cocklebur; Xanthium strumarium
A common weed with spiny burs that stick to clothing and animal fur. The plant is widely known in Japan, and the name is often used in katakana.
In autumn, cocklebur fruits stick to your clothes.
オナモミは道端によく生えている。
Cockleburs often grow by the roadside.
Usually written in katakana; usually written in kana.
Hiragana spelling; less common than katakana but still encountered.
Rare kanji spelling; mainly found in botanical or historical contexts.
Rare single-kanji variant; not commonly used.
Rare kanji spelling; may be encountered in older texts.
The Japanese name オナモミ is of uncertain origin. It may be related to the plant's bur-like fruits, but the exact derivation is unclear.