View source for Mucronea ← Mucronea 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=Mucronea |accepted_authority=Bentham |publications={{Treatment/Publication |title=Trans. Linn. Soc. London |place=17: 405, 419, plate 20. 1836 |year=1836 }} |common_names=California spineflower |basionyms= |synonyms={{Treatment/ID/Synonym |name=Chorizanthe sect. Mucronea |authority=(Bentham) A. Gray |rank=section }} |hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Mucronea |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Polygonaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Polygonaceae subfam. Eriogonoideae]]</div><div class="higher-taxon"><small>genus</small>[[Mucronea]]</div></div> |etymology=Latin mucronis, sharp point, alluding to awns of bracts and involucres |volume=Volume 5 |mention_page=page 219, 220, 446 |treatment_page=page 470 }}<!-- --><span class="statement" id="st-d0_s0" data-properties="whole_organism duration;whole_organism growth form"><b>Herbs,</b> annual;</span> <span class="statement" id="st-d0_s1" data-properties="taproot size">taproot slender.</span> <span class="statement" id="st-d0_s2" data-properties="stem orientation;stem orientation;stem architecture;stem shape;stem architecture;stem pubescence;segment shape"><b>Stems </b>arising directly from the root, erect to spreading, solid, not fistulose or disarticulating into ringlike segments, sparsely glandular-pubescent.</span> <span class="statement" id="st-d0_s3" data-properties="leaf duration;basal leaf arrangement"><b>Leaves </b>usually quickly deciduous, basal, rosulate;</span> <span class="statement" id="st-d0_s4" data-properties="petiole presence">petiole absent;</span> <span class="statement" id="st-d0_s5" data-properties="blade shape;margin architecture or shape">blade spatulate to obovate, margins entire.</span> <span class="statement" id="st-d0_s6" data-properties="inflorescence position or structure subtype;inflorescence architecture;inflorescence architecture"><b>Inflorescences </b>terminal, cymose, uniparous due to suppression of secondaries;</span> <span class="statement" id="st-d0_s7" data-properties="branch architecture;branch fragility;branch architecture;branch shape;branch pubescence">branches dichotomous, not brittle or disarticulating into segments, round, sparsely glandular-pubescent;</span> <span class="statement" id="st-d0_s8" data-properties="node bract atypical quantity;node bract quantity;node bract fusion;node bract shape;node bract architecture or shape;node bract pubescence;node position relational;node position relational">bracts 3 (–5), positioned to side of node or perfoliate and completely but unequally surrounding node, connate nearly completely, triangular to ovate or oblong, awned, sparsely glandular-pubescent.</span> <span class="statement" id="st-d0_s9" data-properties="peduncle presence"><b>Peduncles </b>absent.</span> <span class="statement" id="st-d0_s10" data-properties="involucre quantity;involucre shape;involucre shape;involucre shape;involucre shape"><b>Involucres </b>1–3 per node, tubular, cylindric, (2–) 3–4-angled, slightly ventricose on the angles in some;</span> <span class="statement" id="st-d0_s11" data-properties="tooth atypical quantity;tooth quantity;tooth architecture">teeth (2–) 3–4, awn-tipped.</span> <span class="statement" id="st-d0_s12" data-properties="flower atypical quantity;flower quantity"><b>Flowers </b>1 (–2) per involucre;</span> <span class="statement" id="st-d0_s13" data-properties="perianth coloration;perianth shape;perianth shape;perianth pubescence">perianth white to pink, campanulate when open, cylindric when closed, pubescent abaxially;</span> <span class="statement" id="st-d0_s14" data-properties="tepal quantity;tepal fusion;tepal length;tepal architecture;tepal architecture;tepal architecture;tepal shape">tepals 6, connate ca. 1/3 their length, monomorphic, entire or erose to fimbriate apically;</span> <span class="statement" id="st-d0_s15" data-properties="stamen quantity">stamens 6–9;</span> <span class="statement" id="st-d0_s16" data-properties="filament fusion;filament pubescence">filaments free, glabrous;</span> <span class="statement" id="st-d0_s17" data-properties="anther coloration;anther shape">anthers pink to red, oblong.</span> <span class="statement" id="st-d0_s18" data-properties="achene position;achene coloration;achene architecture;achene shape;achene pubescence"><b>Achenes </b>mostly included, brown to black, not winged, globose-lenticular, glabrous.</span> <span class="statement" id="st-d0_s19" data-properties=""><b>Seeds:</b> embryo straight.</span> <span class="statement" id="st-d0_s20" data-properties="embryo course;x chromosome quantity">x = 19.</span><!-- -->{{Treatment/Body |distribution=Calif. |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 |Inflorescence bracts positioned to side of node, involucres 1-3 per node, 2.5-5(-7) mm,bracts (2-)3(-4), awns (0.5-)1-2.5 (3) mm; flowers 1-2; tepals entire apically |[[Mucronea californica|Mucronea californica]] |-id=key-0-1 |1 |Inflorescence bracts perfoliate; involucres 1 per node, 3-5(-6) mm, bracts 4, awns (0.3-)0.5-1.2 mm; flowers 1; tepals entire to fimbriate apically |[[Mucronea perfoliata|Mucronea perfoliata]] |} </div></div><!-- -->{{#Taxon: name=Mucronea |author=James L. Reveal |authority=Bentham |rank=genus |parent rank=subfamily |synonyms=Chorizanthe sect. Mucronea |basionyms= |family=Polygonaceae |distribution=Calif. |reference=None |publication title=Trans. Linn. Soc. London |publication year=1836 |special status= |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V5/V5_988.xml |subfamily=Polygonaceae subfam. Eriogonoideae |genus=Mucronea |achene architecture=not winged |achene coloration=brown;black |achene position=included |achene pubescence=glabrous |achene shape=globose-lenticular |anther coloration=pink;red |anther shape=oblong |basal leaf arrangement=rosulate |blade shape=spatulate;obovate |branch architecture=disarticulating;dichotomous |branch fragility=not brittle |branch pubescence=glandular-pubescent |branch shape=round |embryo course=straight |filament fusion=free |filament pubescence=glabrous |flower atypical quantity=1;2 |flower quantity=1 |inflorescence architecture=uniparous;cymose |inflorescence position or structure subtype=terminal |involucre quantity=1;3 |involucre shape=ventricose;(2-)3-4-angled;cylindric;tubular |leaf duration=deciduous |margin architecture or shape=entire |node bract architecture or shape=awned |node bract atypical quantity=3;5 |node bract fusion=connate |node bract pubescence=glandular-pubescent |node bract quantity=3 |node bract shape=triangular;ovate or oblong |node position relational=surrounding;surrounding |peduncle presence=absent |perianth coloration=white;pink |perianth pubescence=pubescent |perianth shape=cylindric;campanulate |petiole presence=absent |segment shape=ringlike |stamen quantity=6;9 |stem architecture=disarticulating;solid |stem orientation=erect;spreading |stem pubescence=glandular-pubescent |stem shape=not fistulose |taproot size=slender |tepal architecture=erose;entire;monomorphic |tepal fusion=connate |tepal length=1/3 |tepal quantity=6 |tepal shape=fimbriate |tooth architecture=awn-tipped |tooth atypical quantity=2;3 |tooth quantity=3;4 |whole_organism duration=annual |whole_organism growth form=herb |x chromosome quantity=19 }}<!-- -->[[Category:Treatment]][[Category:Polygonaceae subfam. 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