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| October 2007 at rice paddy |
October 2007 at rice paddy |
March 2007 at edge of forest |
| Family | Asteraceae (alt. Compositae) |
| Scientific name | Sonchus asper (L.) Hill |
| Synonyms | Hieracium asperum (L.) Bernhardi; Hieracium sonchus E. H. L. Krause; Sonchus asper (L.) Hill forma glandulosus Hauman; Sonchus asper (L.) Hill forma inermis (Bischoff) Beck; Sonchus asper (L.) Hill subsp. nymanii (Tineo & Gussone) Hegi; Sonchus asper (L.) Hill var. glanduliferus Garrett; Sonchus asper (L.) Hill var. inermis Bischoff; Sonchus asper (L.) Hill var. inermis Bischoff forma gracilis A. F. Schwarz; Sonchus asper (L.) Hill var. pungens Bischoff; Sonchus asper (L.) Hill var. sulphureus Boissier; Sonchus asper (L.) Hill var. typicus Beck; Sonchus carolinianus Walter; Sonchus eryngioides de Candolle; Sonchus fallax Wallroth; Sonchus fallax Wallroth var. asper (L.) Wallroth; Sonchus fallax Wallroth var. laevis Wallroth; Sonchus glaber Thunberg; Sonchus infestus Poeppig ex de Candolle; Sonchus oleraceus L. var. asper L.Sonchus spinosus Lamarck; Sonchus spinulosus Bigelow; Sonchus umbellatus E. Meyer ex de Candolle |
| Common name | (Japanese common name) oni no-geshi [tiger wild poppy] |
| (English common name) prickly sow thistle, rough sow thistle, spiny sow thistle | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) [native] Europa | |
| Chromosomal number | 2n=18 |
| Description | Plants electing 20-100cm. Flowers involucres 15mm, flowering in February to September (also in October to November). Annual or winter annual plants. |
| Reference | Sonchus asper (L.) Hill |
| Sonchus asper (Linnaeus) Hill | |
| Sonchus asper (L.) Hill | |
| Herbicidal composition and method (US Patent 4013441/1977) | |
| Substituted cyclopropyl glyoxylnitriles (US Patent 4122116/1978) | |
| Oxazoline compounds and herbicides containing the same (US Patent 4973351/1990) | |
| Plant control composition and methods of use (US Patent 5221659/1993) | |
| Plant control composition and methods of use with thidiazuron and monocarbamide dihydrogen sulfate (US Patent 5238905/1993) | |
| Herbicidal fatty acid and maleic hydrazide salt compositions (US Patent 6383985/2002) | |
| Herbicide microemulsion-forming-concentrates, microemulsions, and methods (US Patent 6803345/2004) | |
| Herbicide composition comprising herbicide compound in acid form and acidifying agent (US Patent 6906004/2005) | |
| Note | Naturalaized plants (first recorded in 1888). |
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|---|---|---|
| October 2007 at rice paddy |
October 2007 at rice paddy |
March 2007 at edge of forest |
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| October 2007 at rice paddy |
March 2007 at edge of forest |
