01 n. A white-flowered rosaceous shrub (Neillia opulifolia, or Spiraea opulifolia), common in the Northern United States. The bark separates in…
-
1.
A white-flowered rosaceous shrub (Neillia opulifolia, or Spiraea opulifolia), common in the Northern United States. The bark separates into many thin layers, whence the name.(Bot.)