Lesliegraecum elzbietae, a new small‐flowered angraecoid orchid species (Orchidaceae, Angraecinae) from Madagascar
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Abstract:
A new species from Madagascar, Lesliegraecum elzbietae Mytnik, Szlach. & Olędrz. (Orchidaceae, Angraecinae) is described and illustrated. The morphological description is complemented with data of ecology and distribution of the species. The taxonomic affinities of the new taxon are discussed and key to determination of all Lesliegraecum representatives is provided.Keywords:
Orchidaceae
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Sobralia abadorum (Orchidaceae) - a new orchid species from Peru Sobralia Ruiz & Pav. is one of the largest genus in Orchidaceae. It comprises about 150 species distributed from Mexico to Bolivia. In this paper, a new species of Sobralia from Peru, S. abadorum , is described and illustrated. Its taxonomic affinity is briefly discussed. An analysis of ITS sequences indicates an isolate position of this new species.
Orchidaceae
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The present paper was conceived originally as a straightforward, simple description of a new African taxon. It grew substantially as more research was conducted. It now consists of four parts. In Part I, we discuss the taxonomy of five species of Sciomyzini with a predominantly setulose anepisternum: Atrichomelina pubera, Ditaeniella grisescens, D. trivittata, Pherbellia pilosa, and Ph. shatalkini. In Parts II and III, we consider the three taxa initially included in the genus Ditaeniella sensu Rozkošný (1987) (D. grisescens, D. parallela, and D. patagonensis) and the taxon described herein, D. milleri sp. nov., analysing this group by use of both the classical morphological approach (Part II) as well as by analysis of molecular data from available DNA barcodes (Part III). In Part IV, we provide a key to the taxa of Sciomyzini worldwide that have a predominantly setulose anepisternum. We also provide a list of specimens examined, the data from which significantly supplement the information previously available regarding the distribution of several Palaearctic species.
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Four new records of Orchidaceae from Hunan are reported,Apostasia ramifera S. C. Chen et K. Y. Lang、Eria sinica(Lindl.) Lindl.、Gastrodia albidoides Y. H. Tan T. C. Hsu were collected from The Jiulongjiang National Forest Park in Rucheng County and Galeola faberi Roife was collected from Daweishan National Forest Park in Liuyang County. Apostasia is a new genus in Hunan province. The voucher specimens are preserved in CSFI. The distribution area of the four species of Orchidaceae newly discovered in Hunan are all have a larger span,it has a important value on the fl oristic studies of Orchidaceae. Orchidaceae is the essence of the forest,with a rich species diversity. But many species only have a tiny population,needing high requirementsin on the ecological environment. The Orchidaceae basically were raised in a primeval forest or on the rock suiface which were undisturbed. It is particularly important to protect the habitat of Orchidaceae. In this paper,we discussed the investigation and protection of orchidaceae in Hunan.
Orchidaceae
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A new species of Ornithocephalus (Orchidaceae, Oncidiinae) from southern Venezuela is described and illustrated. It is similar to Ornithocephalus gladiatus from which it can be distinguished by the shape of the lip and the lip callus.
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Callus
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Abstract Two new species of Neotropical Orchidaceae, Epistephium epiphyticum Szlach. & Kolan. and E. cardonae Szlach. & Kolan., are described and illustrated based on Colombian material. So far the new entities are known exclusively from the type locations. Both species are placed within a key to Colombian Epistephium Kunth.
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Panisea panchaseensis Subedi sp. nov. (Orchidaceae) is described as a new species from Nepal. The distinguishing characters, a description, detailed illustrations and photographs are provided. The species is genetically compared to P. tricallosa , and a diagnostic key based on the morphology to all species of Panisea is provided.
Orchidaceae
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