一種

1. Origins, structure, and basic meaning

• Structure: 一種(いっしゅ) means one kind or membership in a certain sort of category.
• Basic usage: It counts types of flowers and also appears when an action is interpreted as a kind of agreement.

2. Common pitfalls and similar expressions

• Describing a category with 一種の
  • 一種の同意 interprets something as a form of agreement rather than asserting that it is fully identical to explicit agreement. 一種だけ is a quantity expression limiting the number of kinds to one.