southern globethistle echinops ritro, close-up of flowers with a honeybee

aster asteraceae bearing bees botanical broad bushy compact cultivar echinops endemic family flora flowering flowers glandular globes globethistle habitat herbaceous hybrid inflorescence leaves natural perennial plant prickly rarity ritro southern sphaerocephalus steelblue thistle variety wild close-up flower honeybee steel-blue high resolution wildflower asteraceae flowers habitat