Japanese name: タイワンツクバネソウ(台湾衝羽根草) Scientific name:Paris polyphylla
[Overview]
A perennial up to 1 m tall.
It has a thick rhizome.
The slender stems are erect.
The leaves are simple, usually 5–10 in a whorl at the stem tip, usually oblong to lanceolate and 6–15 cm long, with pointed tips and three conspicuous veins.
The leaf margin is entire.
There is a short petiole.
The flower is solitary at the stem tip, facing upward, on a stalk 5–24 cm long.
The flower has 4–6 green to yellow-green outer tepals, which are lanceolate and 4.5–7 cm long.
The inner tepals are yellow-green and linear.
The stamens are twice as many as the outer tepals, with slender anthers.
The ovary is ridged and has 5 short styles.
The fruit is a capsule, and the seeds are enclosed in a red, fleshy aril.