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Brasolia, a new genus highlighted from Sobralia (Orchidaceae)
TLDR
A phylogenetic study of Sobralia (Orchidaceae) confirmed the polyphyletic character of the genus and proposed a generic rank to the group despite its paraphyletic nature.
A new species of Lepanthopsis (Orchidaceae, Pleurothallidinae) from Peru
A new species of Lepanthopsis is described and illustrated based on Peruvian material. Lepanthopsis bennettii is similar to L. dewildei from which it differs by long-connate lateral sepals, broadly
Taxonomic study of Polystachya Hook. (Orchidaceae) from Asia
In Asia, three species of Polystachya (Orchidaceae) are recognized, based on detailed morphological studies. They occur in southern Asia, from Tamil Nadu State in southern India and Yunnan Province
Phylogenetic Placement and Taxonomy of the Genus Hederorkis (Orchidaceae)
Three plastid regions, matK, rpl32-trnL and rpl16 intron and the ITS1-5.8S-ITS2 nuclear ribosomal DNA were used to demonstrate a phylogenetic placement of the genus Hederorkis (Orchidaceae) for the
New species of Sobralia section Abbreviatae Brieger (Orchidaceae) from Colombia. A morphological and molecular evidence
TLDR
The analyses of the ITS and matK reveal close relationship between the new species and Sobralia klotzscheana, however, S. vallecaucana can be easily distinguished by its large leaves compared to its very short stem, leaves and leaves’ sheaths strongly hispid underside and lip with two basal ridges and without thickening along its central nerves.
Two new species of Polystachya Hook. (Orchidaceae) from Africa
TLDR
Two new species of Polystachya Hook are described and illustrated, occurring from the Democratic Republic of Congo and Cameroon, which is the only pantropical section in the genus.
New species and a new record of Pterichis sect. Pterichis (Orchidaceae) from Bolivia
TLDR
A total of four new species are described and one new record, P. aragogiana, for the country is reported and an updated key to the species of the nominal section of Pterichis from Bolivia is presented.
A new species of Ponthieva (Cranichidinae, Orchidaceae) from Bolivia
TLDR
A new species of Ponthieva, P. boliviensis, described and illustrated based on Bolivian material, which resembles P. pilosissima and P. hermiliae characterized by pilose leaves and free lateral sepals but differs in the shallowly concave lip.
Four New Species of Cleistes (Orchidaceae, Vanilloideae) from Colombia
TLDR
Four new Colombian species of Cleistes (Orchidaceae, Vanilloideae) are described and illustrated and notes concerning their morphological distinctions, habitat, and distribution are provided.
Taxonomic study of the Sobralia dorbignyana complex (Orchidaceae)
A close study of Sobralia dorbignyana Rchb. f. revealed that flowers of this species are red, not white as stated in the literature on the subject. We discovered that S. semperflorens Kraenzl., which
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