medicinal plant: melilotus officinalis (yellow sweet clower)

alternate background biennial bloom blossom bokeh botanical bright calyx clover clower clusters common coumarin delicious ecology edible environment eurasian fabaceae field flowers foliage fragrant grassland green herbaceous herbal honey inflorescence landscape leaflet leaves legume medicinal medicine melilot melilotus millet natural nature nectar officinalis outdoors plant plants racemes ribbed smell stems summer sweet vibrant vivid white wild wildflowers yellow