The basic leaves of Papaver guianensis are ovate to lanceolate, with two pinnate deep splits. The small lobes are lanceolate or oblong, serrated, green and hairy on both sides. Stem leaves more, alternate, shape similar to basal leaves, smaller
The leaves of Yumei are alternate, with narrow ovate or lanceolate outline, pinnately divided and completely divided at the bottom. All lobes are lanceolate and bipinnate, lobes lanceolate.
Papaver guianensis is a solitary flower with a wide oval or oval flower bud, 4-6 petals in a wide obovate or fan shape, red or crimson in color, short claws at the base, and sometimes purple and blue spots. The flowering period is from June to July every year.
Yumei flower is also solitary on the top or stem of the branch. The flower bud is oblong and obovate. All the petals are 4, round, purple red in color, with dark purple spots at the base. The flowering period is from March to August.
