A new species of Schlegelia (Schlegeliaceae) from wet montane forest of Colombia and a key for the species of the genus
In this paper we describe and illustrate Schlegelia longirachis a new species from montane forest remnants (1200--1900 m) in the Western slope of the Eastern Cordillera of Colombia (“Serranía de Las Quinchas” and Virolín county) in the Departments of Boyacá and Santander. A root-climbing liana, the new species is contrasted to S. fuscata, S. monachinoi and S. parviflora, the three most morphologically similar species of Schlegelia. This new species is differentiated from its putative close relatives by vegetative (texture, colour, pubescence and shape in leaves, bracts, bracteoles pedicel, calyx and corolla), inflorescences as well as floral characters (staminode absent). We provide an updated key to 24 known species of Schlegelia. For the identification key, S. fuscata and S. roseiflora are regarded here as different from S. parviflora. S. urbaniana is considered a synonym of S. axillaris, whereas S. fastigiata is separated from S. sulphurea as a recognizable species. Schlegelia has its center of distribution in Colombia, where 17 of the species are known to occur.
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