Didymoplexis

Didymoplexis
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Tribe: Gastrodieae
Subtribe: Gastrodiinae
Genus: Didymoplexis
Griff.
Synonyms[1]
  • Apetalon Wight
  • Epiphanes Rchb.f. in B.Seemann, illegitimate
  • Leucorchis Blume

Didymoplexis is a genus of 17 species of leafless, achlorophyllous orchids, native to Africa, Madagascar, Southeast Asia, Australia and various islands of the Pacific.[1][2] Their rhizomes have aerial roots. Flowers are solitary, resupinate, and arranged into terminal or subterminal raceme. In particular, one dorsal sepal is fused with the petals forming a hoodlike structure.[3]

List of species

Species accepted as of June 2014:[1]

  1. Didymoplexis africana Summerh. - Ghana,Ivory Coast, Congo-Brazzaville, Congo-Kinshasa, Tanzania
  2. Didymoplexis cornuta J.J.Sm. - Java, Borneo
  3. Didymoplexis flexipes J.J.Sm. - Java
  4. Didymoplexis himalaica Schltr. - Assam, Bhutan
  5. Didymoplexis latilabris Schltr. - Kalimantan
  6. Didymoplexis micradenia (Rchb.f.) Hemsl. - Taiwan, Vietnam, Java, Maluku, New Guinea, Solomons, Fiji, Niue, New Caledonia, Samoa, Tonga, Samoa, Wallis & Futuna, Micronesia
  7. Didymoplexis minor J.J.Sm. - Java
  8. Didymoplexis obreniformis J.J.Sm. - Java
  9. Didymoplexis pachystomoides (F.Muell.) Garay & W.Kittr. - Queensland
  10. Didymoplexis pallens Griff. - Afghanistan, Fujian, Taiwan, Ryukyu Islands, Assam, Bangladesh, India, Assam, Bhutan, Nepal, Myanmar,Thailand, Vietnam, Borneo, Java, Malaysia, Lesser Sunda Islands, Philippines, Sumatra, Christmas Island, Northern Territory (of Australia), Queensland, Western Australia, Vanuatu, Niue
  11. Didymoplexis philippinensis Ames - Philippines
  12. Didymoplexis seidenfadenii C.S.Kumar & Ormerod - Kerala
  13. Didymoplexis striata J.J.Sm. - Java, Borneo
  14. Didymoplexis torricellensis Schltr. - New Guinea
  15. Didymoplexis trukensis Tuyama - Micronesia
  16. Didymoplexis verrucosa J.Stewart & Hennessy - KwaZulu-Natal, Madagascar
  17. Didymoplexis vietnamica Ormerod - Guangxi, Vietnam


References

  1. ↑ 1.0 1.1 1.2 Kew World Checklist of Selected Plant Families
  2. ↑ Didymoplexis in Australia
  3. ↑ AHUT CHANTANAORRAPINT, CHUMPOL KHUNWASI, MANITKIDYOO & PARINYANOOT KLINRATANA. 2008 Didymoplexis flexipesJ.J. Sm. (Orchidaceae), A New Record for Thailand. Natural History Journal of Chulalongkorn University 8(2): 210-21

External links