Japanese name: クルマバハグマ（車葉白熊） Scientific name:Pertya rigidula
[Overview]
A perennial 50–100 cm tall, found in slightly dry places in mountain forests.
It has a long, extending rhizome.
The stem is erect and unbranched.
The leaves are simple, 6–8 borne in a whorl-like arrangement around the middle of the stem, elliptic, 15–30 cm long and 4–11 cm wide.
The leaf tips are pointed.
The leaf margins have fine serrations.
A panicle-like inflorescence at the stem tip bears 6–25 flower heads sparsely.
The flower heads are about 1 cm across and consist of 6–10 white tubular florets.
The petals of the tubular florets are deeply 5-lobed, with the tips curled back.
The fruit is an achene with a white pappus.
[Notes]
The Japanese name refers to the way the leaves are arranged.
