many bright yellow ragwort flowers, side view - jacobeae vulgaris

alkaloid allkaloids asteraceae benweed bloom blooming botanical botany bright bush cankerwort close closeup dog flora floral flower flowering flowers focus food head heads jacobeae jacobine jaconine jacozine james many meadow nanny nectar ninny otosenine pasture petal petals plant poisen poisonous pollen pollination ragwort retrorsine selective senecionine seneciphylline senkirkine side staggerwort stammerwort standard stinking tansy view vulgaris waste wasteland weed willie willy wort yellow