Translation guide
The common cattail is a tall wetland plant with a distinctive brown, sausage-shaped flower spike. In Japanese, the most common term is ガマ, but several other names exist depending on context, region, or part of the plant.
Referring to the cattail plant as a species, typically in nature, gardening, or general conversation.
The standard, most widely understood word for the cattail plant. Often written in katakana, but can also be written as 蒲 in kanji.
Cattails are growing by the pond.
The kanji for ガマ. Used in formal or written contexts, or in compound words. Less common in everyday speech.
蒲の穂は生け花に使われる。
Cattail spikes are used in ikebana.
Literally 'water grass', a generic term that can include cattails but is not specific. Rarely used to mean cattail specifically.
ミズクサが池に浮かんでいる。
Water grass is floating on the pond.
Referring specifically to the brown, sausage-shaped part of the plant, often used in crafts or as a visual feature.
Literally 'cattail's ear/head', the most common way to refer to the flower spike. Used in everyday conversation.
ガマの穂が風に揺れている。
The cattail spikes are swaying in the wind.
Kanji version of ガマの穂, used in written or formal contexts.
蒲の穂を乾燥させて飾る。
Dry cattail spikes and use them as decoration.
Refers to the fluffy seeds that come out of the mature spike. Not the spike itself, but the cotton-like material.
ガマの穂綿は枕の中身に使われた。
Cattail fluff was used as pillow stuffing.
Referring to edible parts of the cattail, such as shoots or pollen, or its use in traditional medicine.
The pollen of the cattail, used in traditional Chinese and Japanese medicine. A technical term.
蒲黄は漢方薬に使われる。
Cattail pollen is used in Kampo medicine.
A dish where cattail shoots are cooked in a sweet soy sauce glaze, similar to eel (unagi) preparation. Very regional and rare.
この地方では蒲焼きが名物だ。
In this region, cattail shoots cooked in soy glaze are a specialty.
For most situations, ガマ is the safest and most understood word. Use ガマの穂 when you specifically mean the brown spike.
Do not try to translate 'common cattail' word-for-word. There is no direct equivalent for 'common' in this plant name; simply ガマ is sufficient.