一品红的花是非常小的，花周围五颜六色的叶子被称为苞片。这些苞片让这种植物美丽起来。
The flowers of the poinsettia are very small. Around the flowers are colorful leaves called bracts. These bracts are what give the plants their beauty.
圆锥花序稀松的分枝，通常大，具数枚到多数总状花序或小的圆锥花序的；苞片相当小。
Panicle laxly branched, usually large, with several to many racemes or smaller panicles; bracts rather small.
花单生，没有小苞片的任何分枝在腋处，没有不育的花。
Flowers solitary, without any branching in axils of bracteoles, without sterile flowers.
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