11.5.2008 筑波実験植物園 
Tsukuba Botanical Garden No1

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Clematis name: 'Ivan Olsson' イワンオルソン
Group: Early large-flowered group 大輪早咲き系
Flowering period(s): May Jun Sep 5月 6月 9月
Pruning: Light prune (Group 2) 弱剪定
Raised by: Magnus Johnson マグナスジョンソン
Country of origin: Sweden スウェーデン
Date raised: 1955 1955
Parentage: 'The President' seedling ザプレジデントの実生
Flower colour: Ice-blue 薄いブルー
Size and shape of sepals: 8-14cm Tepals: 8(12), 8-14cm 花被片: 8(12),
Colour of stamens:
filaments and anthers
Prominent purple anthers.
Other name(s): None known 無し
 

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