With reference to the plant species Haplothismia exannulata, consider the following statements: 1. The plant was declared extinct in the 1990s. 2. The species was first collected in the year 1851. 3. The plant was rediscovered 10 years prior to the 2026 exhibition. Which of the statements given above is/are correct?

Parambikulam Tiger Reserve inaugurates exhibition honoring plant declared extinct in the 1990s

GS3Economy · S&T · Environment · Security· Species, protected areas & wetlands· Prelims· 5 October 2026

Biodiversity conservation and species rediscovery: a relevant GS3 Environment and Ecology case study.

Why in news

The Parambikulam Tiger Reserve inaugurated a photography exhibition to honor the rediscovery of *Haplothismia exannulata*, a plant species declared extinct in the 1990s.

Background

The 'Haplothismia' exhibition features wildlife and landscapes and runs from October 2 to October 8, 2026. The plant *Haplothismia exannulata* was first collected in 1851 and was rediscovered 26 years ago by N. Sasidharan and P. Sujanapal.

Facts for Prelims

EnvironmentHaplothismia exannulata: A plant species first collected in 1851 and declared extinct in the 1990s before being rediscovered.
PlaceParambikulam Tiger Reserve: Location of the 'Haplothismia' photography exhibition.
FactThe plant was rediscovered 26 years prior to the 2026 exhibition.

Prelims practice question

With reference to the plant species Haplothismia exannulata, consider the following statements:

The plant was declared extinct in the 1990s.
The species was first collected in the year 1851.
The plant was rediscovered 10 years prior to the 2026 exhibition.

Which of the statements given above is/are correct?

(a)1 only
(b)3 only
(c)1 and 2 only
(d)1 and 3 only

Show answer

Answer: (c) 1 and 2 only — Statements 1 and 2 are correct. Statement 3 is incorrect: The plant was rediscovered 26 years prior to the 2026 exhibition.

For Mains

Q. Discuss the importance of botanical biodiversity and the role of tiger reserves in conserving endangered flora and fauna in India.

Dimensions to cover in your answer

Ecological restoration: Re-evaluating 'extinct' species to bolster local biodiversity and ecosystem resilience
Conservation methodology: Integrating community-led rediscovery and public awareness through exhibition-based education

Keywords: Biodiversity conservation · Species rediscovery · Ecological significance · In-situ conservation · Botanical heritage

Read the full news →Report a mistake in this note Source: The Hindu ↗Also: GS1 · Places in news / mapping

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