View source for Cevallia ← Cevallia 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=Cevallia |accepted_authority=Lagasca |publications={{Treatment/Publication |title=Varied. Ci. |place=2(4): 35. 1805 |year=1805 }} |common_names=Stingleaf or stinging serpent |basionyms= |synonyms= |hierarchy=Loasaceae;Cevallia |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Loasaceae]]</div><div class="higher-taxon"><small>genus</small>[[Cevallia]]</div></div> |etymology=For Pedro Cevallos, 1760–1840, Spanish statesman and diplomat |volume=Volume 12 |mention_page=page 493, 544 |treatment_page=page 492 }}<!-- --><span class="statement" id="st-d0_s0" data-properties="whole_organism duration;whole_organism growth form;whole_organism duration;whole_organism growth form"><b>Herbs </b>or subshrubs, perennial;</span> <span class="statement" id="st-d0_s1" data-properties="trichome atypical quantity;trichome shape;trichome shape;trichome shape;trichome shape;trichome shape;trichome atypical quantity;trichome architecture or shape;trichome architecture;trichome atypical quantity;trichome toxicity;surface architecture or pubescence or relief;apex atypical quantity">trichomes (1) pointed with surfaces ± smooth, knobby, or notched, (2) retrorsely barbed along shaft and at apex, (3) dendritic, and (4) stinging.</span> <span class="statement" id="st-d0_s2" data-properties="stem orientation;stem growth form or orientation"><b>Stems </b>erect, sometimes becoming decumbent.</span> <span class="statement" id="st-d0_s3" data-properties="leaf position"><b>Leaves </b>cauline;</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;margin architecture or shape">blade ovate-elliptic, lobed, margins entire.</span> <span class="statement" id="st-d0_s6" data-properties="thyrse shape"><b>Inflorescences </b>headlike thyrses;</span> <span class="statement" id="st-d0_s7" data-properties="peduncle some measurement">peduncle to 1 dm.</span> <span class="statement" id="st-d0_s8" data-properties="pedicel length"><b>Pedicels </b>not elongating in fruit.</span> <span class="statement" id="st-d0_s9" data-properties="hypanthium fusion;hypanthium fusion"><b>Flowers:</b> hypanthium adnate to ovary proximally, free distally;</span> <span class="statement" id="st-d0_s10" data-properties="">perianth whorls similar;</span> <span class="statement" id="st-d0_s11" data-properties="sepal coloration;sepal coloration;sepal fusion;sepal shape;sepal length or size">sepals white to yellowish abaxially, yellow adaxially, distinct, linear-lanceolate, longer than petals;</span> <span class="statement" id="st-d0_s12" data-properties="petal coloration;petal coloration;petal fusion;petal shape;petal orientation;surface pubescence">petals white to yellowish abaxially, yellow adaxially, distinct, linear-lanceolate, spreading, both surfaces densely hairy;</span> <span class="statement" id="st-d0_s13" data-properties="nectary presence">nectary absent;</span> <span class="statement" id="st-d0_s14" data-properties="stamen quantity;stamen position">stamens 5, included;</span> <span class="statement" id="st-d0_s15" data-properties="all architecture;all shape;all arrangement or course or shape;all height or length or size">filaments monomorphic, dorsiventrally flattened, linear, shorter than anthers;</span> <span class="statement" id="st-d0_s16" data-properties="">anthers with distal connective extension;</span> <span class="statement" id="st-d0_s17" data-properties="staminode presence">staminodes absent;</span> <span class="statement" id="st-d0_s18" data-properties="pistil architecture;placenta position">pistil pseudomonomerous, placenta subapical;</span> <span class="statement" id="st-d0_s19" data-properties="stigma shape;stigma shape;stigma pubescence">stigma ovoid, 3–5-lobed, densely hairy.</span> <span class="statement" id="st-d0_s20" data-properties="fruits cypsela shape;fruits cypsela course"><b>Fruits </b>cypselae, urceolate-ovoid, straight;</span> <span class="statement" id="st-d0_s21" data-properties="sepal duration;petal duration">sepals and petals persistent.</span> <span class="statement" id="st-d0_s22" data-properties=""><b>Seeds </b>1, ovoid.</span> <span class="statement" id="st-d0_s23" data-properties="seed quantity;seed shape;x chromosome quantity">x = 7.</span><!-- -->{{Treatment/Body |distribution=sw United States;n Mexico |discussion=<p>Species 1.</p><!-- --><p>In subfam. Gronovioideae, Cevallia is sister to a clade consisting of Fuertesia and Gronovia.</p><!-- --><p>The distinctive stamens, which have inflated, tonguelike extensions beyond the pollen sacs, are unique in the family.</p> |tables= |references= }}<!-- --><!-- -->{{#Taxon: name=Cevallia |author=Larry Hufford |authority=Lagasca |rank=genus |parent rank=family |synonyms= |basionyms= |family=Loasaceae |distribution=sw United States;n Mexico |reference=None |publication title=Varied. Ci. |publication year=1805 |special status= |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V12/V12_188.xml |genus=Cevallia |all architecture=monomorphic |all arrangement or course or shape=linear |all height or length or size=shorter |all shape=flattened |apex atypical quantity=3 |blade shape=lobed;ovate-elliptic |fruits cypsela course=straight |fruits cypsela shape=urceolate-ovoid |hypanthium fusion=free;adnate |leaf position=cauline |margin architecture or shape=entire |nectary presence=absent |pedicel length=not elongating |peduncle some measurement=0dm;1dm |petal coloration=yellow;white;yellowish abaxially |petal duration=persistent |petal fusion=distinct |petal orientation=spreading |petal shape=linear-lanceolate |petiole presence=absent;absent |pistil architecture=pseudomonomerous |placenta position=subapical |seed quantity=1 |seed shape=ovoid |sepal coloration=yellow;white;yellowish abaxially |sepal duration=persistent |sepal fusion=distinct |sepal length or size=longer |sepal shape=linear-lanceolate |stamen position=included |stamen quantity=5 |staminode presence=absent |stem growth form or orientation=decumbent |stem orientation=erect |stigma pubescence=hairy |stigma shape=3-5-lobed;ovoid |surface architecture or pubescence or relief=smooth |surface pubescence=hairy |thyrse shape=headlike |trichome architecture=dendritic |trichome architecture or shape=barbed |trichome atypical quantity=4;2;1 |trichome shape=notched;knobby;notched;knobby;pointed |trichome toxicity=stinging |whole_organism duration=perennial;perennial |whole_organism growth form=subshrub;herb |x chromosome quantity=7 }}<!-- -->[[Category:Treatment]][[Category:Loasaceae]] Templates used on this page: Template:Loasaceae (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 Cevallia.