the concept or practice of having only one type or kind, often used in biological context to describe a taxonomic group containing a single species.

एकल-प्रकारीयता

English Usage: Monotypism can be observed in certain species that have no known relatives.

Hindi Usage: कुछ प्रजातियों में एकल-प्रकारीयता देखी जा सकती है जिनके कोई ज्ञात रिश्तेदार नहीं हैं।