View source for Polystachya

{{Treatment/ID
|accepted_name=Polystachya
|accepted_authority=Hooker
|publications={{Treatment/Publication
|title=Exot. Fl.
|place=2: plate 103. 1824
|year=1824
}}
|basionyms=
|synonyms=
|hierarchy=Orchidaceae;Orchidaceae subfam. Epidendroideae;Orchidaceae tribe Epidendreae;Orchidaceae (tribe Epidendreae) subtribe Polystachynae;Polystachya
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Orchidaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Orchidaceae subfam. Epidendroideae]]</div><div class="higher-taxon"><small>tribe</small>[[Orchidaceae tribe Epidendreae]]</div><div class="higher-taxon"><small>subtribe</small>[[Orchidaceae (tribe Epidendreae) subtribe Polystachynae]]</div><div class="higher-taxon"><small>genus</small>[[Polystachya]]</div></div>
|etymology=Greek poly, many, and stachys, spike, alluding to many branchlets of the inflorescence in some species
|volume=Volume 26
|mention_page=page 495
|treatment_page=page 617
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism habitat;whole_organism habitat;whole_organism habitat;whole_organism habitat;whole_organism habitat;whole_organism growth form"><b>Herbs </b>epiphytic, lithophytic, or terrestrial.</span> <span class="statement" id="st-d0_s1" data-properties=""><b>Roots </b>velamentous.</span> <span class="statement" id="st-d0_s2" data-properties="stem size;stem size;stem arrangement;stem arrangement"><b>Stems </b>slender or pseudobulbous, clustered or distant along rhizome.</span> <span class="statement" id="st-d0_s3" data-properties="leaf quantity;leaf arrangement or vernation;leaf width;leaf texture"><b>Leaves </b>1–several, conduplicate, thin [fleshy], leathery.</span> <span class="statement" id="st-d0_s4" data-properties="inflorescence position or structure subtype;inflorescence architecture;raceme arrangement;branch architecture"><b>Inflorescences </b>terminal, simple or paniculate racemes with ± secund branches;</span> <span class="statement" id="st-d0_s5" data-properties="sheath texture">peduncle enclosed by scarious sheaths.</span> <span class="statement" id="st-d0_s6" data-properties="flower quantity;flower orientation;flower size"><b>Flowers </b>few-to-many, mostly not resupinate, generally small;</span> <span class="statement" id="st-d0_s7" data-properties="dorsal sepal fusion">dorsal sepal free;</span> <span class="statement" id="st-d0_s8" data-properties="lateral sepal fusion">lateral sepals adnate to column-foot forming mentum;</span> <span class="statement" id="st-d0_s9" data-properties="petal size;petal fusion">petals smaller than sepals, free;</span> <span class="statement" id="st-d0_s10" data-properties="mentum lip shape;mentum lip fusion;mentum lip architecture">lip 3-lobed [simple], adnate to and articulate with column-foot, forming part of mentum;</span> <span class="statement" id="st-d0_s11" data-properties="disc pubescence;disc pubescence">disc usually callose, pubescent;</span> <span class="statement" id="st-d0_s12" data-properties="column shape;column height or length or size">column semiterete, short;</span> <span class="statement" id="st-d0_s13" data-properties="foot fusion">foot distinct;</span> <span class="statement" id="st-d0_s14" data-properties="stigma arrangement;stigma dehiscence or orientation;viscidium shape">stigmas confluent, transverse under rostellum, viscidium ovate to elliptic;</span> <span class="statement" id="st-d0_s15" data-properties="anther position or structure subtype;anther arrangement or orientation;anther architecture">anther terminal, incumbent, operculate;</span> <span class="statement" id="st-d0_s16" data-properties="pollinium quantity;pollinium shape;pollinium shape;pollinium texture;pollinium texture;pollinium fixation;stipe quantity;stipe height or length or size">pollinia 4, globose or ellipsoid, hard, waxy, attached to single short stipe.</span> <span class="statement" id="st-d0_s17" data-properties=""><b>Fruits </b>capsules.</span><!--

-->{{Treatment/Body
|distribution=Tropical and subtropical regions;especially rich in Africa;s Fla.;Mexico;West Indies;Central America;South America;Asia;Australia;Pacific Islands
|discussion=<p>Species 150 (1 in the flora).</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Polystachya
|author=James D. Ackerman
|authority=Hooker
|rank=genus
|parent rank=subtribe
|synonyms=
|basionyms=
|family=Orchidaceae
|distribution=Tropical and subtropical regions;especially rich in Africa;s Fla.;Mexico;West Indies;Central America;South America;Asia;Australia;Pacific Islands
|reference=None
|publication title=Exot. Fl.
|publication year=1824
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V26/V26_1262.xml
|subfamily=Orchidaceae subfam. Epidendroideae
|tribe=Orchidaceae tribe Epidendreae
|subtribe=Orchidaceae (tribe Epidendreae) subtribe Polystachynae
|genus=Polystachya
|anther architecture=operculate
|anther arrangement or orientation=incumbent
|anther position or structure subtype=terminal
|branch architecture=secund
|column height or length or size=short
|column shape=semiterete
|disc pubescence=pubescent;callose
|dorsal sepal fusion=free
|flower orientation=resupinate
|flower quantity=few;many
|flower size=small
|foot fusion=distinct
|inflorescence architecture=simple
|inflorescence position or structure subtype=terminal
|lateral sepal fusion=adnate
|leaf arrangement or vernation=conduplicate
|leaf quantity=1;several
|leaf texture=leathery
|leaf width=thin
|mentum lip architecture=articulate
|mentum lip fusion=adnate
|mentum lip shape=3-lobed
|petal fusion=free
|petal size=smaller
|pollinium fixation=attached
|pollinium quantity=4
|pollinium shape=ellipsoid;globose
|pollinium texture=ceraceous;hard
|raceme arrangement=paniculate
|sheath texture=scarious
|stem arrangement=distant;clustered
|stem size=pseudobulbous;slender
|stigma arrangement=confluent
|stigma dehiscence or orientation=transverse
|stipe height or length or size=short
|stipe quantity=single
|viscidium shape=ovate;elliptic
|whole_organism growth form=herb
|whole_organism habitat=terrestrial;lithophytic;terrestrial;lithophytic;epiphytic
}}<!--

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