noun
Crepidiastrum keiskeanum (species of daisy)
A plant in the Asteraceae family, native to Japan. Botanical term.
アゼトウナは海岸の岩場に生える多年草です。
Crepidiastrum keiskeanum is a perennial that grows on coastal rocks.
The name likely derives from 畔 (aze, 'ridge between rice fields') and 唐菜 (tōna, a type of leaf vegetable), but the exact origin is uncertain.