The opium <e1>poppy</e1>, Papaver somniferum, is the source of the narcotic analgesics <e2>codeine</e2> and morphine, which accumulate in specialized internal secretory cells.
The opium poppy, Papaver
The opium poppy, Papaver somniferum, is the source of the narcotic analgesics codeine and morphine, which accumulate in specialized internal secretory cells.
<triplet> poppy <subject> codeine <object> Entity-Origin(e2,e1)