Pieris D. Don.
Engl.: fetterbush.

Pieris japonica

Pieris japonica (Thunb. ex Murr.) D. Don ex G. Don.
Engl.: Japanese pieris, Japanese andromeda, lily-of-the-valley bush.
Suom.: kellovaivero.
Sven.: buskrosling.
Jap.: asebi.
Bot. syn.: Andromeda japonica Thunb.

Pieris nitida

Pieris nitida (Bartr. ex Marsh.) Benth. & Hook. f.
Engl.: fetter-bush.
Bot. syn.: Andromeda nitida Bartr. ex Marsh., Desmothamnus nitida (Bartr. ex Marsh.) Small, Lyonia nitida (Bartr. ex Marsh.) Fern., Neopieris nitida (Bartr. ex Marsh.) Britt. & A. Br.

I have no articles for this botanical term, but there might be some for the next level down (if found).