Laburnum sp. (Golden Chain Tree)
Laburnum anagyroides
Botanical name: Laburnum sp.
Common names: Golden Chain Tree, Scotch Laburnum
Family: Fabaceae
Subfamily: Faboideae
Origin: Southern Europe
USDA Plant Hardiness Zone Map
Deciduous tree or shrub, up to 30 feet tall (9 m); pinnate leaves, 3 leaflets.
A very tolerant and easily grown plant, it succeeds in almost any soil or situation so long as it is not water-logged. It grows well in heavy clay soils and in poor shallow limestone soils. Succeeds in cold exposed situations and tolerates industrial pollution.
The leaves are cholagogue and purgative. All parts of the plant, and especially the seed, are poisonous.
Link to this plant:
https://toptropicals.com/catalog/uid/laburnum_sp.htm