Berberis thunbergii 'Atropurpurea Superba'

Appears like a large growing variant of 'Atropurpurea' with good form and larger bronze-red leaves. This is probably b. ×”ottawensis Schneid. 'Superba' ( b. thunbergii × b. vulgaris); it grows to 2.5 m tall, has leaves 1.5-3.5 cm long and berries about 9 mm long and 5 mm wide.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Ranunculanae
order      Ranunculales
family       Berberidaceae
genus        Berberis L.
species         Berberis thunbergii D C.