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Rotala malabarica is a short-lived annual aquatic-marginal plant from seasonal pools on laterite rock in one small area of Kannur District, Kerala, India. It is critically endangered and may be extinct, so it is not realistically available to home gardeners; grow its genus relatives instead.
Rotala malabarica, the Malabar rotala, is a short-lived annual plant endemic to southern India, where it is known from only one location. It is considered critically endangered and may be extinct.
This species appears to occur only in an extremely restricted area (~10 km2) in the Kannur District in Kerala, India, from where it was described in 1990. It inhabits seasonal pools in depressions containing rich deposits of humus. The substrate is laterite rocks, and the Malabar rotala is likely to be threatened by lateritic mining, in addition to herbicide use in the adjoining cashew plantations. It has not been found in its type locality since its description.
Rotala andamanensis · Indian toothcup · Rotala malampuzhensis · Lowland rotala · Roundleaf Toothcup · Toothcup
Text excerpted from the Wikipedia article Rotala malabarica by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
