large red flower with many petals surrounded by the elongated

argentina arms background beautiful beauty bloom blooming blossom botanical botany bracteal cactaceae cactus chamaecereus clear closeup color colorful colors echinopsis echinos elongated endemic flora floral flower funnel garden green hermaphrodites large lateral leaf macro many natural nature opsis outbreaks petals plant radial red sea species spiny spring summer surrounded symmetry thorns tucuman urchin vermilion view white yellow