| 词条 | Buddleja davidii 'Royal Purple' |
| 释义 |
| name = Buddleja davidii | cultivar = 'Royal Purple' | origin = Not known | image = Buddleja davidii 'Royal Purple'.jpg | image_caption = }}Buddleja davidii 'Royal Purple' is a cultivar of unknown origin. [1] Description'Royal Purple' reaches a height of 4–5 m, bearing 15–23 cm-long panicles of purple flowers.[1] Cultivation'Royal Purple' is in cultivation in the UK. Hardiness: USDA zones 6–9. [1] References1. ^1 2 Stuart, D. D. (2006). Buddlejas. RHS Plant Guide. Timber Press, Oregon. {{ISBN|978-0-88192-688-0}} {{Scrophulariaceae-stub}} 1 : Buddleja hybrids and cultivars |
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