野牡丹

 ノボタン on Japanese Wikipedia

Literally, “field peony”, 野(の) (no, “field, wild”) + 牡丹(ぼたん) (botan, “peony”)

• IPA^(key): [no̞bo̞tã̠ɴ]

野(の)牡(ぼ)丹(たん) or 野牡丹(ノボタン) • (nobotan) 

1. Melastoma candidum

As with many terms that name organisms, this term is often spelled in katakana, especially in biological contexts (where katakana is customary).