Lagenandra undulata Sastry

• 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.

• 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.

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

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

Division and Stem Cuttings

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

Seeds

• Less common because of variable germination rates

Typical Issues

• Fungal infections
• Spider mites and aphids

Treatment Recommendations

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

• Sometimes associated with water deities
• Contributes to soil stabilization in its native ecosystems

• Unusual, wavy leaves and compact growth habit

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