Hemerocallis lilioasphodelus var. yezoensis ("Ezokisuge")

Japanese name: エゾキスゲ （蝦夷黄菅）
Scientific name: Hemerocallis lilioasphodelus var. yezoensis

[Overview]
A perennial 40–80 cm tall, growing on coastal sandy beaches and in grasslands.
The leaves arise from the base in two rows.
The leaves are simple and linear, 40–50 cm long and 0.5–1.5 cm wide.
A dichasial cyme is produced at the tip of a flower stalk 40–80 cm tall, bearing yellow six-petaled flowers facing upward, and the tips of the tepals are slightly recurved.
The flowers begin to open in the evening and wither in the afternoon of the next day, lasting only one day.
The fruit is a capsule.

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