noun
American pokeweed; pokeweed
A plant species (Phytolacca americana); the name is typically written in katakana. Used in botanical and everyday contexts.
ヨウシュヤマゴボウは北米原産の多年草です。
American pokeweed is a perennial plant native to North America.
庭にヨウシュヤマゴボウが生えてきた。
Pokeweed has started growing in the garden.
From 洋種 (ようしゅ, 'Western variety') + 山牛蒡 (やまごぼう, 'pokeweed'). The exact historical derivation is uncertain, but the name distinguishes the American species from native Japanese pokeweed.