Notes For Reference:-

Species, Varieties, or Forms in the Genus Pellionia:

Pellionia minima / Sanshousou
Pellionia radicans / Oosanshousou
　

Pellionia radicans / Oosanshousou オオサンショウソウ

Pellionia radicans is a dioecious perennial herb that inhabits damp forests or rocky areas; its stems crawl along the ground, reaching 10-20cm long. Leaves measure 2-5cm long, in a distorted oval shape, with few hairs. Male inflorescences are cymose, while petite, spherical females are set in the axils. Bloom time: April-May.