| Renanthera caloptera | |
|---|---|
| Conservation status | |
 Critically Endangered (IUCN 3.1) | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Orchidaceae |
| Subfamily: | Epidendroideae |
| Tribe: | Vandeae |
| Subtribe: | Aeridinae |
| Genus: | Renanthera |
| Species: | R. caloptera |
| Binomial name | |
| Renanthera caloptera (Schltr.) Alexander Kocyan & Schuit. | |
| Synonyms | |
| |
Renanthera caloptera is a species in the family Orchidaceae. It was formerly the only species in the monotypic genus Ascoglossum, abbreviated Ascgm in the horticultural trade. It is endemic to Dinagat Island in the southern Philippines and is critically endangered by collection as an ornamental plant and habitat loss. Its flowers are a vivid purple.
Taxonomy
Renanthera caloptera was described in 1882 by Heinrich Gustav Reichenbach as Saccolabium calopterum. Its name was subsequently changed to Ascoglossum caloptera by Rudolf Schlecter. Finally, based on research published by Alexander Kocyan & Andre Schuiteman, its name was changed to Renanthera caloptera.
Horticulture
The Royal Horticultural Society uses Renanthera caloptera for hybrid registration purposes.
Before that 2014 taxonomic revision, Ascoglossum formed 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.) |
Orchid hybrids are registered with The International Register at the Royal Horticultural Society. One primary hybrid was originated and registered by A.Kolopaking in 1989 as Renanthoglossum Nina Rach (Ascoglossum purpureum × Renanthera monachica). As of 2014, this is classified as Renanthera Nina Rach.
References
- ^ 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. 2004. IUCN: e.T46296A11043316. doi:10.2305/IUCN.UK.2004.RLTS.T46296A11043316.en. Retrieved 13 January 2018.
- Kew World Checklist of Selected Plant Families
- "Largest online collection of New Guinea orchids".
- Kocyan, Alexander; Schuiteman, André (2014-02-20). "New combinations in Aeridinae (Orchidaceae)". Phytotaxa. 161 (1): 61. doi:10.11646/phytotaxa.161.1.3. ISSN 1179-3163. S2CID 84047971.
- "The International Orchid Register / RHS Gardening".
| Taxon identifiers | |
|---|---|
| Renanthera caloptera | |
| Ascoglossum | |
| Saccolabium calopterum | |
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- IUCN Red List critically endangered species
- Renanthera
- Epiphytic orchids
- Endemic orchids of the Philippines
- Critically endangered flora of Asia
- Flora of Mindanao
- Species that are or were threatened by the pet trade
- Species that are or were threatened by logging
- Species that are or were threatened by slash-and-burn
- Species that are or were threatened by urbanization
- Species that are or were threatened by habitat fragmentation
- Vandeae stubs