clover flower herb hormone menopause plant red red clover macro nature trifolium pratense arnica color colorful daisy grass green marguerite meadow wildflowers yellow bushes hills mountains tree trees autumn four leafed clover harvest heart heart shaped potatoe love luck lucky lucky clover red potatoe bloom blooming blossom blossoming blossoms blossomy botanic colors colour colourful colours flowers hormones phytoestrogens phytotherapy pink plants purple shamrock spring summer trefoil close up growth agricultural crop farm field landscape natural rural Spain spanish