View source for Guizotia

{{Treatment/ID
|accepted_name=Guizotia
|accepted_authority=Cassini in F. Cuvier
|publications={{Treatment/Publication
|title=in F. Cuvier, Dict. Sci. Nat. ed.
|place=2, 59: 237, 247, 248. 1829
|year=1829
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Milleriinae;Guizotia
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Heliantheae]]</div><div class="higher-taxon"><small>subtribe</small>[[Asteraceae (tribe Heliantheae) subtribe Milleriinae]]</div><div class="higher-taxon"><small>genus</small>[[Guizotia]]</div></div>
|etymology=For Pierre Guizot, 1787–1874, French historian, politician
|volume=Volume 21
|mention_page=page 6, 41
|treatment_page=page 40
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole-organism atypical some measurement;whole-organism some measurement;whole-organism duration"><b>Annuals </b>[perennials, subshrubs, or shrubs], [3–] 20–200 cm.</span> <span class="statement" id="st-d0_s1" data-properties="stem orientation;stem architecture"><b>Stems </b>erect [creeping], branched.</span> <span class="statement" id="st-d0_s2" data-properties="leaf position"><b>Leaves </b>mostly cauline;</span> <span class="statement" id="st-d0_s3" data-properties="">opposite (distal sometimes alternate);</span> <span class="statement" id="st-d0_s4" data-properties="leaf arrangement;leaf architecture">sessile;</span> <span class="statement" id="st-d0_s5" data-properties="blade shape;margin architecture or shape;margin architecture or shape;face pubescence">blades rhombic to lanceolate or oblanceolate [spatulate], margins entire or serrate, faces glabrous or puberulent to pilose, glanddotted (at least abaxial).</span> <span class="statement" id="st-d0_s6" data-properties="head architecture or arrangement;array architecture"><b>Heads </b>radiate, in corymbiform arrays [borne singly].</span> <span class="statement" id="st-d0_s7" data-properties="involucre shape;involucre diameter;involucre diameter;involucre diameter"><b>Involucres </b>campanulate [hemispheric], [8–] 10–15 [–20] mm diam.</span> <span class="statement" id="st-d0_s8" data-properties="phyllary duration;phyllary quantity;series quantity"><b>Phyllaries </b>persistent, 10–13 in 2 series (distinct, outer 5–6+ oblong, herbaceous, inner narrower, more scarious).</span> <span class="statement" id="st-d0_s9" data-properties="receptacle shape;receptacle architecture"><b>Receptacles </b>conic to hemispheric, paleate (paleae oblong to lanceolate, plane [cucullate], membranous to scarious).</span> <span class="statement" id="st-d0_s10" data-properties="ray-floret quantity;ray-floret architecture;ray-floret reproduction"><b>Ray-</b>florets 6–18, pistillate, fertile;</span> <span class="statement" id="st-d0_s11" data-properties="corolla coloration">corollas yellow (hairy at bases of tubes).</span> <span class="statement" id="st-d0_s12" data-properties="disc-floret quantity;disc-floret reproduction;disc-floret reproduction"><b>Disc-</b>florets 100+, bisexual, fertile;</span> <span class="statement" id="st-d0_s13" data-properties="corolla coloration;tube shape;tube height or length or size;throat shape;lobe quantity;lobe shape">corollas yellow, tubes cylindric (hairy), shorter than campanulate throats, lobes 5, deltate.</span> <span class="statement" id="st-d0_s14" data-properties="cypsela shape;cypsela shape;cypsela pubescence"><b>Cypselae </b>weakly compressed, 3–4-angled, glabrous (shining);</span> <span class="statement" id="st-d0_s15" data-properties="">pappi 0.</span> <span class="statement" id="st-d0_s16" data-properties="pappus presence;x chromosome quantity">x = 15.</span><!--

-->{{Treatment/Body
|distribution=Africa
|introduced=true
|discussion=<p>Species 6 (1 in the flora).</p><!--
--><p>Taxonomic affinities of Guizotia generally have been acknowledged as obscure; the genus has been placed in Coreopsidinae, Melampodiinae, Milleriinae, and Verbesininae.</p>
|tables=
|references={{Treatment/Reference
|id=baag1974a
|text=Baagøe, J. 1974. The genus Guizotia (Compositae). A taxonomic revision. Bot. Tidsskr. 69: 1–39.
}}
}}<!--

--><!--

-->{{#Taxon:
name=Guizotia
|author=John L. Strother
|authority=Cassini in F. Cuvier
|rank=genus
|parent rank=subtribe
|synonyms=
|basionyms=
|family=Asteraceae
|distribution=Africa
|introduced=true
|reference=baag1974a
|publication title=in F. Cuvier, Dict. Sci. Nat. ed.
|publication year=1829
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V21_80.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Milleriinae
|genus=Guizotia
|array architecture=corymbiform
|blade shape=rhombic;lanceolate or oblanceolate
|corolla coloration=yellow;yellow
|cypsela pubescence=glabrous
|cypsela shape=3-4-angled;compressed
|disc-floret reproduction=fertile;bisexual
|face pubescence=puberulent;pilose
|head architecture or arrangement=radiate
|involucre diameter=10mm;15mm
|involucre shape=campanulate
|leaf architecture=sessile
|leaf arrangement=opposite
|leaf position=cauline
|lobe quantity=5
|lobe shape=deltate
|margin architecture or shape=serrate;entire
|pappus presence=absent
|phyllary duration=persistent
|phyllary quantity=10;13
|ray-floret architecture=pistillate
|ray-floret quantity=6;18
|ray-floret reproduction=fertile
|receptacle architecture=paleate
|receptacle shape=conic;hemispheric
|series quantity=2
|stem architecture=branched
|stem orientation=erect
|throat shape=campanulate
|tube height or length or size=shorter
|tube shape=cylindric
|whole-organism atypical some measurement=3cm;20cm
|whole-organism duration=annual
|whole-organism some measurement=20cm;200cm
|x chromosome quantity=15
}}<!--

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