very poisonous plant raven's eye four-leaf paris quadrifolia also known, berry or true lovers

paris plant herb woodland berry quadrifolia flower nature flora wild summer green wildlife wildflower one forest british natural botany macro spring rare beautiful melanthiaceae horizontal gloucestershire britain england black wood poisonous closeup close bloom cotswold landscape medicine purple lime background berries leaves color environment herbs toxic very raven#39aph39#s eye four-leaf also known true lovers knot growing fores