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| August 2007 at roadside |
August 2007 at roadside |
August 2007 at roadside |
| Family | Asteraceae (alt. Compositae) |
| Scientific name | Ambrosia artemisiifolia L. |
| Synonyms | Ambrosia absynthifolia Michaux; Ambrosia artemisiifolia L. forma villosa Fernald & Griscom; Ambrosia artemisiifolia L. subsp. diversifolia Piper; Ambrosia artemisiifolia L. var. elatior (L.) Descourtilz; Ambrosia artemisiifolia L. var. jamaicensis Grisebach; Ambrosia artemisiifolia L. var. octocornis Kuntze; Ambrosia artemisiifolia L. var. quadricornis Kuntze; Ambrosia artemisiifolia L. var. paniculata Blankinship; Ambrosia diversifolia (Piper) Rydberg; Ambrosia elata Salisbury; Ambrosia elatior L.; Ambrosia elatior L. var. artemisiifolia (L.) Farwell; Ambrosia elatior L. var. heterophylla (Muhlenberg ex Willdenow) Farwell; Ambrosia glandulosa Scheele; Ambrosia heterophylla Muhlenberg ex Willdenow; Ambrosia longistylus Nuttall; Ambrosia media Rydberg; Ambrosia monophylla (Walter) Rydberg; Ambrosia paniculata Michaux; Ambrosia simplicifolia Raeuschel; Iva monophylla Walter |
| Common name | (Japanese common name) buta-kusa (ブタクサ, 豚草 [meaning: pig weed]) |
| (English common name) annual ragweed, bitterweed, common ragweed, ragweed, Roman-wormwood | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) [native] Canada, USA | |
| Habitat | Roadside, field, riverside |
| Chromosomal number | n=18, 2n=34, 36 |
| Description | Plants electing 30-120cm tall. Leaves 6-12cm long. Flowers head ca. 2-3mm across, flowering in July to October. Fruits 3-5mm long. Annual plants. |
| Reference | Ambrosia artemisiifolia L. |
| Ambrosia artemisiifolia L. | |
| Ambrosia artemisiifolia L. | |
| Ambrosia artemisiifolia Linnaeus | |
| Method of obtaining lead and organolead from contaminated media using metal accumulating plants (US Patent US Patent 5320663/1994) | |
| 1,2-dithiins having antifungal activity (US Patent 5580897/1996) | |
| Stabilization of hypoallergenic, hyperdigestible previously reduced proteins (US Patent 6677433/2004) | |
| Fusion molecules and treatment of IgE-mediated allergic diseases (US Patent 7265208/2007) | |
| T cell epitopes of the major allergens from Ambrosia artemisiifolia (WIPO Patent WO/1996/013589) | |
| Note | Naturalized plants (introduced in mid 19th). |
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| August 2007 at roadside |
August 2007 at roadside |
August 2007 at roadside |
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| August 2007 at roadside |
August 2007 at roadside |
August 2007 at roadside |
