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Ascoglossum calopterum
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Tribe: Vandeae
Subtribe: Aeridinae
Alliance: Vanda
Genus: Ascoglossum
Binomial name
Ascoglossum calopterum
(Rchb.f.) Schltr.
  • Saccolabium calopterum Rchb.f.
  • Cleisostoma cryptochilum F.Muell.
  • Saccolabium schleinitzianum Kraenzl.
  • Saccolabium purpureum J.J.Sm.
  • Ascoglossum purpureum (J.J.Sm.) Schltr.

Ascoglossum, abbreviated as Ascgm in horticultural trade, is a monotypic genus of epiphytic orchids in family Orchidaceae. Its only species Ascoglossum calopterum is endemic to Dinagat Island in the southern Philippines. Its growth is similar to Renanthera.[1]

Ascoglossum forms several different intergeneric hybrids (nothogenera):

Ascoglossum × Renanthera (Ren.): Renanthoglossum (Rngm.)
Ascoglossum × Aerides (Aer.): Nonaara (Non.)
Ascoglossum × Arachnis: Ngara (Ngara)
Ascoglossum × Paraphalaenopsis: Ascoparanthera (Apn.)
Ascoglossum × Phalaenopsis (Phal.): Dresslerara (Dres.)
Ascoglossum × Rhynchostylis: Lauara (Lauara)
Ascoglossum × Trichoglottis: Sheehanara (Shn.)
Ascoglossum × Vanda: Pantapaara (Pntp.)
Ascoglossum × Vandopsis: Freedara (Fdra.)

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


  1. ^ a b E. M. G. Agoo; J. Cootes; A. Golamco Jr.; E. F. de Vogel & D. Tiu (2004). "Ascoglossum calopterum". IUCN Red List of Threatened Species. Version 2014.2. International Union for Conservation of Nature. Retrieved November 23, 2014. 
  2. ^ Kew World Checklist of Selected Plant Families