Long-leaved Spider Lily (Lycoris longifolia)

Golden spider lily

Silhouette: T. Michael Keesey / License

Lycoris longifolia: Golden Spider Lily Botanical Guide

Hailing from the moist, shady hillsides of eastern China, Lycoris longifolia commands attention with its striking golden blossoms that emerge like sudden bursts of autumn sunshine. This rare bulbous perennial captivates botanists with its unusual growth cycle, where flowers and foliage never share the same season.

The plant is highly valued for its elegant, wavy-edged tepals that give the umbels a delicate, spider-like appearance. Gardeners in temperate regions prize this species as an exotic collector's item, though its wild populations remain protected and scarce.

Taxonomy

∟ царство Plantae
∟ division Tracheophytes (Vascular Plants)
∟ subdivision Spermatophytes (Seed plants)
∟ Angiosperms
∟ monocots
∟ order Asparagales
∟ family Amaryllidaceae (Amaryllis family)
∟ subfamily Amaryllidoideae
∟ tribe Lycorideae
∟ genus Lycoris (Spider Lily)
∟ species Lycoris longifolia (Long-leaved Spider Lily)

Morphology

Lycoris longifolia is a deciduous geophyte that develops from a subglobose subterranean bulb measuring about 4 to 5 cm in diameter. The brown tunic of the bulb protects the dormant tissues during the dry seasons.

The foliage appears after the flowering period, presenting long, lorate (strap-like) leaves that grow up to 60 cm in length. These deep green leaves feature a prominent midrib and obtuse apices, efficiently photosynthesizing through the winter months before dying back in early summer.

During late summer, a solitary, erect, hollow scape rises to a height of 45 to 60 cm. This scape bears a terminal umbel containing 4 to 8 golden-yellow flowers with short perianth tubes and recurved, strongly undulate tepals.

Flowering season

Blooms in late summer, typically from July to August.

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Applications

In horticulturally advanced collections, Lycoris longifolia serves as a premium ornamental specimen for woodland gardens and rockeries. Its late-summer golden blooms provide a dramatic focal point when most other perennials have finished flowering.

Pharmacological researchers study the chemical compounds within the bulbs, which are rich in bioactive alkaloids. Phenanthridine alkaloids such as lycorine extracted from this species show potential in antiviral and anti-tumor therapeutic studies.

Interesting facts

The genus name honors the Roman actress and mistress of Mark Antony, Lycoris, celebrated for her beauty.
The specific epithet longifolia refers to the unusually elongated leaves of the plant compared to other members of the genus.
Like other spider lilies, it exhibits the hysteranthous growth habit, meaning flowers bloom on bare stems long after the leaves have withered away.
The bulb contains toxic alkaloids, serving as a natural defense mechanism that repels burrowing rodents and insect pests.