| Family |
Asteraceae (alt. Compositae) |
| Scientific name |
Symphyotrichum divaricatum (Nuttall) G. L. Nesom |
| Synonyms |
Aster divaricatus (Nuttall) Torrey & A. Gray; Aster exilis Elliot;
Aster neomexicanus Wooton & Standley; Aster subulatus Michaux var.
ligulatus Shinners; Symphyotrichum subulatum (Michaux) G. L. Nesom var.
ligulatum (Shinners) S. D. Sundberg ; Tripolium divaricatum Nuttall |
| Common name |
(Japanese common name) hiroha-houki-giku [broad leaved broom daisy] |
| (English common name) southern annual saltmarsh aster |
| Distribution |
(Japan) Honshu, Shikoku, Kyushu |
| (Other nations) [native] USA |
| Chromosomal number |
2n=20 |
| Description |
Plants 40-100cm. Flowers pink 10mm, flowering in September to November.
Perennial plants or winter annual plants. |
| Reference |
Symphyotrichum divaricatum (Nutt.) Nesom |
| Symphyotrichum subulatum (Michx.) G. L. Nesom var. ligulatum (Shinners) S. D. Sundb. |
| Aster subulatus Michaux var. ligulatus Shinn. |
| Note |
Naturalaized plants (first discovered at Tokyo in 1956). |
