View source for Diapensia ← Diapensia 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=Diapensia |accepted_authority=Linnaeus |publications={{Treatment/Publication |title=Sp. Pl. |place=1: 141. 1753 |year=1753 }}, {{Treatment/Publication |title=Gen. Pl. ed. |place=5, 69. 1754 , }} |common_names=Pincushion plant |basionyms= |synonyms= |hierarchy=Diapensiaceae;Diapensia |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Diapensiaceae]]</div><div class="higher-taxon"><small>genus</small>[[Diapensia]]</div></div> |etymology=Greek dia-, composed, and pente, five, alluding to sepal, petal, and stamen numbers |volume=Volume 8 |mention_page=page 332, 333 |treatment_page=page 337 }}<!-- --><span class="statement" id="st-d0_s0" data-properties="whole_organism architecture;whole_organism architecture;whole_organism growth form"><b>Subshrubs,</b> forming tussocks, cushions, domes, or mats, caulescent, taprooted.</span> <span class="statement" id="st-d0_s1" data-properties="stem growth form or orientation;stem architecture"><b>Stems </b>mostly prostrate to decumbent, branched;</span> <span class="statement" id="st-d0_s2" data-properties="branch growth form;branch growth form">branches procumbent or decumbent to erect.</span> <span class="statement" id="st-d0_s3" data-properties="leaf position;leaf arrangement;leaf arrangement;leaf arrangement;leaf arrangement;leaf arrangement;leaf arrangement;leaf arrangement;leaf arrangement;leaf some measurement"><b>Leaves </b>cauline, mostly opposite or compactly whorled, densely imbricate or crowded, 3–15 mm;</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 shape;blade shape;blade shape;blade shape;margin architecture or shape;apex shape;apex shape;surface pubescence;lateral-vein architecture;lateral-vein quantity;lateral-vein prominence">blade oblong-lanceolate to narrowly spatulate, obovate, or spatulate-elliptic, slightly falcate, margins entire, apex acute or obtuse, surfaces glabrous, appearing 1-veined, sometimes with 1–2, indistinct, lateral-veins.</span> <span class="statement" id="st-d0_s6" data-properties="inflorescence architecture;flower architecture or arrangement or growth form;bract quantity"><b>Inflorescences </b>solitary flowers, pedicellate to subsessile, immediately subtended by 2–3 bracts.</span> <span class="statement" id="st-d0_s7" data-properties="pedicel architecture;pedicel length"><b>Pedicels </b>ebracteate, elongating after anthesis.</span> <span class="statement" id="st-d0_s8" data-properties="sepal fusion;sepal fusion"><b>Flowers:</b> sepals distinct or connate proximally;</span> <span class="statement" id="st-d0_s9" data-properties="petal fusion;corolla shape;corolla some measurement;lobe coloration;margin architecture or shape">petals connate in proximal 1/2, corolla cupulate to campanulate, 7–10 mm, lobes white to cream or pinkish tinged to rose, margins entire;</span> <span class="statement" id="st-d0_s10" data-properties="anther architecture or structure in adjective form;anther dehiscence">anthers 2-locular, without basal spurs, longitudinally dehiscent;</span> <span class="statement" id="st-d0_s11" data-properties="filament fusion">filaments adnate to corolla-tube;</span> <span class="statement" id="st-d0_s12" data-properties="">staminodes absent or vestigial.</span> <span class="statement" id="st-d0_s13" data-properties="staminode presence;staminode prominence;x chromosome quantity">x = 6.</span><!-- -->{{Treatment/Body |distribution=North America;n Europe;Asia |discussion=<p>Species 5 (2 in the flora).</p><!-- --><p>The three temperate species of Diapensia are endemic to the Sino-Himalayan Mountains. They differ as a group from the two boreal species by their production of vestigial staminodes (see F. Ludlow 1976).</p> |tables= |references= }}<!-- --><div class="treatment-key"> ==Key== <div class="treatment-key-group"> {| class="wikitable fna-keytable" |-id=key-0-1 |1 |Plants forming tussocks; branches not adventitiously rooted; leaf blades oblong-oblanceolate to narrowly spatulate, 7-15 × 1.3-2.3 mm, margins with narrow hyaline flange proximally. |[[Diapensia lapponica|Diapensia lapponica]] |-id=key-0-1 |1 |Plants usually forming mats or low mounds or cushions; branches adventitiously rooted; leaf blades obovate to spatulate-elliptic, 3-8(-12) × 1.5-2.2(-3) mm, margins sometimes with narrow hyaline flange. |[[Diapensia obovata|Diapensia obovata]] |} </div></div><!-- -->{{#Taxon: name=Diapensia |author=Guy L. Nesom |authority=Linnaeus |rank=genus |parent rank=family |synonyms= |basionyms= |family=Diapensiaceae |distribution=North America;n Europe;Asia |reference=None |publication title=Sp. Pl.;Gen. Pl. ed. |publication year=1753; |special status= |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V8/V8_666.xml |genus=Diapensia |anther architecture or structure in adjective form=2-locular |anther dehiscence=dehiscent |apex shape=obtuse;acute |blade shape=falcate;oblong-lanceolate;narrowly spatulate obovate or spatulate-elliptic |bract quantity=2;3 |branch growth form=decumbent to erect;procumbent |corolla shape=cupulate;campanulate |corolla some measurement=7mm;10mm |filament fusion=adnate |flower architecture or arrangement or growth form=solitary |inflorescence architecture=pedicellate;subsessile |lateral-vein architecture=1-veined |lateral-vein prominence=indistinct |lateral-vein quantity=1;2 |leaf arrangement=crowded;imbricate;whorled;opposite;crowded;imbricate;whorled;opposite |leaf position=cauline |leaf some measurement=3mm;15mm |lobe coloration=white;cream or pinkish tinged |margin architecture or shape=entire;entire |pedicel architecture=ebracteate |pedicel length=elongating |petal fusion=connate |petiole presence=absent;absent |sepal fusion=connate;distinct |staminode presence=absent |staminode prominence=vestigial |stem architecture=branched |stem growth form or orientation=mostly prostrate;decumbent |surface pubescence=glabrous |whole_organism architecture=taprooted;caulescent |whole_organism growth form=subshrub |x chromosome quantity=6 }}<!-- -->[[Category:Treatment]][[Category:Diapensiaceae]] Templates used on this page: Template:Diapensiaceae (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 Diapensia.