also: むしコブ
A gall has formed on this leaf.
There is often a larva inside a gall.
Common mixed kanji-kana spelling. The reading むしこぶ is standard.
Full kanji spelling using 瘤, but rare in practice.
Variant with katakana コブ. Reading むしコブ is used.
All-katakana spelling, mainly for search or emphasis. Reading normalized to hiragana.
Compound of 虫 (mushi, 'insect') and 瘤 (kobu, 'lump, bump'), literally 'insect bump'. The reading こぶ is the kun'yomi of 瘤.