noun
Hypericum erectum; St. John's wort (species)
A specific species of St. John's wort native to East Asia, often used in traditional medicine.
弟切草は、古くから傷薬として使われてきた。
Hypericum erectum has been used as a wound medicine since ancient times.
山道で黄色
I found yellow Hypericum erectum flowers along the mountain path.
Refers broadly to St. John's wort (Hypericum perforatum), a different species commonly used in Western herbal medicine, while 弟切草 specifically denotes Hypericum erectum.
The kanji 弟切草 literally means 'younger brother cutting grass'. The name is said to derive from a legend in which a younger brother was cut down while trying to harvest the plant, but the exact origin is uncertain.