Dryadorchis

Dryadorchis is a genus of flowering plants from the orchid family, Orchidaceae.[1] It is endemic to New Guinea.[1][2]

Dryadorchis
Dryadorchis barbellata
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Tribe: Vandeae
Subtribe: Aeridinae
Genus: Dryadorchis
Schltr.
Distribution of Dryadorchis. It is endemic to New Guinea.

Description

The stems are very short, and they bear subfalcate leaves. The racemose inflorescences have a swollen rhachis. They produce short-lived flowers with a long, slim column, which houses four pollinia. The unspurred labellum has a concavity in its centre.[3][4]

Etymology

The genus name of Dryadorchis refers to Dryad, a tree nymph or tree spirit in Greek mythology.[5]

Ecology

Dryadorchis grows epiphytically at elevations of 0-1700 m above sea level.[3]

Taxonomy

Proposed merging with other genera

It was proposed to merge this genus with Sarcochilus and Thrixspermum, which however was rejected.[3]

Species

It contains 5 known species, which are all endemic to New Guinea:[1][6]

  1. Dryadorchis barbellata Schltr.
  2. Dryadorchis dasystele Schuit. & de Vogel
  3. Dryadorchis huliorum (Schuit.) Christenson & Schuit.
  4. Dryadorchis minor Schltr.
  5. Dryadorchis singularis (J.J.Sm.) Christenson & Schuit.

See also

References
  1. "Dryadorchis Schltr". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 14 January 2022.
  2. Marshall, A., & Beehler, B. (2011). "Ecology of Indonesian Papua Part One." Tuttle Publishing.
  3. Schuiteman, A., & Christenson, E. A. (1995). "A synopsis of Dryadorchis Schltr.(Orchidaceae)." Blumea: Biodiversity, Evolution and Biogeography of Plants, 40(2), 421-424.
  4. Schuiteman, A., & Ormerod, P. (1998). "Ophioglossella (Orchidaceae-Aeridinae), a new genus from Papua New Guinea." Kew Bulletin, 741-745.
  5. Burkhardt, Lotte (2022). Eine Enzyklopädie zu eponymischen Pflanzennamen [Encyclopedia of eponymic plant names] (pdf) (in German). Berlin: Botanic Garden and Botanical Museum, Freie Universität Berlin. doi:10.3372/epolist2022. ISBN 978-3-946292-41-8. S2CID 246307410. Retrieved January 27, 2022.
  6. Berg Pana, H. 2005. Handbuch der Orchideen-Namen. Dictionary of Orchid Names. Dizionario dei nomi delle orchidee. Ulmer, Stuttgart


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