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Christensonella ecallosa sp. nov. (Orchidaceae, Maxillariinae) from Guyana and Brazil
Author(s) -
Lipińska Monika,
Szlachetko Dariusz L.
Publication year - 2017
Publication title -
nordic journal of botany
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.333
H-Index - 33
eISSN - 1756-1051
pISSN - 0107-055X
DOI - 10.1111/njb.01355
Subject(s) - orchidaceae , biology , herbarium , habit , botany , psychology , psychotherapist
A new species of Christensonella (Orchidaceae, Maxillariinae) is described and illustrated based on herbarium material. The most important characters of Christensonella ecallosa Lipińska & Szlach. are the ovate lip, with transversely elliptic middle lobe, minutely dentate margins and very obscure lip callus, which forms an elevated thick pad near the base. Taking into account the habit, it may be misidentified as C. uncata , but they are clearly distinguished by the lip shape. The taxonomic affiliations of the new species are briefly discussed.