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| June 2008 at open field in Hokkaido |
June 2008 at open field in Hokkaido |
June 2008 at open field in Hokkaido |
| Family | Asteraceae (alt. Compositae) |
| Scientific name | Matricaria discoidea (de Candolle) J. Gay ex A. Braun |
| Synonyms | (Synonyms of Matricaria discoidea (de Candolle) J. Gay ex A. Braun) Artemisia matricarioides auct., non Lessing; Chamomilla discoidea (de Candolle) J. Gay ex A. Braun; Chamomilla suaveolens (Pursh) Rydberg; Lepidotheca suaveolens (Pursh) Nuttall; Matricaria matricarioides auct., non (Lessing) Porter ex Britton; Matricaria suaveolens sensu (Pursh) Buchenau, non L.; Santolina suaveolens Pursh; Tanacetum suaveolens (Pursh) Hooker (Synonyms of Matricaria matricarioides (Lessing) Porter ex Britton) Artemisia matricarioides Lessing; Artemisia pauciflorum Weber ex Stechmann; Chrysanthemum bipinnatum L. ssp. huronense (Nuttall) Hultén; Cotula matricarioides (Lessing) Bongard; Tanacetum bipinnatum (L.) Schultz Bipontinus subsp. huronense (Nuttall) Breitung; Tanacetum huronense Nuttall; Tanacetum huronense Nuttall var. bifarium Fernald; Tanacetum huronense Nuttall var. floccosum Raup; Tanacetum huronense Nuttall var. johannense Fernald; Tanacetum huronense Nuttall var. terrae-novae Fernald; Tanacetum pauciflorum Richardson |
| Common name | (Japanese common name) ko-shika-giku [small shika-giku (shika-giku = Tripleurospermm tetragonospermum (F. Schmidt) Pobedimova (syn.Matricaria tetragonosperma (F. Schmidt) H. Hara & Kitamura))], orosha-giku [Russian dasy] |
| (English common name) disc mayweed, pineapple weed, rounded chamomile | |
| Distribution | (Japan) Hokkaido, Honshu (mainly north of Central region) |
| (Other nations) Russia, Korea, China, Canada, USA, Mexico | |
| Chromosomal number | 2n=18 |
| Description | Plants 10-30cm tall. Flowers pale yellow 6-9mm, flowering in July to September. Annual plants. |
| Reference | Matricaria discoidea DC. |
| Matricaria discoidea de Candolle | |
| Matricaria discoidea DC. | |
| Tanacetum bipinnatum (L.) Sch. Bip. ssp. huronense (Nutt.) Breitung | |
| Pyridone compounds useful for producing pyridine compounds (US Patent 7223862/2007) | |
| Cropping systems for managing weeds (WIPO Patent WO/2008/051633) | |
| Polymer composition with a biodegradable polymer and material, extract(s) and/or essential compound(s) from herbs of the Asteraceae family (European Patent EP1354914/2003) | |
| Oral prepararion having itching-relieving or antiproritic activity (European Patent EP1488797/2008) | |
| Note | There are many patents which the name of Matricaria matricarioides has been used or described in the patent claimes or detailed descriptions. However if the usage and identification of such a plant name has been incorrect then the legal validity of such patent claims might become in doubt. |
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| June 2008 at open field in Hokkaido |
June 2008 at open field in Hokkaido |
June 2008 at open field in Hokkaido |
