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Scientific classification edit
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Tribe: Vandeae
Subtribe: Aeridinae
Genus: Ascoglossum
A. calopterum
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, and is critically endangered by collection as an ornamental plant and habitat loss. 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". The IUCN Red List of Threatened Species. IUCN. 2004: e.T46296A11043316. doi:10.2305/IUCN.UK.2004.RLTS.T46296A11043316.en. Retrieved 13 January 2018.
  2. ^ Kew World Checklist of Selected Plant Families