Dieffenbachia 'Amoena'

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The biggest cultivated Dieffenbachia, also known as D. seguine 'Amoena',
D. bowmannii 'Amoena' or D. amoena.

It looks the best growing in a greenhouse.
The leaf blade grows up to 60 cm.
The inflorescence (20 cm of height). The male part is relatively thick.