View source for Isotria ← Isotria You do not have permission to edit this page, for the following reason: The action you have requested is limited to users in the group: Users. You can view and copy the source of this page. {{Treatment/ID |accepted_name=Isotria |accepted_authority=Rafinesque |publications={{Treatment/Publication |title=Med. Repos., hexade |place=2, 5: 357. 1808 |year=1808 }} |common_names=Whorled pogonia orchid |basionyms= |synonyms= |hierarchy=Orchidaceae;Orchidaceae subfam. Vanilloideae;Orchidaceae tribe Vanilleae;Orchidaceae (tribe Vanilleae) subtribe Pogoniinae;Isotria |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Orchidaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Orchidaceae subfam. Vanilloideae]]</div><div class="higher-taxon"><small>tribe</small>[[Orchidaceae tribe Vanilleae]]</div><div class="higher-taxon"><small>subtribe</small>[[Orchidaceae (tribe Vanilleae) subtribe Pogoniinae]]</div><div class="higher-taxon"><small>genus</small>[[Isotria]]</div></div> |etymology=Greek iso, equal, and tri, 3; probably referring to 3 sepals of equal size and shape |volume=Volume 26 |mention_page=page 496 |treatment_page=page 511 }}<!-- --><span class="statement" id="st-d0_s0" data-properties="whole_organism duration;whole_organism growth form or habitat;whole_organism season;whole_organism life cycle;whole_organism growth form"><b>Herbs,</b> perennial, terrestrial, winter dormant.</span> <span class="statement" id="st-d0_s1" data-properties="root length or size;root size;root pubescence"><b>Roots </b>long, slender, hairy with mycorrhizae.</span> <span class="statement" id="st-d0_s2" data-properties="stem architecture;stem architecture;stem texture;stem architecture or pubescence or relief;stem pubescence"><b>Stems </b>simple, hollow, fleshy, smooth, glaucous.</span> <span class="statement" id="st-d0_s3" data-properties="leaf atypical quantity;leaf atypical quantity;leaf quantity;leaf arrangement"><b>Leaves </b>(2–) 5 (–6), appearing whorled.</span> <span class="statement" id="st-d0_s4" data-properties="inflorescence position or structure subtype"><b>Inflorescences </b>terminal;</span> <span class="statement" id="st-d0_s5" data-properties="bract presence">bracts absent.</span> <span class="statement" id="st-d0_s6" data-properties="flower quantity;flower orientation;flower orientation;flower coloration;flower coloration;flower coloration or density;flower architecture"><b>Flowers </b>1–2, resupinate, erect, yellowish green to white, yellow, and purple, subsessile to pedicellate;</span> <span class="statement" id="st-d0_s7" data-properties="sepal shape">sepals of same color, linear-oblanceolate to lanceolate, of equal size;</span> <span class="statement" id="st-d0_s8" data-properties="petal shape;petal shape;petal shape;petal shape;petal shape">petals oblanceolate, elliptic-obovate, or elliptic-lanceolate, enclosing column;</span> <span class="statement" id="st-d0_s9" data-properties="lip shape;lateral lobe shape;margin shape or vernation">lip apically 3-lobed, lateral lobes triangular, margins involute;</span> <span class="statement" id="st-d0_s10" data-properties="medial crest texture">callus forming fleshy medial crest;</span> <span class="statement" id="st-d0_s11" data-properties="column coloration;apex shape">column white, apex denticulate;</span> <span class="statement" id="st-d0_s12" data-properties="anther architecture">anther operculate;</span> <span class="statement" id="st-d0_s13" data-properties="pollinium quantity;pollinium pubescence or texture;pollinium pubescence or texture">pollinia 2, hinged, soft, mealy;</span> <span class="statement" id="st-d0_s14" data-properties="rostellum prominence">rostellum obscure;</span> <span class="statement" id="st-d0_s15" data-properties="pollen pubescence or relief or texture">pollen in tetrads, granular;</span> <span class="statement" id="st-d0_s16" data-properties="ovary coloration;ovary size">ovary green, slender.</span> <span class="statement" id="st-d0_s17" data-properties="fruits capsule duration;fruits capsule orientation;fruits capsule shape;fruits capsule dehiscence"><b>Fruits </b>capsules, commonly persistent through following growing season, erect, ellipsoid-cylindric, dehiscent in fall.</span> <span class="statement" id="st-d0_s18" data-properties="seed length;seed width;x chromosome quantity"><b>Seeds </b>1.2 × 0.2 mm. <b>x</b> = 9.</span><!-- -->{{Treatment/Body |distribution=e North America |discussion=<p>Species 2 (2 in the flora).</p> |tables= |references= }}<!-- --><div class="treatment-key"> ==Key== <div class="treatment-key-group"> {| class="wikitable fna-keytable" |-id=key-0-1 |1 |Sepals green to light green, less than 30 mm; lip light yellowish green to pale greenish white, streaked with green; pedicel of mature capsule 5–17(–20) mm; stem and leaves pale grayish green. |[[Isotria medeoloides|Isotria medeoloides]] |-id=key-0-1 |1 |Sepals purplish brown, greater than 30 mm; lip yellowish green to white, streaked with purple; pedicel of mature capsule 20–55 mm; stem purplish to brownish green; leaves green to dark green. |[[Isotria verticillata|Isotria verticillata]] |} </div></div><!-- -->{{#Taxon: name=Isotria |author=Loyal A. Mehrhoff;Michael A. Homoya |authority=Rafinesque |rank=genus |parent rank=subtribe |synonyms= |basionyms= |family=Orchidaceae |distribution=e North America |reference=None |publication title=Med. Repos., hexade |publication year=1808 |special status= |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V26/V26_1043.xml |subfamily=Orchidaceae subfam. Vanilloideae |tribe=Orchidaceae tribe Vanilleae |subtribe=Orchidaceae (tribe Vanilleae) subtribe Pogoniinae |genus=Isotria |anther architecture=operculate |apex shape=denticulate |bract presence=absent |column coloration=white |flower architecture=subsessile;pedicellate |flower coloration=yellow;yellowish green;white |flower coloration or density=purple |flower orientation=erect;resupinate |flower quantity=1;2 |fruits capsule dehiscence=dehiscent |fruits capsule duration=persistent |fruits capsule orientation=erect |fruits capsule shape=ellipsoid-cylindric |inflorescence position or structure subtype=terminal |lateral lobe shape=triangular |leaf arrangement=whorled |leaf atypical quantity=5;6 |leaf quantity=5 |lip shape=3-lobed |margin shape or vernation=involute |medial crest texture=fleshy |ovary coloration=green |ovary size=slender |petal shape=elliptic-lanceolate;elliptic-obovate;elliptic-lanceolate;elliptic-obovate;oblanceolate |pollen pubescence or relief or texture=granular |pollinium pubescence or texture=mealy;soft |pollinium quantity=2 |root length or size=long |root pubescence=hairy |root size=slender |rostellum prominence=obscure |seed length=1.2 |seed width=0.2 |sepal shape=linear-oblanceolate;lanceolate |stem architecture=hollow;simple |stem architecture or pubescence or relief=smooth |stem pubescence=glaucous |stem texture=fleshy |whole_organism duration=perennial |whole_organism growth form=herb |whole_organism growth form or habitat=terrestrial |whole_organism life cycle=dormant |whole_organism season=winter |x chromosome quantity=9 }}<!-- -->[[Category:Treatment]][[Category:Orchidaceae (tribe Vanilleae) subtribe Pogoniinae]] Templates used on this page: Template:Orchidaceae (view source) Template:Treatment/AuthorLink (view source) Template:Treatment/Body (view source) Template:Treatment/Body/Maps (view source) Template:Treatment/ID (view source) Template:Treatment/Publication (view source) Return to Isotria.