Two-color spider lily (Lycoris radiata f. bicolor)

Bicolor spider lily Two-tone red spider lily
Silhouette: T. Michael Keesey / License

Lycoris radiata f. bicolor: Botanical Characteristics & Information

Gracing temperate East Asian landscapes with its dual-toned petals, Lycoris radiata f. bicolor offers a captivating variation on the classic red spider lily. This deciduous bulbous geophyte emerges in late summer, producing dramatic umbels before its foliage appears. Its unique coloration sets it apart in naturalized woodland borders and rocky slopes.

As a wild taxon, it shares the resilience of the parent species while displaying a softer aesthetic. The sudden appearance of its leafless flowering stalks has earned it a place in regional folklore and botanical collections alike.

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 radiata (Red spider lily)
  • form Lycoris radiata f. bicolor (Two-color spider lily)

Living Pulse

Morphology

The underground structure of Lycoris radiata f. bicolor consists of a globose bulb measuring up to 3 centimeters in diameter. In late summer, a single, erect scape arises, reaching heights of 30 to 50 centimeters. This stem is crown-topped by an umbel containing 4 to 10 flowers.

Each flower features narrow, strongly reflexed tepals with prominently undulate margins. The key distinguishing feature is the color gradient, where the petals display a combination of deep red and creamy white margins or tips. Long, exserted stamens and style extend far beyond the tepals, creating a delicate, spider-like appearance.

Narrow, strap-shaped leaves emerge only after the flowering period concludes. These dark green leaves persist through winter and wither in early spring.

Flowering season

Late summer to early autumn

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Applications

In botanical gardens and naturalized landscapes, Lycoris radiata f. bicolor is highly valued for its late-season accent. It is frequently planted along woodland margins, rock gardens, and embankments where it can remain undisturbed. The bulbs help stabilize soil in sloped areas.

Due to its toxic nature, it serves as an effective natural barrier against burrowing rodents and deer. Traditional agricultural practices in Asia historically utilized these plantings around rice paddies to deter pests.

Interesting facts

The spectacular bloom pattern of Lycoris radiata f. bicolor, where flowers and leaves never meet, has inspired numerous cultural myths in Japan and China. It is often associated with parting, transition, and remembrance. The name Lycoris references a beautiful Nereid from Greek mythology.

  • The bulbs contain lycorine, a toxic alkaloid that makes the plant unpalatable to wildlife.
  • The flowering response is triggered by late summer rains, earning them the nickname hurricane lilies.

Geography of distribution

  • China
  • Japan

Sources

  • Plants of the World Online (POWO): Lycoris radiata f. bicolor
  • World Flora Online (WFO): Lycoris radiata f. bicolor
  • GBIF Secretariat (2025): Lycoris radiata f. bicolor distribution and taxonomy

Technical Information

External Databases: GBIF, Tropicos

See also

True Araucarias

True Araucarias

Araucaria sect. Araucaria

Araucaria sect. Araucaria is a botanical section of evergreen conifers native to South America. It …