Japanese name: カワラケツメイ（河原決明、川原決明） Scientific name:Chamaecrista nomame
[Overview]
An annual 30–60 cm tall, found in sunny places on riverbeds and roadsides.
It rarely becomes a perennial.
The leaves are alternate and even-pinnately compound, 3–7 cm long, with 15–35 pairs of linear to narrowly ovate leaflets.
There are nectar glands on the upper part of the petiole, and the stipules are needle-shaped.
Yellow five-petaled flowers are borne one or two at a time in the leaf axils.
The fruit is a flat, oblong legume 3–4 cm long with short hairs.
The seeds are blackish brown and rhombic, with 8–12 per fruit.
[Uses]
The leaves and fruits are used as a tea substitute and also as a folk remedy.
