https://www.rhs.org.uk/plants/158019/colutea-nepalensis/details
Colutea nepalensis | Nepal bladder senna /RHS
bladder sennacoluteanepalrhs
https://www.merriam-webster.com/dictionary/bladder%20senna
BLADDER SENNA Definition & Meaning - Merriam-Webster
The meaning of BLADDER SENNA is any of several leguminous shrubs of the genus Colutea; especially : a yellow-flowered European shrub (C. arborescens)...
bladder sennadefinitionmeaningmerriamwebster