View source for Syntrichopappus

{{Treatment/ID
|accepted_name=Syntrichopappus
|accepted_authority=A. Gray in War Department [U.S.]
|publications={{Treatment/Publication
|title=in War Department [U.S.], Pacif. Railr. Rep.
|place=4(5): 106, plate 15. 1857 ·
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Chaenactidinae;Syntrichopappus
|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 Chaenactidinae]]</div><div class="higher-taxon"><small>genus</small>[[Syntrichopappus]]</div></div>
|etymology=Fremont’s-gold [Greek syn, united, trichos, hair, and pappos, pappus
|volume=Volume 21
|mention_page=page 352, 353, 363, 364, 365
|treatment_page=page 379
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole-organism some measurement;whole-organism duration"><b>Annuals,</b> 1–10 cm.</span> <span class="statement" id="st-d0_s1" data-properties="stem orientation;stem orientation;stem architecture"><b>Stems </b>decumbent or erect, branched from bases or throughout.</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="">mostly alternate (proximal opposite);</span> <span class="statement" id="st-d0_s4" data-properties="leaf arrangement;leaf architecture;leaf architecture">petiolate or sessile;</span> <span class="statement" id="st-d0_s5" data-properties="blade arrangement or course or shape;margin shape;margin shape;margin shape;face pubescence">blades either linear and margins entire, or narrowly cuneate to spatulate and margins usually distally 3-lobed, faces sparsely tomentose to moderately woolly or glabrescent.</span> <span class="statement" id="st-d0_s6" data-properties="head architecture or arrangement;head arrangement;head arrangement;array architecture or fragility;array architecture"><b>Heads </b>radiate, borne singly or in loose, corymbiform arrays.</span> <span class="statement" id="st-d0_s7" data-properties="involucre shape;involucre diameter"><b>Involucres </b>subcylindric, 2–5+ mm diam.</span> <span class="statement" id="st-d0_s8" data-properties="phyllary duration;phyllary quantity;series quantity"><b>Phyllaries </b>persistent, 5–8 in 1 series (spreading, not reflexed in fruit, distinct, oblanceolate, subequal, alternate ones scarious-margined, apices acute).</span> <span class="statement" id="st-d0_s9" data-properties="receptacle shape;receptacle shape;receptacle architecture or pubescence or relief;receptacle architecture"><b>Receptacles </b>convex, ± knobby or smooth, epaleate.</span> <span class="statement" id="st-d0_s10" data-properties="ray-floret quantity;ray-floret architecture;ray-floret reproduction"><b>Ray-</b>florets 5–8, pistillate, fertile;</span> <span class="statement" id="st-d0_s11" data-properties="corolla coloration;corolla coloration;corolla coloration;corolla coloration;corolla coloration;corolla coloration;vein coloration">corollas either yellow, or white or pinkish with reddish veins.</span> <span class="statement" id="st-d0_s12" data-properties="disc-floret quantity;disc-floret reproduction;disc-floret reproduction"><b>Disc-</b>florets 10–20+, bisexual, fertile;</span> <span class="statement" id="st-d0_s13" data-properties="corolla coloration;tube height or length or size;lobe quantity;lobe shape">corollas yellow, tubes shorter than narrowly funnelform throats, lobes 5, ovate-deltate (glabrous; anther appendages narrowly deltate, not glandular; style appendages narrowly triangular).</span> <span class="statement" id="st-d0_s14" data-properties="cypsela shape;cypsela shape;cypsela shape;cypsela shape;cypsela shape;cypsela pubescence"><b>Cypselae </b>narrowly obconic, clavate, or fusiform, glabrous or sparsely to densely hispidulous;</span> <span class="statement" id="st-d0_s15" data-properties="pappus presence;pappus fragility;pappus quantity;pappus fusion;pappus fusion">pappi 0, or ± fragile (falling in whole or fragmented rings), of 20–40 basally connate or coherent, ± barbellate bristles or subulate scales.</span> <span class="statement" id="st-d0_s16" data-properties="bristle architecture;scale architecture;scale shape;x chromosome quantity">x = 7.</span><!--

-->{{Treatment/Body
|distribution=w United States;nw Mexico
|discussion=<p>Species 2 (2 in the flora).</p><!--
--><p>B. G. Baldwin and B. L. Wessa (2000) found that Syntrichopappus lemmonii nests within a clade of Eriophyllum and Pseudobahia species; circumscriptions of these genera are likely to change.</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Ray laminae yellow
|[[Syntrichopappus fremontii|Syntrichopappus fremontii]]
|-id=key-0-1
|1
|Ray laminae white or pinkish with reddish veins
|[[Syntrichopappus lemmonii|Syntrichopappus lemmonii]]
|}
</div></div><!--

-->{{#Taxon:
name=Syntrichopappus
|author=Dale E. Johnson
|authority=A. Gray in War Department [U.S.]
|rank=genus
|parent rank=subtribe
|synonyms=
|basionyms=
|family=Asteraceae
|distribution=w United States;nw Mexico
|reference=None
|publication title=in War Department [U.S.], Pacif. Railr. Rep.
|publication year=
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V21_954.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae
|genus=Syntrichopappus
|array architecture=corymbiform
|array architecture or fragility=loose
|blade arrangement or course or shape=linear
|bristle architecture=barbellate
|corolla coloration=yellow;pinkish;white;yellow;pinkish;white;yellow
|cypsela pubescence=glabrous or;sparsely densely hispidulous
|cypsela shape=fusiform;clavate;fusiform;clavate;obconic
|disc-floret quantity=10;20
|disc-floret reproduction=fertile;bisexual
|face pubescence=sparsely tomentose;moderately woolly or glabrescent
|head architecture or arrangement=radiate
|head arrangement=in loose , corymbiform arrays;singly
|involucre diameter=2mm;5mm
|involucre shape=subcylindric
|leaf architecture=sessile;petiolate
|leaf arrangement=alternate
|leaf position=cauline
|lobe quantity=5
|lobe shape=ovate-deltate
|margin shape=3-lobed;narrowly cuneate;spatulate
|pappus fragility=fragile
|pappus fusion=coherent;connate
|pappus presence=absent
|pappus quantity=20;40
|phyllary duration=persistent
|phyllary quantity=5;8
|ray-floret architecture=pistillate
|ray-floret quantity=5;8
|ray-floret reproduction=fertile
|receptacle architecture=epaleate
|receptacle architecture or pubescence or relief=smooth
|receptacle shape=knobby;convex
|scale architecture=barbellate
|scale shape=subulate
|series quantity=1
|stem architecture=branched
|stem orientation=erect;decumbent
|tube height or length or size=shorter
|vein coloration=reddish
|whole-organism duration=annual
|whole-organism some measurement=1cm;10cm
|x chromosome quantity=7
}}<!--

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