Hemerocallis citrina

Hemerocallis citrina is a species of flowering plant in the family Asphodelaceae, subfamily Hemerocallidoideae. Commonly known as the citron daylily, it is native to Asia, particularly found in regions of China, Japan, and Korea. This perennial plant is well-regarded for its ornamental value in gardens and landscapes around the world.

Description

Hemerocallis citrina is characterized by its striking flowers, which are typically bright yellow and emit a pleasant fragrance, especially in the evening. The flowers are trumpet-shaped, about 10-15 cm in length, and bloom on tall stalks that rise above the clump of arching, green, grass-like leaves. Each flower lasts for just a day, a trait common to the daylily genus, hence the name Hemerocallis (from the Greek words hemera, meaning day, and kallos, meaning beauty).

The plant typically flowers in early to mid-summer, though flowering time can vary depending on the climate and growing conditions. Hemerocallis citrina is also known for its edible flowers, which have been used in traditional Chinese cuisine and herbal medicine for centuries.

Cultivation

Hemerocallis citrina is a hardy plant that can thrive in a wide range of soil types, though it prefers well-drained soils rich in organic matter. It is tolerant of various light conditions, from full sun to partial shade, making it a versatile choice for gardeners. Regular watering and occasional fertilization can help promote vigorous growth and abundant flowering.

Propagation is typically done through division of the root clump, a process best performed in early spring or after the plant has finished flowering. This species is relatively pest and disease resistant, contributing to its popularity among gardeners.

Uses

Beyond its ornamental appeal, Hemerocallis citrina has several practical uses. The flowers are edible and can be used fresh in salads, or dried and used in soups and other dishes. In traditional Chinese medicine, the plant is believed to have cooling and anti-inflammatory properties.

Conservation

While Hemerocallis citrina is not currently listed as endangered, its natural habitats are under threat from urbanization and agricultural expansion. Conservation efforts are important to ensure that this species, along with its genetic diversity, is preserved for future generations.

See Also

• Asphodelaceae
• Ornamental plant
• Edible flowers
• Traditional Chinese medicine