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A Plant Vanished for 170 Years Just Casually Reappeared in Sri Lanka

Lost for 169 years, an "extinct" plant reappears! Researchers found a population of the incredibly rare Indianthus virgatus thriving along Sri Lanka's Sitawaka Ganga River.

Nadia Kowalski
Nadia Kowalski
·1 min read·Sri Lanka·31 views

Originally reported by Mongabay · Rewritten for clarity and brevity by Brightcast

Why it matters: The rediscovery of Indianthus virgatus in Sri Lanka offers renewed hope for biodiversity, enriching the planet's unique flora for future generations.

Imagine going off the grid for 170 years. No calls, no postcards, just… gone. That's pretty much the story of Indianthus virgatus, a rare plant that recently decided to pop back up in Sri Lanka after its last confirmed sighting in 1855. Researchers had officially declared it possibly extinct in the wild there. Apparently, it just needed a really long nap.

This isn't some giant, flashy jungle beast. We're talking about a modest plant with small white flowers, quietly doing its thing in the understory of wet tropical forests. While it's known from about 150 locations in India, Sri Lanka only had one confirmed record: a specimen collected nearly two centuries ago.

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The Great Botanical Detective Work

So, how do you find a plant that's been playing hide-and-seek for generations? Researchers, bless their determined hearts, dug through old records from both India and Sri Lanka. Then, because apparently that's where we are now, they fired up some computer models to predict ideal growing spots. Their target: southwestern Sri Lanka, specifically Sabaragamuwa Province.

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And in January 2025 (yes, future news, how's that for efficiency?), the team hit the jackpot. They stumbled upon a small, thriving community of I. virgatus — somewhere between 70 and 100 individual plants. The irony? It was exactly where their predictive models said it would be. Because sometimes, even nature follows a script.

Vivek Pandi, a co-author of the study, pointed out that I. virgatus is the only species in its entire genus, making its evolutionary journey particularly unique. Its populations are scattered across India and Sri Lanka, separated by a rather significant geographical gap. Which, if you think about it, just makes its grand reappearance even more of a botanical mic drop.

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Brightcast Impact Score (BIS)

This article celebrates the positive action of rediscovering a plant species thought to be extinct in Sri Lanka, a significant conservation achievement. The finding provides strong evidence of the plant's continued existence and offers hope for its preservation. While the immediate impact is local, the discovery contributes to broader scientific understanding and conservation efforts.

Hope26/40

Emotional uplift and inspirational potential

Reach16/30

Audience impact and shareability

Verification20/30

Source credibility and content accuracy

Hopeful
62/100

Solid documented progress

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Sources: Mongabay

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