Sorbaria sorbifolia Sem - False goat's beard - Dobbies Garden Centres
https://www.dobbies.com/products/plants/sorbaria/sorbaria-sorbifolia-sem/
False goat's beard. Colour changing fern-like leaves. A striking shrub forming a thicket of upright, tan-coloured stems up to 1.5m (5ft) tall but usually smaller.
I started to google beard and came across 1811 "Dictionary of the Vulgar Tongue," the phrase beard-splitter is defined as, "A man much given to wenching"
At that point I gave up. Google can take you to some strange places.