| Family |
Asteraceae (alt. Compositae) |
| Scientific name |
Conyza sumatrensis (Retzius) E. Walker |
| Synonyms |
Conyza albida Willdenow ex Sprengel; Conyza altissima Naudin & Debeaux
ex Debeaux; Conyza barcinonensis Sennen; Conyza bonariensis L. var. microcephala
(Cabrera) Cabrera; Conyza capillipes S. Moore; Conyza erigeroides de Candolle;
Conyza flahaultiana Sennen; Conyza nandini Bonnet; Erigeron albidus (Willdenow
ex Sprengel) A. Gray; Erigeron bonariensis L. var. microcephala Cabrera;
Erigeron crispus Pourret subsp. naudinii (Bonnet) Bonnier; Erigeron flahaultianus
(Sennen) Thellung; Erigeron musashiensis Makino; Erigeron naudinii (Bonnet)
P. Fournier; Erigeron sumatrensis Retzius |
| Common name |
(Japanese common name) oh-arechi-no-giku [large bush wild aster] |
| (English common name) broadleaf fleabane, fleabane, tall fleabane |
| Distribution |
(Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) [native] South America |
| Chromosomal number |
2n=54 |
| Description |
Plants 80-180cm. Leaves 8-15cm length, 1-2cm width. Flowers head 4-5mm,
flowering in August to October. Winter annual plants. |
| Reference |
Conyza sumatrensis (Retz.) E. Walker |
| Conyza sumatrensis (Retz.) E. Walker |
| Conyza floribunda Kunth |
| Note |
Naturalized plants (first reported in 1926). |
