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| Osbeckia assamensis Barn. Das & N. Nath, in Das et Nath, 2026. |
Abstract
A new species of Melastomataceae, Osbeckia assamensis, is described here from Assam, northeast India. The new species is morphologically allied to Osbeckia nayarii G.S. Giri but differs in branching pattern, strigose stem, foliar features, inflorescence with 30–35 flowers, hairy calyx margin, presence of intersepalar emergences on the hypanthium, etc. The new species is quite distinct from other Osbeckia species having tetramerous flowers. A detailed taxonomic description, photographic illustration, comparison with allied taxa, and an artificial key to the closely related taxa are provided.
Eudicots, Assam, India, Melastomataceae, new species, Osbeckia, taxonomy
Barnali DAS and Namita NATH. 2026. Osbeckia assamensis, A New Species of Melastomataceae from Assam, Northeast India. Phytotaxa. 781(3); 291-300. DOI: doi.org/10.11646/phytotaxa.781.3.8 [2026-10-22]