Orchidoideae

Orchidoid orchids
	Neotinea tridentata subsp. commutata
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Orchidaceae
Subfamily:	Orchidoideae
Tribes
	See text.

The Orchidoideae, or the orchidoid orchids, are a subfamily of the orchid family (Orchidaceae).

Habenaria marginata (golden yellow habenaria) in Goa, India.

They typically contain the orchids with a single (monandrous), fertile anther which is erect and basitonic.

The subfamily Orchidoideae and the previously recognized subfamily Spiranthoideae are considered the closest allies in the natural group of the monandrous orchids because of

a shared terrestrial habit
sectile (capable of being severed) or granular pollinia
erect anthers.

The Orchidoideae contain two subclades with the following tribes :

tribes Orchideae and Diseae
tribes Cranichideae, Chloraeeae and Diurideae

The former subfamily Spiranthoideae is now embedded as tribe Cranichideae in the clade of the Orchidoideae. It is sister to the tribe Diurideae.

The tribe Orchideae comprises the following subtribes:

The tribe Diseae comprises the following subtribes:

The tribe Chloraeeae comprises the following subtribes:

Chloraeinae

The monophyletic tribe Cranichideae comprises the following monophyletic subtribes :

Cranichidinae s.l. (including former Prescottiinae)
Galeottiellinae
Goodyerinae s.l. (including former Pachyplectroninae)
Manniellinae
Pterostylidinae
Discyphinae
Spiranthinae

The tribe Diurideae comprises the following subtribes :

Acianthinae (monophyletic)
Caladeniinae (polyphyletic)
Cryptostylidinae (monophyletic)
Diuridinae (monophyletic)
Drakaeinae (monophyletic)
Prasophyllinae(monophyletic)
Thelymitrinae (monophyletic)

References

RICHARD M. BATEMAN; PETER M. HOLLINGSWORTH; JILLIAN PRESTON; LUO YI-BO; ALEC M. PRIDGEON; MARK W. CHASE (May 2003). "Molecular phylogenetics and evolution of Orchidinae and selected Habenariinae (Orchidaceae)". Botanical Journal of the Linnean Society. 142 (1). doi:10.1046/j.1095-8339.2003.00157.x.
Pridgeon, A.M., P.J. Cribb, M.W. Chase and F.N. Rasmussen [eds.]. 2003. Genera Orchidacearum vol. 3: Orchidoideae part 2, Vanilloideae. Oxford University Press, Oxford, U.K.
Salazar, G.A., M.W. Chase, M.A. Soto Arenas and M. Ingrouille. 2003. Phylogenetics of Cranichideae with emphasis on Spiranthinae (Orchidaceae, Orchidoideae): evidence from plastid and nuclear DNA sequences. American Journal of Botany 90: 777-795.
Salazar, G.A., L.I. Cabrera, S. Madriñán and M.W. Chase. 2009. Phylogenetic relationships of Cranichidinae and Prescottiinae (Orchidaceae, Cranichideae) inferred from plastid and nuclear DNA sequences. Annals of Botany 104: 403-416.
Chemisquy, M.A., Morrone, O. (2010) Phylogenetic analysis of the subtribe Chloraeinae (Orchidaceae): a preliminary approach based on three chloroplast markers. Australian Systematic Botany 23: 38-46. (Abstract)

External links

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