Hemerocallis_flava
Hemerocallis lilioasphodelus
Species of flowering plant
Hemerocallis lilioasphodelus (syn. Hemerocallis flava, known as lemon daylily, lemon lily, yellow daylily, and other names) is a plant of the genus Hemerocallis. It is found across China, in Europe in N.E. Italy and Slovenia and is one of the first daylilies used for breeding new daylily cultivars.[1]
Hemerocallis lilioasphodelus grows in big, spreading clumps, and its leaves grow to 75 cm (30 in) long. Its scapes each bear from 3 through 9 sweetly fragrant, lemon-yellow flowers.[1]