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| July 2007 at Kyoto Botanical Garden |
July 2007 at Kyoto Botanical Garden |
July 2007 at Kyoto Botanical Garden |
| Family | Hypericaceae (alt. Guttiferae) |
| Scientific name | Hypericum sampsonii Hance |
| Synonyms | Hypericum electrocarpum Maximowicz; Hypericum esquirolii H. Léveillé |
| Common name | (Japanese common name) tukinuki-otogiri-sou (ツキヌキオトギリソウ, 突抜弟切草 [meaning: penetrating stems otogiri weed (otogiri = Hypericum weeds; original Japanese meaning is murderer of younger brother)]) |
| (English common name) Sampson St.John's wort | |
| Distribution | (Japan) Kyushu |
| (Other nations) China, Taiwan, Vietnam, Myanmar | |
| Habitat | Field, forest edge |
| Chromosomal number | unknown |
| Description | Plants 20-80cm tall. Leaves 3-6.5cm long, 1.5-3cm wide. Flowers yellow 7-8mm across, flowering in June to July. Perennial plants. |
| Reference | Hypericum sampsonii Hance |
| Hypericum sampsonii Hance | |
| Note | Rare species |
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| July 2007 at Kyoto Botanical Garden |
July 2007 at Kyoto Botanical Garden |
July 2007 at Kyoto Botanical Garden |
