Ascoglossum, abbreviated as Ascgm in horticultural trade, is a monotypic

Monotypic

In biology, a monotypic taxon is a taxonomic group with only one biological type. The term's usage differs slightly between botany and zoology. The term monotypic has a separate use in conservation biology, monotypic habitat, regarding species habitat conversion eliminating biodiversity and...

 genus of epiphytic

Epiphyte

An epiphyte is a plant that grows upon another plant non-parasitically or sometimes upon some other object , derives its moisture and nutrients from the air and rain and sometimes from debris accumulating around it, and is found in the temperate zone and in the...

 orchids in family Orchidaceae

Orchidaceae

The Orchidaceae, commonly referred to as the orchid family, is a morphologically diverse and widespread family of monocots in the order Asparagales. Along with the Asteraceae, it is one of the two largest families of flowering plants, with between 21,950 and 26,049 currently accepted species,...

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Its only species Ascoglossum calopterum (Rchb.f.) Schltr., 1913 is endemic to the Moluccas, New Guinea

New Guinea

New Guinea is the world's second largest island, after Greenland, covering a land area of 786,000 km2. Located in the southwest Pacific Ocean, it lies geographically to the east of the Malay Archipelago, with which it is sometimes included as part of a greater Indo-Australian Archipelago...

, the Philippines

Philippines

The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

, and the Solomon Islands

Solomon Islands

Solomon Islands is a sovereign state in Oceania, east of Papua New Guinea, consisting of nearly one thousand islands. It covers a land mass of . The capital, Honiara, is located on the island of Guadalcanal...

. Its growth is similar to Renanthera

Renanthera

Renanthera, abbreviated as Ren in horticultural trade, is a genus of large scrambling monopodial epiphytic and terrestrial species distributed from India, New Guinea, and through to the Philippines. Species in this genus produce a branched inflorescence containing numerous flowers ranging in color...

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The species Ascoglossum purpureum (J.J.Sm.) Schltr, 1913 is a synonym of the accepted name Ascoglossum calopterum

Ascoglossum (Ascgm.) forms several different intergeneric hybrids (nothogenera):

Ascoglossum x Renanthera (Ren.): Renanthoglossum (Rngm.)

Ascoglossum x Aerides (Aer.): Nonaara (Non.)

Ascoglossum x Arachnis: Ngara (Ngara)

Ascoglossum x Paraphalaenopsis: Ascoparanthera (Apn.)

Ascoglossum x Phalaenopsis (Phal.): Dresslerara (Dres.)

Ascoglossum x Rhynchostylis: Lauara (Lauara)

Ascoglossum x Trichoglottis: Sheehanara (Shn.)

Ascoglossum x Vanda: Pantapaara (Pntp.)

Ascoglossum x Vandopsis: Freedara (Fdra.)

One of the RHS-registered primary hybrids is Ascoglossum Nina Rach (Ascoglossum purpureum x Renanthera monachica).