View source for Picradeniopsis

{{Treatment/ID
|accepted_name=Picradeniopsis
|accepted_authority=Rydberg ex Britton
|publications={{Treatment/Publication
|title=Man. Fl. N. States,
|place=1008. 1901
|year=1901
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Chaenactidinae;Picradeniopsis
|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>[[Picradeniopsis]]</div></div>
|etymology=Generic name Picradenia and Greek - opsis, resembling
|volume=Volume 21
|mention_page=page 364, 365, 383, 385
|treatment_page=page 384
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole-organism some measurement;whole-organism duration"><b>Perennials,</b> 3–20+ cm (± rhizomatous, sometimes forming colonies).</span> <span class="statement" id="st-d0_s1" data-properties="stem orientation;stem orientation;stem architecture"><b>Stems </b>± erect or spreading, branched ± throughout.</span> <span class="statement" id="st-d0_s2" data-properties=""><b>Leaves </b>cauline;</span> <span class="statement" id="st-d0_s3" data-properties="">all or mostly opposite;</span> <span class="statement" id="st-d0_s4" data-properties="leaf position;leaf arrangement;leaf architecture;leaf architecture">petiolate or sessile;</span> <span class="statement" id="st-d0_s5" data-properties="blade shape;ultimate margin architecture or shape;face relief">blades mostly ternately lobed (blades or lobes lanceolate to lance-linear), ultimate margins entire, faces sparsely to densely scabrellous (hairs white, straight, conic or fusiform, 0.1–0.4 mm) and glanddotted.</span> <span class="statement" id="st-d0_s6" data-properties="head architecture or arrangement;head arrangement;head atypical quantity;array architecture or fragility;array architecture"><b>Heads </b>radiate, borne singly or (3–6) in loose, corymbiform arrays.</span> <span class="statement" id="st-d0_s7" data-properties="involucre shape;involucre diameter"><b>Involucres </b>turbinate or obconic to ± hemispheric, 5–6+ mm diam.</span> <span class="statement" id="st-d0_s8" data-properties="phyllary duration;phyllary quantity;series quantity"><b>Phyllaries </b>persistent, 6–10 in 1–2 series (reflexed in fruit, distinct, oblanceolate, subequal, herbaceous, margins membranous, not purplish).</span> <span class="statement" id="st-d0_s9" data-properties="receptacle shape;receptacle relief;receptacle architecture"><b>Receptacles </b>± convex, ± pitted, epaleate.</span> <span class="statement" id="st-d0_s10" data-properties="ray-floret quantity;ray-floret architecture;ray-floret reproduction"><b>Ray-</b>florets 3–8, pistillate, fertile;</span> <span class="statement" id="st-d0_s11" data-properties="corolla coloration;corolla coloration">corollas usually yellow, sometimes ochroleucous.</span> <span class="statement" id="st-d0_s12" data-properties="disc-floret quantity;disc-floret reproduction;disc-floret reproduction"><b>Disc-</b>florets 20–40+, bisexual, fertile;</span> <span class="statement" id="st-d0_s13" data-properties="corolla coloration;tube variability;throat shape;lobe quantity;lobe shape">corollas yellow to orange (glanddotted), tubes about equaling funnelform to campanulate throats, lobes 5, deltate to lance-deltate.</span> <span class="statement" id="st-d0_s14" data-properties="cypsela shape;cypsela shape;cypsela architecture;cypsela pubescence"><b>Cypselae </b>narrowly obpyramidal, 4-angled, finely nerved, shaggily hairy (at least at bases) and/or glanddotted;</span> <span class="statement" id="st-d0_s15" data-properties="scale quantity;scale shape;series quantity">pappi persistent, of 8–10 (distinct) ovate or elliptic to lanceolate or linear-subulate (basally and/or medially thickened, distally and/or laterally scarious) scales in 1 series (weakly, if at all, aristate).</span> <span class="statement" id="st-d0_s16" data-properties="pappus duration;x chromosome quantity">x = 12.</span><!--

-->{{Treatment/Body
|distribution=c;w United States
|discussion=<p>Species 2 (2 in the flora).</p><!--
--><p>According to T. F. Stuessy et al. (1973), among others, Picradeniopsis is closely allied to Bahia. Indeed, the species are often treated as members of Bahia. Where they occur together, the two species of Picradeniopsis may produce more or less sterile hybrids.</p>
|tables=
|references={{Treatment/Reference
|id=stuessy1973b
|text=Stuessy, T. F., R. S. Irving, and W. L. Ellison. 1973. Hybridization and evolution in Picradeniopsis (Compositae). Brittonia 25: 40–56.
}}
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Cypselae usually gland-dotted, seldom hirsutulous; scales of pappi usually ovate or elliptic to obovate, sometimes lanceolate
|[[Picradeniopsis oppositifolia|Picradeniopsis oppositifolia]]
|-id=key-0-1
|1
|Cypselae seldom gland-dotted, usually hirsutulous; scales of pappi usually lanceolate to linear-subulate
|[[Picradeniopsis woodhousei|Picradeniopsis woodhousei]]
|}
</div></div><!--

-->{{#Taxon:
name=Picradeniopsis
|author=John L. Strother
|authority=Rydberg ex Britton
|rank=genus
|parent rank=subtribe
|synonyms=
|basionyms=
|family=Asteraceae
|illustrator=Barbara Alongi
|illustration copyright=Flora of North America Association
|distribution=c;w United States
|reference=stuessy1973b
|publication title=Man. Fl. N. States,
|publication year=1901
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V21_967.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae
|genus=Picradeniopsis
|array architecture=corymbiform
|array architecture or fragility=loose
|blade shape=lobed
|corolla coloration=yellow;orange
|cypsela architecture=nerved
|cypsela pubescence=hairy
|cypsela shape=4-angled;obpyramidal
|disc-floret quantity=20;40
|disc-floret reproduction=fertile;bisexual
|face relief=scabrellous
|head architecture or arrangement=radiate
|head arrangement=singly
|head atypical quantity=3;6
|involucre diameter=5mm;6mm
|involucre shape=obconic;more or less hemispheric
|leaf architecture=sessile;petiolate
|leaf arrangement=opposite
|leaf position=cauline
|lobe quantity=5
|lobe shape=deltate;lance-deltate
|pappus duration=persistent
|phyllary duration=persistent
|phyllary quantity=6;10
|ray-floret architecture=pistillate
|ray-floret quantity=3;8
|ray-floret reproduction=fertile
|receptacle architecture=epaleate
|receptacle relief=pitted
|receptacle shape=convex
|scale quantity=8;10
|scale shape=elliptic;lanceolate or linear-subulate
|series quantity=1;1;2
|stem architecture=branched
|stem orientation=spreading;erect
|throat shape=campanulate
|tube variability=equaling
|ultimate margin architecture or shape=entire
|whole-organism duration=perennial
|whole-organism some measurement=3cm;20cm
|x chromosome quantity=12
}}<!--

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