common vervain; common verbena
Refers to the plant Verbena officinalis. Typically written in katakana as クマツヅラ.
Common vervain is a perennial plant native to Europe.
Hiragana spelling is also used, especially in botanical contexts.
Kanji form is rare and mainly encountered in older or specialized texts.
The name クマツヅラ (熊葛) literally means 'bear vine', but the exact origin of the name is uncertain.