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Single, nodding blue-purple flowers 4-5cm long.

Group: Integrifolia group
Approximate height: 2.0 - 2.5 metres
Flowering period(s): Jun Jul Aug Sep
Aspect: Any aspect
Pruning: Hard prune (Group 3)
Raised by: Kazuhige Ozawa
Country of origin: Japan
Date raised: 1990
Parentage: C integrifolia x C reticulata
Other name(s): 'Rooguchi'; 'Rouguchi'; 'Roguchi' (US & Canada); x diversifolia 'Rouguchi'; integrifolia 'Rogouchii' or 'Rooguchi' or 'Rouguchi'

Further detail:

Flower diameter: 2.5cm
Tepals: 4, heavily ribbed, recurving at tips