bright yellow ragwort flowers - jacobeae vulgaris

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