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You can view and copy the source of this page. {{Treatment/ID |accepted_name=Paxistima |accepted_authority=Rafinesque |publications={{Treatment/Publication |title=Sylva Tell., |place=42. 1838 |year=1838 }} |basionyms= |synonyms= |hierarchy=Celastraceae;Paxistima |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Celastraceae]]</div><div class="higher-taxon"><small>genus</small>[[Paxistima]]</div></div> |etymology=Greek pachos, thick, and stigma, alluding to slightly enlarged stigma |volume=Volume 12 |mention_page=page 112, 119 |treatment_page=page 129 }}<!-- --><span class="statement" id="st-d0_s0" data-properties="whole_organism growth form"><b>Shrubs.</b></span> <span class="statement" id="st-d0_s1" data-properties="branchlet shape;ridge pubescence or texture"><b>Branchlets </b>4-angled, with corky ridges.</span> <span class="statement" id="st-d0_s2" data-properties="leaf duration;leaf arrangement"><b>Leaves </b>persistent, opposite;</span> <span class="statement" id="st-d0_s3" data-properties="stipule presence">stipules present;</span> <span class="statement" id="st-d0_s4" data-properties="petiole presence;petiole presence">petiole present or absent;</span> <span class="statement" id="st-d0_s5" data-properties="">blade margins finely toothed;</span> <span class="statement" id="st-d0_s6" data-properties="blade margin shape;blade margin architecture or shape">venation pinnate.</span> <span class="statement" id="st-d0_s7" data-properties="inflorescence architecture or arrangement or growth form;cyme position;cyme architecture or arrangement or growth form;flower position;flower architecture or arrangement or growth form"><b>Inflorescences </b>axillary, cymes or flowers solitary.</span> <span class="statement" id="st-d0_s8" data-properties="flower reproduction;flower architecture or shape"><b>Flowers </b>bisexual, radially symmetric;</span> <span class="statement" id="st-d0_s9" data-properties="perianth position;androecium position">perianth and androecium perigynous;</span> <span class="statement" id="st-d0_s10" data-properties="hypanthium fusion">hypanthium free from ovary;</span> <span class="statement" id="st-d0_s11" data-properties="sepal quantity;sepal fusion">sepals 4, distinct;</span> <span class="statement" id="st-d0_s12" data-properties="petal quantity;petal coloration">petals 4, reddish-brown to yellowish green;</span> <span class="statement" id="st-d0_s13" data-properties="nectary position;nectary texture">nectary intrastaminal, lining hypanthium, fleshy;</span> <span class="statement" id="st-d0_s14" data-properties="stamen quantity;stamen fusion">stamens 4, adnate to nectary margin;</span> <span class="statement" id="st-d0_s15" data-properties="staminode presence">staminodes 0;</span> <span class="statement" id="st-d0_s16" data-properties="pistil architecture">pistil 2-carpellate;</span> <span class="statement" id="st-d0_s17" data-properties="ovary position;ovary prominence;ovary fusion;ovary architecture or structure in adjective form;ovary placentation">ovary superior, immersed in and adnate to nectary, 2-locular, placentation axile;</span> <span class="statement" id="st-d0_s18" data-properties="style quantity">style 1;</span> <span class="statement" id="st-d0_s19" data-properties="stigma quantity">stigmas 2;</span> <span class="statement" id="st-d0_s20" data-properties="ovule quantity">ovules 2 per locule.</span> <span class="statement" id="st-d0_s21" data-properties="fruits capsule architecture or structure in adjective form;fruits capsule shape;fruits capsule shape;apex architecture or shape"><b>Fruits </b>capsules, 2-locular, ellipsoid or obovoid, apex not beaked.</span> <span class="statement" id="st-d0_s22" data-properties="seed quantity;seed shape;seed shape;seed architecture"><b>Seeds </b>1 per locule, ellipsoid or obovoid, not winged;</span> <span class="statement" id="st-d0_s23" data-properties="aril coloration;aril coloration;base position relational;base quantity">aril yellow or white, surrounding base and 1 side of seed, lacerate or fringed.</span> <span class="statement" id="st-d0_s24" data-properties="seed side shape;seed side shape;x chromosome quantity">x = 16.</span><!-- -->{{Treatment/Body |distribution=North America;n Mexico |discussion=<p>Species 2 (2 in the flora).</p><!-- --><p>Pachystima and Pachistima are orthographic variants used frequently in the flora area.</p> |tables= |references={{Treatment/Reference |id=navaro1990a |text=Navaro, A. M. and W. H. Blackwell. 1990. A revision of Paxistima (Celastraceae). Sida 14: 231–249. }}{{Treatment/Reference |id=wheeler1943a |text=Wheeler, L. C. 1943. History and orthography of the celastraceous genus "Pachystima" Rafinesque. Amer. Midl. Naturalist 29: 792–795. }} }}<!-- --><div class="treatment-key"> ==Key== <div class="treatment-key-group"> {| class="wikitable fna-keytable" |-id=key-0-1 |1 |Shrubs 1–4 dm; leaves 5–20 × 2–4 mm, usually linear to narrowly elliptic, rarely oblanceolate; capsules 3–4 mm. |[[Paxistima canbyi|Paxistima canbyi]] |-id=key-0-1 |1 |Shrubs 5–10 dm; leaves 8–34 × 3–12 mm, ovate, elliptic, or oblanceolate; capsules 4–7 mm. |[[Paxistima myrsinites|Paxistima myrsinites]] |} </div></div><!-- -->{{#Taxon: name=Paxistima |author=Jinshuang Ma |authority=Rafinesque |rank=genus |parent rank=family |synonyms= |basionyms= |family=Celastraceae |distribution=North America;n Mexico |reference=navaro1990a;wheeler1943a |publication title=Sylva Tell., |publication year=1838 |special status= |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V12/V12_890.xml |genus=Paxistima |androecium position=perigynous |apex architecture or shape=not beaked |aril coloration=white;yellow |base position relational=surrounding |base quantity=1 |blade margin architecture or shape=pinnate |blade margin shape=toothed |branchlet shape=4-angled |cyme architecture or arrangement or growth form=solitary |cyme position=axillary |flower architecture or arrangement or growth form=solitary |flower architecture or shape=symmetric |flower position=axillary |flower reproduction=bisexual |fruits capsule architecture or structure in adjective form=2-locular |fruits capsule shape=obovoid;ellipsoid |hypanthium fusion=free |inflorescence architecture or arrangement or growth form=solitary |leaf arrangement=opposite |leaf duration=persistent |nectary position=intrastaminal |nectary texture=fleshy |ovary architecture or structure in adjective form=2-locular |ovary fusion=adnate |ovary placentation=axile |ovary position=superior |ovary prominence=immersed |ovule quantity=2 |perianth position=perigynous |petal coloration=reddish-brown;yellowish green |petal quantity=4 |petiole presence=absent;absent |pistil architecture=2-carpellate |ridge pubescence or texture=corky |seed architecture=not winged |seed quantity=1 |seed shape=obovoid;ellipsoid |seed side shape=fringed;lacerate |sepal fusion=distinct |sepal quantity=4 |stamen fusion=adnate |stamen quantity=4 |staminode presence=absent |stigma quantity=2 |stipule presence=absent |style quantity=1 |whole_organism growth form=shrub |x chromosome quantity=16 }}<!-- -->[[Category:Treatment]][[Category:Celastraceae]] Templates used on this page: Template:Celastraceae (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) Template:Treatment/Reference (view source) Return to Paxistima.