Apostasioideae

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Apostasioid orchids
Apostasia wallichii.jpg
Apostasia wallichii
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Apostasioideae
Horan. (1847)
Genera

Apostasia
Neuwiedia

Apostasioideae.png
Distribution of Apostasioideae

The subfamily Apostasioideae is one of five subfamilies recognised within the orchid family, Orchidaceae. [1] Compared to the other orchid subfamilies, it is relatively species-poor, with only two genera ( Neuwiedia and Apostasia) and 15 species.

Members of the subfamily are terrestrial plants found only in humid areas of northern Australia, Southeast Asia, Malaysia, and Japan. [2]

The Apostasioideae are generally considered to be the sister group to all other orchid lineages [3] [4] based on molecular data and flower structure. All other orchid subfamilies with the exception of the Cypripedioideae are monandrous (possessing a single stamen), whereas Apostasioid orchids have 3 stamens.

References

  1. ↑ Chase, Mark W.; Cameron, Kenneth M.; Freudenstein, John V.; Pridgeon, Alec M.; Salazar, Gerardo; van den Berg, Cássio; Schuiteman, André (2015). "An updated classification of Orchidaceae". Botanical Journal of the Linnean Society. 177 (2): 151–174. doi: 10.1111/boj.12234 . ISSN   0024-4074.
  2. ↑ Jersáková, Jana; Trávníček, Pavel; Kubátová, Barbora; Krejčíková, Jana; Urfus, Tomáš; Liu, Zhong-Jian; Lamb, Anthony; Ponert, Jan; Schulte, Katharina; Čurn, Vladislav; Vrána, Jan; Leitch, Ilia J.; Suda, Jan (May 2013). "Genome size variation in Orchidaceae subfamily Apostasioideae: filling the phylogenetic gap: Genome Size in Apostasioideae". Botanical Journal of the Linnean Society. 172 (1): 95–105. doi:10.1111/boj.12027.
  3. ↑ Zhang, Guojin; Hu, Yi; Huang, Ming‐Zhong; Huang, Wei‐Chang; Liu, Ding‐Kun; Zhang, Diyang; Hu, Haihua; Downing, Jason L.; Liu, Zhong‐Jian; Ma, Hong (May 2023). "Comprehensive phylogenetic analyses of Orchidaceae using nuclear genes and evolutionary insights into epiphytism". Journal of Integrative Plant Biology. 65 (5): 1204–1225. doi:10.1111/jipb.13462. ISSN   1672-9072.
  4. ↑ Kocyan, A.; Qiu, Y.-L.; Endress, P.K. & Conti, E. (August 2004). "A phylogenetic analysis of Apostasioideae (Orchidaceae) based on ITS, trnL-F and matK sequences" (PDF). Plant Syst. Evol. 247 (3/4): 203–213. Bibcode:2004PSyEv.247..203K. doi:10.1007/s00606-004-0133-3.

Bibliography

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