colchicum autumnale. autumn crocuses. violet flowers of plant family colchicaceae on dark background

autumn autumnale background black blooming blossom botanical botany bulb colchicaceae colchicine colchicum crocus crocuses dark decorative delicate detail evergreen family flora floral floristic flower flowering flowers garden gardening green guntermanaus lilac macro meadow medicinal melanthium natural nature petal pink plant purple saffron seasonal spring summer violet white wild