Miscanthus tinctorius

Miscanthus tinctorius Hack. is a dye plant.

Colors
It gives a yellow colour, with alum mordant gives mustard, called karashi-iro 芥子色, with iron mordant a green called uguisu-iro 鴬色. Another green is achieved when overdyed with indigo, and it's called moegi-iro 萌葱色[1].

Parts used
Stems and leaves, harvested in autumn.

Synonyms
In japanese is called 苅安, also 刈安 [kariyasu]