common cattail; bulrush
Refers to the plant Typha latifolia and related species, often found in wetlands. The katakana spelling ガマ is standard.
A lot of cattails are growing by the pond.
The cattail's flower spike is brown and fluffy.
Usually written in katakana; usually written in kana.
Hiragana spelling; less common than katakana but acceptable.
Kanji spelling; less common than katakana but still encountered.
Rare kanji spelling.
The origin of the word ガマ is uncertain. It is a native Japanese word, and the kanji 蒲 is conventionally used for this plant.