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Lagenandra undulata Sastry

Introduction & Overview

Common and Scientific Names

  • Scientific Name: Lagenandra undulata Sastry
  • Common Name: Common names may include references to its wavy leaf appearance

Quick Facts

  • Origin: Native to the wetlands of Sri Lanka
  • Features: Noted for its distinct wavy leaves and compact inflorescence that enhance its decorative appeal

Taxonomy & Classification

  • Genus: Lagenandra
  • Botanical Background: Described by Sastry, this species has drawn attention for its unusual leaf morphology and serves as an example of the diverse evolutionary adaptations found within tropical aroids.

Natural Habitat & Distribution

  • Geographical Range: Endemic to Sri Lanka, typically found in lowland wetlands and swampy areas.
  • Environment: Thrives in moist, shaded environments with rich organic soils, high humidity, and consistently warm tropical temperatures.

Morphological Characteristics

Leaves

  • Broadly ovate with a wavy, undulated edge
  • Medium-sized with a glossy texture
  • Vibrant green coloration

Inflorescence (Spadix & Spathe)

  • Small spadix encased by a greenish spathe

  • Little to no scent

Growth Habit

  • Terrestrial
  • Growing in clumps from a rhizome

Cultivation & Care

Light Requirements

  • Bright, indirect light or partial shade

Watering & Humidity

  • Regular watering to keep the soil consistently moist
  • High humidity

Soil & Potting Mix

  • A well-draining, organically rich mix
  • Containers should offer good drainage to avoid waterlogging

Temperature & Fertilizer

  • Temperature range is between 70 and 85°F
  • Balanced liquid fertilizer applied during the growing season

Propagation Methods

Division and Stem Cuttings

  • Division of the rhizomes
  • Promotes the formation of new clumps

Seeds

  • Less common because of variable germination rates

Common Pests & Diseases

Typical Issues

  • Fungal infections
  • Spider mites and aphids

Treatment Recommendations

  • Ensuring proper drainage and airflow
  • Organic fungicides and insecticidal soap

Notable Traits & Uses

  • Sometimes associated with water deities
  • Contributes to soil stabilization in its native ecosystems
  • Unusual, wavy leaves and compact growth habit

Conservation & Availability

Wild Population Status

  • Comprehensive data are limited
  • Faces habitat pressures due to wetland degradation

Market Availability

  • Moderately available among specialty plant collectors and botanical enthusiasts
  • Rare in mainstream horticulture

References & Resources

Further Reading

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