Journal
PHYTOTAXA
Volume 625, Issue 2, Pages 220-226Publisher
MAGNOLIA PRESS
DOI: 10.11646/phytotaxa.625.2.8
Keywords
Hippeastrum; description; distribution; nomenclature; taxonomy
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This study focuses on the taxonomic and floristic research of the genus Hippeastrum in Corrientes, Argentina. Through a detailed examination of various materials, a new taxon, Amaryllis euryphylla, is recognized as a member of the Hippeastrum genus. The study also includes habitat photographs, comments on geographic distribution, and identification key for Hippeastrum species in Corrientes.
As part of a series of taxonomic and floristic studies of the endemic vascular flora from Corrientes-Argentina, here we focus our attention on the genus Hippeastrum (Amaryllidaceae). Two species Hippeastrum angustifolium Pax, and Hippeastrum striatum (Lam.) H.E. Moore are cited for Corrientes, Argentina. However, another related taxon, Amaryllis euryphylla Ravenna, a microendemic species from Paraje Tres Cerros, is also recognized for the province. After a detailed study of all original available material, numerous herbarium specimens, and new field collections, we perform a new combination of Amaryllis euryphylla under the genus Hippeastrum as H. euryphyllum. In addition, photographs in its habitat, comments on the geographic distribution and identification key for Hippeastrum species from Corrientes are provided.
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