Discovery of *Impatiens rajibiana* Confirms Eastern Himalayas as Global Biodiversity Hotspot

Edited by: Anulyazolotko Anulyazolotko

The scientific community in India has validated a significant botanical finding, confirming the exceptional biodiversity of the Eastern Himalayas. Researchers from the Botanical Survey of India (BSI) have officially documented a previously undescribed species of balsam, a discovery that adds another unique entry to the country’s extensive flora. This new floral specimen has been formally assigned the scientific designation *Impatiens rajibiana*, honoring the tradition of naming newly discovered plants after significant figures or characteristics.

This rare and vibrant flower was unearthed deep within the pristine wilderness of Shergaon, situated specifically in the West Kameng district of Arunachal Pradesh. The successful expedition and subsequent identification were led by Dr. Krishna Chowlu of the BSI. Her team’s work vividly illustrates the unparalleled biological richness concentrated within the Eastern Himalayas, a region that has long been globally recognized as a crucial biodiversity hotspot due to its unique ecological pressures and varied terrain. Acknowledging the importance of this scientific contribution, Chief Minister Pema Khandu publicly extended congratulations to Dr. Chowlu and her dedicated team for their invaluable service to botanical science and the state.

The identification of *Impatiens rajibiana* is far from an isolated event for this ecologically vibrant state, suggesting a continuous stream of new discoveries. Concurrently, separate research efforts operating in the nearby Tawang district have successfully identified three additional new species of orchids, further solidifying Arunachal Pradesh’s reputation as a critical global center for unique and endemic plant life. Across the entirety of India, the total count of documented Impatiens species is now nearing 230, a figure that includes the widely cultivated garden variety, *Impatiens balsamina*. Crucially, many of the species found in the northeastern region are highly endemic, meaning they exist naturally nowhere else on Earth and often maintain extremely limited, fragile populations, making their preservation paramount.

Statistical data powerfully underscores the rapid rate of botanical discovery and the sheer scale of biological wealth in this area. Between 2013 and 2017 alone, Arunachal Pradesh saw the formal documentation of more than 16 new species belonging to the Impatiens genus. The Eastern Himalayas, serving as a convergence point for several distinct biogeographical realms, exhibits astonishing biological wealth. This vast area is known to host approximately 9000 different plant species, with an astounding 3500 of these being endemic to the region. Focusing specifically on the Indian sector of this hotspot, 5800 plant species have been recorded, of which 2000 are unique. Beyond its flora, this expansive region provides essential sanctuary for iconic and often endangered fauna, including the elusive snow leopard, the majestic Bengal tiger, and the powerful Asian elephant.

Such significant scientific breakthroughs emphasize the importance of rigorous field research and data collection. More importantly, they serve as a powerful reminder of the urgent need for continuous, conscious conservation efforts directed toward protecting these fragile, unspoiled landscapes. Every new species identified, whether a rare orchid or a newly named balsam, underscores the critical role of habitat preservation and reinforces humanity’s shared responsibility to maintain the delicate balance of nature. These findings are not merely academic footnotes; they are a compelling call to action, highlighting the fragile interconnectedness of all life forms and the irreplaceable value of the Eastern Himalayan ecosystem.

Sources

  • arunachaltimes.in

  • The Week

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