Astilbe glaberrima

Astilbe glaberrima, called the florist's spiraea and smooth rock astilbe, is a species of flowering plant in the genus "Astilbe", native to Yakushima Island, Japan. Some authorities have it as a subspecies of "Astilbe japonica", "Astilbe japonica" subsp. "glaberrima". Its dwarf variety "Astilbe glaberrima" var. "saxatilis" has gained the Royal Horticultural Society's Award of Garden Merit.
Varieties.
The following varieties are currently accepted: