primrose primula veris flower on a meadow

2016 beautiful beauty bingen bloom blossom botany bronchial capsule citron cough cowslip delicate essential europe family federal field flavonoids flora flower flowers fruit grass herbaceous hildegard inflorescence key leaf meadow medicinal nature oils order perennial petals plant plants powder primrose primula propagate protection rutoside saponins season sepals similarity small sneezing species spring stem veris von year yellow