Ascoglossum

Ascoglossum calopterum
Conservation status
Critically Endangered (IUCN 3.1)
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Monocots
Order:	Asparagales
Family:	Orchidaceae
Subfamily:	Epidendroideae
Tribe:	Vandeae
Subtribe:	Aeridinae
Alliance:	Vanda
Genus:	Ascoglossum Schltr.
Binomial name
Ascoglossum calopterum (Rchb.f.) Schltr.
Synonyms
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.

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).