noun
bur cucumber; star cucumber
A vine plant (Sicyos angulatus) native to North America, considered an invasive species in Japan. The name is usually written in katakana.
アレチウリは特定外来生物に指定されている。
The bur cucumber is designated as an invasive alien species.
河川敷でアレチウリが繁茂している。
Bur cucumber is overgrowing on the riverbed.
The name アレチウリ (荒地瓜) literally means 'wasteland gourd', referring to its habitat and cucumber-like fruit. The exact derivation is uncertain.