acorus

acorus — noun

1. A group of wetland plants with long, narrow leaves and a thick central spike of

1.名詞C2
釋義

A group of wetland plants with long, narrow leaves and a thick central spike of tiny yellow-green flowers. They grow from creeping roots in shallow water or muddy soil. The best-known species is sweet flag, whose root has been used in traditional medicine and perfumery for centuries.

例句

Niran planted acorus along his pond to create a natural wetland look.

common garden use: 'planted acorus' in water-garden context

A local healer showed Elena how dried acorus root is used in traditional medicine.

medicinal collocation: 'dried acorus root'

同義詞
  • sweet flag

    common name specifically for Acorus calamus, not the entire genus

  • calamus

    older botanical name for the genus, also refers to a different plant (Calamus — rattan palm)

文法句型

Acorus + [verb] (singular)

the Acorus + [noun]

用法筆記

Often capitalized in formal botanical writing (Acorus), but lowercase in general gardening and lay contexts. The most commonly encountered species is Acorus calamus, known as sweet flag.

常見錯誤

❌Acorus has large, showy flowers that bloom in summer.
✅Acorus produces small, inconspicuous yellow-green flowers on a central spike, and is grown mainly for its foliage and root.
💡The flowers of acorus are tiny and not showy; the plant is valued for its leaves and aromatic root, not its blooms.