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| June 2008 at subalpine forest |
June 2008 at subalpine forest |
June 2008 at subalpine forest |
| Family | Saxifragaceae |
| Scientific name | Tiarella polyphylla D. Don |
| Synonyms | none |
| Common name | (Japanese common name) zuda-yakushu (ズダヤクシュ, 喘息薬種 [meaning: medical herb for asthma]) |
| (English common name) foam flower | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku |
| (Other nations) China, Taiwan, Myanmar, Nepal, Bhutan, India | |
| Habitat | Mountane needle leaf trees forest |
| Chromosomal number | 2n=14 |
| Description | Scapes 10-40cm tall. Leaves 2-6cm wide, petioles 1-13cm long. Flowers white calyxs 2-3mm long, 10 stamens, flowering in June to August. Fruits 7-12mm long, seeds 1.2-1.4mm long. Perennial plants. |
| Reference | Tiarella polyphylla D. Don |
| Tiarella polyphylla D. Don | |
| A composition comprising an extract of Tiarella polyphylla and tiarellic acid isolated therefrom having antiinflamaatory, antiallergic and antiasthmatic activity (WO/2007/011148) | |
| Liver function protecting or improving agent (European Patent EP1213027/2003) |
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| June 2008 at subalpine forest |
June 2008 at subalpine forest |
June 2008 at subalpine forest |
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| June 2008 at subalpine forest |
