Amaranthus viridis (slender amaranth, "Honagainubiyu")

Japanese name: ホナガイヌビユ （穂長犬莧）
Scientific name: Amaranthus viridis

[Overview]
An annual 40–90 cm tall, found in fields and along roadsides.
The stem is branched and ridged.
Leaves are simple and alternate, rhombic-ovate to ovate, 3–8 cm long, with entire margins.
The leaf tip is notched and has a short awn.
The petioles are long.
The inflorescences arise at the stem tips and form long spikes.
The flowers are male or female, and green.
The fruit is a utricle.

[History]
It arrived in Japan in the late Taisho period and has become widely naturalized.

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