Lagenandra keralensis Sivad. & Jaleel

• Genus: Lagenandra
• Botanical Background: Described and named by Sivad. & Jaleel in the late 20th century, and it is recognized for its relatively isolated occurrence within the family.

• Geographical Range: Native to Kerala, India, particularly the Western Ghats.
• Environment: Grows in damp, often marshy environments with moderate temperatures, high humidity, and low light conditions typical of its native habitat.

Leaves

• Large, broad, and glossy
• Ovate to lanceolate in shape
• Prominent veins
• Leathery texture 

Inflorescence (Spadix & Spathe)

• Pale spathe and spadix
• Particularly large but is visually striking

Growth Habit

• Rhizomatous aquatic species
• Grows along the edges of water bodies, often seen in partially submerged conditions

Light Requirements

• Bright, indirect light
• Direct sunlight may cause leaf scorch

Watering & Humidity

• Consistently moist conditions
• Regular watering
• High humidity levels (60-80% humidity)

Soil & Potting Mix

• A well-draining, moisture-retentive mix
• A blend of peat, perlite, and orchid bark
• A shallow and wide container

Temperature & Fertilizer

• Temperatures 18°C to 28°C (64°F to 82°F)
• Fertilizing every two to four weeks with a balanced liquid fertilizer during the growing season

Division and Stem Cuttings

• Division of rhizomes
• Should be done when the plant becomes too large or overcrowded

Seeds

• Viable seeds can germinate under the right conditions, requiring warm temperatures and a moist environment

Typical Issues

• Aphids, spider mites, and mealybugs
• Root rot

Treatment Recommendations

• Insecticidal soap
• Good drainage
• Regularly inspect for pests

• Limited distribution
• Grown in botanical collections due to its unique characteristics

• Large, glossy leaves and aquatic growth habit

Wild Population Status

• Endangered
• Its specific habitat in the Western Ghats faces threats from habitat destruction and climate change

Market Availability

• Rare in the market
• Mostly found in specialized collections or research institutions