Japanese name: チチコグサモドキ(父子草擬) Scientific name:Gamochaeta pensylvanica
[Overview]
A winter annual 15–40 cm tall, found by roadsides and in vacant lots.
White cottony hairs cover the whole plant.
The stem is either single or branched from the base.
There are basal leaves and stem leaves; the basal leaves have withered by the flowering season.
The stem leaves are simple and alternate, spatulate, 2–8 cm long and 0.5–1.2 cm wide, with slightly wavy margins.
Small branches arise from the upper leaf axils, bearing clustered flower heads 0.3 cm across.
The involucral bracts have fairly dense white cottony hairs on the back.
The fruit is an achene.
[History]
It is thought to have already arrived in the early Taisho period, and it is now naturalized in many places.