Difference between revisions of "Polystachya"

Hooker

Exot. Fl. 2: plate 103. 1824.

Etymology: Greek poly, many, and stachys, spike, alluding to many branchlets of the inflorescence in some species
Treatment appears in FNA Volume 26. Treatment on page 617. Mentioned on page 495.
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|publication year=1824
 
|publication year=1824
 
|special status=
 
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V26/V26_1262.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V26/V26_1262.xml
 
|subfamily=Orchidaceae subfam. Epidendroideae
 
|subfamily=Orchidaceae subfam. Epidendroideae
 
|tribe=Orchidaceae tribe Epidendreae
 
|tribe=Orchidaceae tribe Epidendreae

Revision as of 16:41, 18 September 2019

Herbs epiphytic, lithophytic, or terrestrial. Roots velamentous. Stems slender or pseudobulbous, clustered or distant along rhizome. Leaves 1–several, conduplicate, thin [fleshy], leathery. Inflorescences terminal, simple or paniculate racemes with ± secund branches; peduncle enclosed by scarious sheaths. Flowers few to many, mostly not resupinate, generally small; dorsal sepal free; lateral sepals adnate to column foot forming mentum; petals smaller than sepals, free; lip 3-lobed [simple], adnate to and articulate with column foot, forming part of mentum; disc usually callose, pubescent; column semiterete, short; foot distinct; stigmas confluent, transverse under rostellum, viscidium ovate to elliptic; anther terminal, incumbent, operculate; pollinia 4, globose or ellipsoid, hard, waxy, attached to single short stipe. Fruits capsules.

Distribution

Tropical and subtropical regions, especially rich in Africa, s Fla., Mexico, West Indies, Central America, South America, Asia, Australia, Pacific Islands.

Discussion

Species 150 (1 in the flora).

Selected References

None.

... more about "Polystachya"
James D. Ackerman +
Hooker +
Tropical and subtropical regions +, especially rich in Africa +, s Fla. +, Mexico +, West Indies +, Central America +, South America +, Asia +, Australia +  and Pacific Islands. +
Greek poly, many, and stachys, spike, alluding to many branchlets of the inflorescence in some species +
Polystachya +
Orchidaceae (tribe Epidendreae) subtribe Polystachynae +