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| May 2007 at lowland forest edge |
May 2007 at lowland forest edge |
May 2007 at lowland forest edge |
| Family | Asteraceae (alt. Compositae) |
| Scientific name | Erigeron philadelphicus L. |
| Synonyms | Erigeron amplexicaulis Desfontaines; Erigeron hyemalis Rafinesque; Erigeron philadelphicus L. forma angustatus Victorin & J. Rousseau; Erigeron philadelphicus L. forma purpureus (Aiton) Farwell; Erigeron philadelphicus L. forma scaturicola (Fernald) Cronquist; Erigeron philadelphicus L. var. glaber J. K. Henry; Erigeron philadelphicus L. var. provancheri (Victorin & J. Rousseau) B. Boivin; Erigeron philadelphicus L. var. scaturicola (Fernald) Fernald; Erigeron provancheri Victorin & J. Rousseau; Erigeron pulchellus Michaux var. townsendii Peattie; Erigeron purpureus Aiton; Erigeron purpureus Aiton var. attenuatus Nuttall; Erigeron scaturicola Fernald; Tessenia philadelphica (L.) Lunell; Tessenia philadelphica (L.) Lunell var. acaulescens Lunell |
| Common name | (Japanese common name) haru-jion [spring aster] |
| (English common name) daisy fleabane, Philadelphia fleabane, Philadelphia daisy | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) [native] USA | |
| Chromosomal number | 2n=18 |
| Description | Plants 30-80cm. Leaves 5-15cm length, 1.5-3cm width. Flowers white or pink ligulate corollas 5-7mm, flowering in March to August (also in Octover to November). Perennial plants, winter annual plants or annual plants. |
| Reference | Erigeron philadelphicus L. |
| Erigeron philadelphicus L. | |
| Herbicidal amide compounds and their uses (US Patent 4657581/1987) | |
| Herbicidal composition and weeding method (US Patent 5686386/1997) | |
| Hair dye and hair-dyeing methods using the same (US Patent 6656229/2003) | |
| Hair dye and hair-dyeing methods using the same (US Patent 6849096/2005) | |
| Herbicide compositions and weedkilling method using the same (US Patent 7144842/2006) | |
| Note | Naturalized plants (ca. 1920). |
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| May 2007 at lowland forest edge |
May 2007 at lowland forest edge |
May 2007 at lowland forest edge |
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| November 2006 at open field |
May 2007 at lowland forest edge |
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| May 2007 at lowland forest edge |
November 2006 at open field |
