偽ぎ花か

noun

pseudanthium; flower head

Botanical term for a cluster of small flowers that resembles a single flower, as in daisies or sunflowers.

• ヒマワリの花はなは実じつは偽ぎ花かで、たくさんの小ちいさな花はなが集あつまっている。

  A sunflower's bloom is actually a pseudanthium, made up of many tiny flowers.