yellow flowers of woolly-flowered astragalus astragalus dasyanthus. medicinal steppe plant close-up.

acids astragaloside astragalus blood calcium camperol cardiovascular close compounds coumarins dasiantobioside elements essential eukaryotes failure flora flower glycyrrhizin green herbaceous hypertension infusion iron isoramnetin leaves legumes low magnesium manganese medicine narcissin natural nature oil organic perennial petal pharmacognosy pharmacology phosphorus plant pressure quercetin sedative silicon sodium spring steppe summer tannins trace triterpene use vitamins wild yellow