Description: Herbaceous perennial up to 1.2 m tall, pright stems. The leaves are linear, dense along the stem, bluish-green in color. The flowers are yellow with a green central vein, total size 3-4 cm. Three stamens are long and twisted, and three are short. The fruit is a capsule.

Flowering time: March-May

Habitat: Rocky slopes, scrubs, grasslands

Interesting fact: the tubers are rich in C vitamin and are edible.