Resolving taxonomic uncertainties in Iryanthera (Myristicaceae): Iryanthera microcarpa a synonym of Iryanthera tessmannii and status of an unpublished name, Iryanthera scandens

This study aims to clarify the taxonomic status of I. microcarpa by evaluating morphological and historical data to determine its potential synonymy with I. tessmannii. Additionally, it critically assesses the validity of I. scandens to establish whether its taxonomic placement is justified or should be formally rejected. A comparative morphological analysis was conducted using herbarium specimens and literature to refine species delimitations in Iryanthera. Furthermore, the study seeks to document and update the geographical distribution of I. tessmannii and related species in the Neotropics. Ultimately, the findings will contribute to the systematics of Myristicaceae by providing a well-supported taxonomic framework that enhances understanding of species relationships in the genus.

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