黒こく斑はん

noun, noun which may take the genitive case particle 'no'

black spot; black speck

Refers to a dark spot or speck on a surface, skin, or object. Can be used as a noun or as a no-adjective (e.g., 黒斑の模様).

• この布ぬのには黒こく斑はんがいくつかある。

  This cloth has several black spots.

• 黒こく斑はんのある葉はは病びょう気きかもしれない。

  Leaves with black spots might be diseased.