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| August 2008 at Nikko Botanical Garden |
August 2008 at Nikko Botanical Garden |
August 2008 at Nikko Botanical Garden |
| Family | Asteraceae (alt. Compositae) |
| Scientific name | Arnica mallotopus Makino |
| Synonyms | Arnica mallatopus (Franchet & Savatier) Makino; Mallotopus japonicus Franchet & Savatier |
| Common name | (Japanese common name) chouji-giku (チョウジギク, 丁子菊 [meaning: clove aster]) |
| (English common name) Chinese yarrow | |
| Distribution | (Japan) Honshu (Japan Sea side), Shikoku (Mt. Tsurugi) |
| (Other nations) none | |
| Habitat | Subalpine or mountane wet slope |
| Chromosomal number | 2n=18 (19?) |
| Description | Plants electing 20-85cm tall. Leaves 7-12.5cm long, 12-28mm wide. Flowers pedicels long with white hair, corollas 6.5-7.5cm long, flowering in August to October. Fruits 4-5mm long. Perennial plants. |
| Reference | Arnica mallatopus (Franch. et Savat.) Makino |
| A Molecular Phylogenetic Study of Arnica (Asteraceae) : Low Chloroplast DNA Variation and Problematic Subgeneric Classification | |
| Origin and relationships of the tarweed–silversword lineage (Compositae–Madiinae) |
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| August 2008 at Nikko Botanical Garden |
August 2008 at Nikko Botanical Garden |
August 2008 at Nikko Botanical Garden |
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| August 2008 at Nikko Botanical Garden |
August 2008 at Nikko Botanical Garden |
August 2008 at Nikko Botanical Garden |
