View source for Oxyria

{{Treatment/ID
|accepted_name=Oxyria
|accepted_authority=Hill
|publications={{Treatment/Publication
|title=Veg. Syst.
|place=10: 24, plate 24, fig. 2. 1765
|year=1765
}}
|common_names=Mountain-sorrel;oxyrie
|basionyms=
|synonyms=
|hierarchy=Polygonaceae;Polygonaceae subfam. Polygonoideae;Oxyria
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Polygonaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Polygonaceae subfam. Polygonoideae]]</div><div class="higher-taxon"><small>genus</small>[[Oxyria]]</div></div>
|etymology=Greek oxys, sour, and -aria, possession, alluding to acidic leaves
|volume=Volume 5
|mention_page=page 218, 480
|treatment_page=page 533
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism duration;whole_organism growth form"><b>Herbs,</b> perennial;</span> <span class="statement" id="st-d0_s1" data-properties="root texture">roots fibrous;</span> <span class="statement" id="st-d0_s2" data-properties="rhizome presence;rhizome quantity">rhizomes present or not.</span> <span class="statement" id="st-d0_s3" data-properties="stem orientation;stem pubescence"><b>Stems </b>erect, glabrous.</span> <span class="statement" id="st-d0_s4" data-properties="leaf duration;basal leaf arrangement;basal leaf architecture"><b>Leaves </b>deciduous, basal, rarely also cauline, alternate, petiolate;</span> <span class="statement" id="st-d0_s5" data-properties="ocreum duration;ocreum pubescence or texture">ocrea sometimes deciduous, chartaceous;</span> <span class="statement" id="st-d0_s6" data-properties="blade shape;margin shape">blade reniform to orbiculate-cordate, margins entire to obscurely wavy.</span> <span class="statement" id="st-d0_s7" data-properties="inflorescence position or structure subtype;inflorescence shape;inflorescence shape;inflorescence architecture"><b>Inflorescences </b>terminal, paniclelike or racemelike, pedunculate.</span> <span class="statement" id="st-d0_s8" data-properties="pedicel presence"><b>Pedicels </b>present.</span> <span class="statement" id="st-d0_s9" data-properties="flower reproduction;flower atypical quantity;flower quantity;base shape"><b>Flowers </b>bisexual, (1–) 3–7 per ocreate fascicle, base stipelike;</span> <span class="statement" id="st-d0_s10" data-properties="perianth size;perianth coloration;perianth shape;perianth pubescence">perianth nonaccrescent, greenish to reddish-brown, campanulate, glabrous;</span> <span class="statement" id="st-d0_s11" data-properties="tepal quantity;tepal width;whorl quantity;whorl quantity;outer tepal quantity;outer tepal fusion;outer tepal architecture;outer tepal growth form;inner tepal quantity">tepals 4, in 2 whorls of 2, distinct, sepaloid, dimorphic, outer 2 narrower than inner 2;</span> <span class="statement" id="st-d0_s12" data-properties="stamen atypical quantity;stamen quantity">stamens (2–) 6;</span> <span class="statement" id="st-d0_s13" data-properties="filament fusion;filament fusion;filament pubescence">filaments distinct, free, glabrous;</span> <span class="statement" id="st-d0_s14" data-properties="anther coloration;anther shape">anthers white to red or deep purple, elliptic to ovate;</span> <span class="statement" id="st-d0_s15" data-properties="style quantity;style orientation;style fusion">styles 2, spreading, distinct;</span> <span class="statement" id="st-d0_s16" data-properties="stigma shape">stigmas penicillate.</span> <span class="statement" id="st-d0_s17" data-properties="achene position;achene coloration;achene architecture;achene shape;achene pubescence"><b>Achenes </b>exserted, yellowish to tan, winged, lenticular, glabrous.</span> <span class="statement" id="st-d0_s18" data-properties=""><b>Seeds:</b> embryo straight or curved.</span> <span class="statement" id="st-d0_s19" data-properties="embryo course;embryo course;x chromosome quantity">x = 7.</span><!--

-->{{Treatment/Body
|distribution=Arctic and alpine;n;w North America;Europe;e Asia
|discussion=<p>Species ca. 4 (1 in the flora).</p>
|tables=
|references={{Treatment/Reference
|id=chrtek1992a
|text=Chrtek, J. and M. Šourková. 1992. Variation in Oxyria digyna. Preslia 64: 207–210.
}}{{Treatment/Reference
|id=mooney1961a
|text=Mooney, H. A. and W. D. Billings. 1961. Comparative physiological ecology of arctic and alpine populations of Oxyria digyna. Ecol. Monogr. 31: 1–29.
}}
}}<!--

--><!--

-->{{#Taxon:
name=Oxyria
|author=Craig C. Freeman;John G. Packer
|authority=Hill
|rank=genus
|parent rank=subfamily
|synonyms=
|basionyms=
|family=Polygonaceae
|illustrator=Bee F. Gunn
|illustration copyright=Flora of North America Association
|distribution=Arctic and alpine;n;w North America;Europe;e Asia
|reference=chrtek1992a;mooney1961a
|publication title=Veg. Syst.
|publication year=1765
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V5/V5_1090.xml
|subfamily=Polygonaceae subfam. Polygonoideae
|genus=Oxyria
|achene architecture=winged
|achene coloration=yellowish;tan
|achene position=exserted
|achene pubescence=glabrous
|achene shape=lenticular
|anther coloration=white;red or deep purple
|anther shape=elliptic;ovate
|basal leaf architecture=petiolate
|basal leaf arrangement=alternate
|base shape=stipelike
|blade shape=reniform;orbiculate-cordate
|embryo course=curved;straight
|filament fusion=free;distinct
|filament pubescence=glabrous
|flower atypical quantity=1;3
|flower quantity=3;7
|flower reproduction=bisexual
|inflorescence architecture=pedunculate
|inflorescence position or structure subtype=terminal
|inflorescence shape=racemelike;paniclelike
|inner tepal quantity=2
|leaf duration=deciduous
|margin shape=entire;obscurely wavy
|ocreum duration=deciduous
|ocreum pubescence or texture=chartaceous
|outer tepal architecture=sepaloid
|outer tepal fusion=distinct
|outer tepal growth form=dimorphic
|outer tepal quantity=2
|pedicel presence=absent
|perianth coloration=greenish;reddish-brown
|perianth pubescence=glabrous
|perianth shape=campanulate
|perianth size=nonaccrescent
|rhizome presence=absent
|rhizome quantity=not
|root texture=fibrous
|stamen atypical quantity=2;6
|stamen quantity=6
|stem orientation=erect
|stem pubescence=glabrous
|stigma shape=penicillate
|style fusion=distinct
|style orientation=spreading
|style quantity=2
|tepal quantity=4
|tepal width=narrower
|whole_organism duration=perennial
|whole_organism growth form=herb
|whorl quantity=2;2
|x chromosome quantity=7
}}<!--

-->[[Category:Treatment]][[Category:Polygonaceae subfam. Polygonoideae]]