I think the budding/green blossom item from Dark Souls is based on primrose (primula vulgaris) a medicinal herb native to Europe which was commonly used to cure fatigue in medieval times
primrose was commonly used in food and teas and was believed to harness healing properties from the sun and was used to ward off illness and melancholia. the 15th century Hortus Sanitatis states that "airy spirits dread the primrose’s sun-given power and will cease their torment" when placed near the heart.
primrose was featured in various poems, songs and art throughout history and has since become a protected species. the plant is so valuable that harming or even picking the flowers is considered a serious crime in most countries.
