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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 | Hieracium umbellatum L. |
| Synonyms | Hieracium acranthophorum Omang; Hieracium canadense Michaux; Hieracium canadense var. divaricatum Lepage; Hieracium canadense var. fasciculatum (Pursh) Fernald; Hieracium canadense var. hirtirameum Fernald; Hieracium canadense var. subintegrum Lepage; Hieracium columbianum Rydberg; Hieracium devoldii Omang; Hieracium ×dutillyanum Lepage; Hieracium eugenii Omang; H. kalmii Linnaeus; Hieracium kalmii var. canadense (Michaux) Reveal; Hieracium kalmii var. fasciculatum (Pursh) Lepage; Hieracium musartutense Omang; H. nepiocratum Omang; Hieracium rigorosum (Laestadius ex Almquist) Almquist ex Omang; Hieracium scabriusculum Schweinitz; Hieracium scabriusculum Schweinitz var. columbianum (Rydberg) Lepage; Hieracium scabriusculum Schweinitz var. perhirsutum Lepage; Hieracium scabriusculum Schweinitz var. saximontanum Lepage; Hieracium scabriusculum Schweinitz var. scabrum (Schweinitz) Lepage; Hieracium stiptocaule Omang; Hieracium umbellatum L. subsp. canadense (Michaux) Guppy; Hieracium umbellatum L. var. japonicum H. Hara; Hieracium umbellatum L. var. scabriusculum (Schweinitz) Farwell |
| Common name | (Japanese common name) yanagi tapopo (ヤナギタンポポ, 柳タンポポ [meaning: willow leaved tanpopo (tanpopo = Taraxacum platycarpum)]) |
| (English common name) narrowleaf hawkweed, northern hawkweed | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku |
| (Other nations) Russia, Korea, India, Pakistan, Kazakhstan, Kyrgyzstan, Tajikistan, Caucasus, Afghanistan, Iran, Turkey, Europe, Canada, USA | |
| Habitat | Mountane wet field |
| Chromosomal number | 2n=18+0+1B, 27 |
| Description | Plants electing 30-120cm tall, hairy. Leaves 4-12cm long, 5-12mm wide. Flowers pedicels 2-5cm long, yellow head ca. 2.5-3.5cm across, flowering in August to September. Fruits 2.5-3mm long. Perennial plants. |
| Reference | Hieracium umbellatum L. |
| Hieracium umbellatum L. | |
| Hieracium umbellatum Linnaeus | |
| Combination of plants for telling the time (WIPO Patent WO/1998/022855) |
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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 |
