合ごう弁べん花か冠かん

noun

gamopetalous corolla; sympetalous corolla

Botanical term for a corolla with petals fused together, as in morning glories or petunias.

• アサガオの花はなは合ごう弁べん花か冠かんの代だい表ひょう例れいです。

  The morning glory flower is a typical example of a gamopetalous corolla.