Shaggy soldier
Galinsoga ciliata (Raf.) Blake [Asteraceae]
Hakidamegiku (ハキダメギク, 掃溜菊)
Life form: weedy annual forb
Distribution: Tropical American Continent (exotic to Japan)
Habitat: waste grounds, cultivated fields, and roadsides.
Synonyms
Galinsoga quadriradiata Ruiz et Pav.
Galinsoga Ruiz et Pav.
Two exotic speices are recorded from Japan.
G. parviflora Cavanilles (コゴメギク)
G. ciliata (Raf.) Blake (ハキダメギク)
Galinsoga ciliata in Hokkaido
[Left] a patch on September 25 2009 in front of the main gate of Hokkaido University of Education at Hakodate. [Center/Right] close-up of inflorescences on October 14 2009 at N23/W2, Higashi Ward, Sapporo.