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Description

Lagenandra keralensis is a remarkable species from Kerala state in southwestern India that was scientifically described in 2001. It was until recently not at all known from cultivation, but surprisingly it is offered as tissue-cultured (in-vitro) plant by the Japanese company ADA. This species is not to be confused with an aquarium plant that is erroneously called "Lagenandra keralensis" and turned out as a narrow-leaved Lagenandra meeboldii form (see Lagenandra meeboldii "Kerala"). The true Lagenandra keralensis resembles broad-leaved forms of L. meeboldii but differs mainly in inflorescence features. The ovate leaves, sitting on a creeping rhizome, show brown tones. They have a finely ruffled margin and are covered with short hairs. According to the original species description, the leaf blades are 2,7-7 cm and the leaf stalks 2-7 cm long.

Submers

Structure of the submerged leaves

So far, little information is available on Lagenandra keralensis as an aquarium plant. In nature it occurs on shady, occasionally flooded stream banks, as do various other Lagenandra species. In the aquarium, the species has grown much more slowly than Lagenandra meeboldii. Several daughter rosettes have formed on the small, compact rhizome. We recommend medium lighting, good water current, rather soft water, CO₂ injection and well-balanced macro- and micronutrient supply, also via the substrate. Its emersed cultivation should work with a moist to wet substrate and high air humidity.