Japanese name: カラスノゴマ（烏の胡麻） Scientific name:Corchoropsis crenata
[Overview]
An annual 30–60 cm tall, found in fields and by roadsides.
The stem is erect.
The leaves are simple and alternate, ovate, 2–7 cm long and 2–4 cm wide.
The leaf margin has blunt teeth, and both surfaces have stellate hairs.
There are linear stipules, but they fall early.
The petiole is about 1–2 cm.
The flowers are solitary in the leaf axils and are yellow with 5 petals.
5 staminodes project far out.
The sepals curve back at flowering and have stellate hairs on the outside.
The flower stalk is 1.5–3 cm long.
The fruit is a capsule 2.5–3.5 cm long and 3 mm wide.
The capsule is slightly curved and has stellate hairs on the surface.
The seeds are ovate, about 3 mm.
