also: まるぶしゅかん
The marubushukan is a type of citron with thick, fragrant peel.
シトロン is the common term for citron; マルブシュカン is a rare synonym.
Rare kanji spelling for a rare term; the katakana form is more common.
Hiragana spelling; less common than katakana but still usable.
The reading マルブシュカン is likely derived from a Chinese or Southeast Asian language; the exact origin is uncertain. The kanji 丸仏手柑 literally means 'round Buddha's hand citrus', referring to the fruit's shape.