散さん形けい花か序じょ

noun

umbel; umbellate inflorescence

Botanical term for a flower cluster where stalks radiate from a common center, like an umbrella. Used in technical descriptions of plants.

• ニンジンの花はなは散さん形けい花か序じょをつける。

  Carrot plants produce umbellate inflorescences.

• セリ科かの植しょく物ぶつは散さん形けい花か序じょが特とく徴ちょう的てきだ。

  Plants of the Apiaceae family are characterized by their umbels.