Japanese name: メナモミ（雌菜揉、豨薟） Scientific name:Sigesbeckia pubescens
[Overview]
An annual 0.6–1.2 m tall, found in hills and fields.
The stem has spreading hairs, which are dense especially in the upper part.
The leaves are simple and opposite, ovate to ovate-triangular, 7.5–19 cm long and 6.5–18 cm wide, with short hairs on both surfaces.
The leaf margins are toothed.
The petiole is winged.
Flower heads about 2 cm across are borne at the branch tips.
The flower head stalk is 1.5–3.5 cm long and densely covered with glandular hairs.
The flower heads are yellow and consist of ray flowers and tubular flowers.
The ray flowers are 3-lobed and the tubular flowers are 5-lobed.
The involucre is densely covered with glandular hairs, and there are 5 linear to spatulate involucral bracts that spread out flat.
The fruit is an achene about 0.3 cm long, without pappus.
