Rotala malampuzhensis R.V. Nair ex C.D.K. Cook

Small herb with pink flowers growing on temporary wet soils on rocky plateaus

Flowering class: Dicot Habit: Herb

Red List Category & Criteria: Least Concern ver 3.1 Year Assessed: 2010 Assessor/s: Watve, A. Reviewer/s: Juffe Bignoli, D., Narasimhan, D., Gunaga, S., Vasudevan, K. & Kumar, V.S. Contributors: Molur, S. Justification: Rotala malampuzhensis is annual species growing in rocky moist and waterlogged habitats. It is endemic to southern India and grows in a wide variety of moist habitats and is locally abundant. Although the species is currently listed as Least Concern, there is a need for monitoring of current locations, habitat quality and efforts must be done for protecting its habitat. Assessment History: 1997-Indeterminate (Walter and Gillett 1998) Conservation Actions: The habitats need to be conserved for this species. No action has been taken so far. Further research in population size and trends is required. List of Conservation Actions: 1, 1.2, 3, 3.4, 3.4.1

Flowering and fruiting: July-September

Flowering period: August – October

Not known

Herbs, annual, amphibious; stems procumbent, profusely branched, rooting at nodes, Leaves opposite-decussate, 1.5 x 0.2-0.4 cm, angustate, microscopically truncate at apex. Flowers axillary, solitary, sessile, crimson, less than 1.5 mm across, trimerous. Fruits less than 1.5 mm across, subspherical, crimson, half-exserted, splitting vertically into 3 valves. Seeds 10-15, crimson, obovoid, exalbuminous.

Not available

autotrophy; primary producer

Notes: Paddy fields and banks of streams. Endemic to South India

Habitat and Ecology: It grows in waterlogged areas especially in rock outcrops, around temporary pools, ditches, rice fields. Systems: Terrestrial; Freshwater List of Habitats: 4, 4.6, 4.7, 5, 5.8, 6, 15, 15.8

Paddy fields and banks of streams

System: Wet soils and pond edges. Habitat: Gregarious in seasonally wet conditions such as rock pools, stream edges, flooded fields.

Endemic

Southern Western Ghats

Population: There is no detailed population study of this species. However, it is locally abundant. Population Trend: Unknown

Not known

Not known

IUCN redlist status: Red List Category & Criteria: Least Concern ver 3.1 Year Published: 2011 Assessor/s: Watve, A. Reviewer/s: Juffe Bignoli, D., Narasimhan, D., Gunaga, S., Vasudevan, K. & Kumar, V.S. Contributor/s: Molur, S.

Red List Category & Criteria: Least Concern ver 3.1 Year Assessed: 2010 Assessor/s: Watve, A. Reviewer/s: Juffe Bignoli, D., Narasimhan, D., Gunaga, S., Vasudevan, K. & Kumar, V.S. Contributors: Molur, S. Justification: Rotala malampuzhensis is annual species growing in rocky moist and waterlogged habitats. It is endemic to southern India and grows in a wide variety of moist habitats and is locally abundant. Although the species is currently listed as Least Concern, there is a need for monitoring of current locations, habitat quality and efforts must be done for protecting its habitat. Assessment History: 1997-Indeterminate (Walter and Gillett 1998) Conservation Actions: The habitats need to be conserved for this species. No action has been taken so far. Further research in population size and trends is required. List of Conservation Actions: 1, 1.2, 3, 3.4, 3.4.1

Major Threat (s): Conversion of land due to construction, roads, industrialization and mining are rampant throughout the range of this species. Disposal of waste on its habitat has also been observed. This may lead to slow decline in habitat quality. List of Threats: 1, 1.1, 1.2, 3, 3.2

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