Japanese name: ミズタマソウ（水玉草） Scientific name:Circaea mollis
[Overview]
A perennial 25–150 cm tall, found in forests in the mountains.
It has slender underground stems.
The stem has fine downward-pointing hairs.
Leaves are simple and opposite, long ovate to ovate-oblong, 5–13 cm long and 2–5.5 cm wide, with low teeth on the margins.
The leaf stalk is 1–4 cm long.
Racemes about 15 cm long arise at the stem tips and in the leaf axils, and the inflorescence may be sparsely covered with fine hairs or glandular hairs.
The flowers are small and white, with 2 petals that are 2-lobed at the tip.
The sepal lobes are pale green.
The fruit is a broadly inversely ovate nut about 0.3 cm in diameter, white and densely covered with hooked hairs.
[Notes]
The Japanese name compares the shape of the fruit to water droplets.
