Staphylea pinnata
From LSJ
ἀκμὴ οὐδὲ ἔχει γενέσεως ὑπόστασιν καθ' ἑαυτήν → the culmination has no power of originating by itself
Wikipedia EN
Staphylea pinnata, the European bladdernut, is a species of bladdernut native to Europe and naturalized in Britain.