noun
A flowering plant (Orychophragmus violaceus) also known as オオアラセイトウ. The name ムラサキハナナ is the common Japanese name.
See also: オオアラセイトウ
春になると、公園のあちこちでムラサキハナナが咲いている。
In spring, Chinese violet cress blooms here and there in the park.
Synonym; オオアラセイトウ is another common Japanese name for the same plant.
From 紫 (murasaki, 'purple') + 花菜 (hanana, 'flowering vegetable/rape'), referring to the purple flowers and its resemblance to rapeseed flowers.