''Astilbe glaberrima'', called the florist's spiraea and smooth rock astilbe, is a species of flowering plant in the genus ''

Astilbe ''Astilbe'' is a genus of 18 species of rhizome, rhizomatous flowering plants within the family (biology), family Saxifragaceae, native plant, native to mountain ravines and woodlands in Asia and North America. Some species are known by the comm ...

'', native to Yakushima Island, Japan. Some authorities have it as a subspecies of ''

Astilbe japonica ''Astilbe japonica'', called false buck's beard, is a species of flowering plant in the genus ''Astilbe'', native to Japan, and introduced in New York State. Its hybrid cultivars 'Deutschland', 'Montgomery', and 'Rheinland' have gained the Royal ...

'', ''Astilbe japonica'' subsp. ''glaberrima''. Its dwarf variety ''Astilbe glaberrima'' var. ''saxatilis'' has gained the Royal Horticultural Society's

Award of Garden Merit The Award of Garden Merit (AGM) is a long-established annual award for plants by the British Royal Horticultural Society (RHS). It is based on assessment of the plants' performance under UK growing conditions. History The Award of Garden Merit ...

Varieties

The following varieties are currently accepted: *''Astilbe glaberrima'' var. ''glaberrima'' *''Astilbe glaberrima'' var. ''saxatilis'' (Nakai) H.Ohba

References

glaberrima Endemic flora of Japan Plants described in 1922 {{Saxifragaceae-stub