helianthus tuberosus l. or girasol, jerusalem artichoke earth apple flowers

aroma artichoke autumn beautiful biology bloom blossom blow blue botanical bush daisy ecology edible fall field flora foliage food fragrance fresh garden girasol grass green helianthus herbaceous herbal inflorescence leaf meadow medical natural orange ornamental outdoor perennial petal potato root seasonal shrub spring stem summer sunlight topinambur tuber tuberosus vegetable