single yellow wild daffodil flower narcissus pseudonarcissus on dark background

2017 against alkaloid amarylis amaryllidaceae april background cancer central charities corona daffodil dark decoration during fight flower garden isoprenoids isoquinoline large league lent lilly lycorine medicinal monoterpene narcissus perennial petal picture pistil pseudonarcissus season separ single spring stem stigma symbol taken trumpet wild yellow