Japanese Calanthe

(Calanthe discolor)

Japanese Calanthe (Calanthe discolor)

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Estimated Native Range
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Summary

Calanthe discolor, commonly known as the Japanese Calanthe, is a terrestrial orchid species native to the understory of deciduous and evergreen forests in Japan, China, Korea, and other parts of East Asia. It typically grows to a height of 12-18 inches (30-45 cm) and features a clumping growth form with pleated leaves. The pseudobulbs and root systems are thick and fleshy, giving rise to the common Japanese name "ebine," which translates to "shrimp root" due to their resemblance to shrimp. In spring, it produces arching racemes of flowers that can be white, pink, or yellow, often with a contrasting lip color, making the blooms quite showy.

Calanthe discolor is valued for its ornamental flowers and ease of cultivation in temperate regions. It is often used in shaded garden areas, woodland plantings, and as a unique addition to orchid collections. The plant thrives in moist, well-drained soil rich in organic matter and prefers part shade conditions, mimicking its native forest floor habitat. While it requires consistent moisture during the growing season, it is relatively drought-tolerant once established. It is generally free from serious pests and diseases but can be susceptible to root rot if overwatered. Calanthe discolor is not known to be invasive and does not have aggressive roots, making it a safe choice for gardeners looking to add a touch of exotic flair without ecological concerns.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb, Bulb
  • Height: 1-2 feet
  • Width: 1-2 feet
  • Growth Rate: Moderate
  • Flower Color: Red, White
  • Flowering Season: Spring
  • Leaf Retention: Evergreen, Semi-deciduous

Growth Requirements

  • Sun: Full Sun, Part Shade
  • Water: Medium
  • Drainage: Medium

Common Uses

Border Plant, Fragrant, Low Maintenance, Potted Plant

Natural Habitat

Native to the understory of deciduous and evergreen forests in East Asia

Other Names

Common Names: Calanthe, Christmas Orchid

Scientific Names: , Calanthe discolor, Alismorchis discolor, Alismorkis discolor, Calanthe striata var. discolor, Calanthe variegata,

GBIF Accepted Name: