macro photo of a globe thistle plant, echinops ritro 'veitch's blue

backgrounds freshness science textured biochemistry biology chlorophyll closeup color colourful copy space detailed development discovery dreamlike elegance evolution feeding floral pattern fragility gardening geometric greenery growth herb horticulture improvement magnification marco meadow microbiology people oxygen petal photosynthesis pollen progress sharp sphere springtime strength sun sunlight vegetable vitality vulnerability wallpaper woodland