View source for Roldana

{{Treatment/ID
|accepted_name=Roldana
|accepted_authority=La Llave in P. de La Llave and J. M. de Lexarza
|publications={{Treatment/Publication
|title=in P. de La Llave and J. M. de Lexarza, Nov. Veg. Descr.
|place=2: 10. 1825
|year=1825
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Roldana
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Senecioneae]]</div><div class="higher-taxon"><small>genus</small>[[Roldana]]</div></div>
|etymology=For Eugenio Montaña y Roldan Otumbensi, who evidently was heroic in a battle on the plains of Apam
|volume=Volume 20
|mention_page=page 542
|treatment_page=page 620
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole-organism atypical some measurement;whole-organism atypical some measurement;whole-organism some measurement;whole-organism duration;whole_organism atypical some measurement;whole_organism atypical some measurement;whole_organism some measurement;whole_organism growth form"><b>Perennials </b>or subshrubs [shrubs, or trees], [20–] 60–100 (–300) [–800] cm (caudices woody, fibrous-rooted, often woolly).</span> <span class="statement" id="st-d0_s1" data-properties="stem quantity;stem arrangement or growth form;stem orientation"><b>Stems </b>single or clustered, erect (glabrous or arachnose and glabrescent [tomentose to lanate]).</span> <span class="statement" id="st-d0_s2" data-properties="leaf position"><b>Leaves </b>mostly cauline (at flowering);</span> <span class="statement" id="st-d0_s3" data-properties="">alternate;</span> <span class="statement" id="st-d0_s4" data-properties="leaf arrangement;leaf architecture">petiolate;</span> <span class="statement" id="st-d0_s5" data-properties="blade architecture;blade shape;blade shape;ultimate margin shape;abaxial face pubescence;abaxial face pubescence;abaxial face pubescence;adaxial face pubescence;adaxial face pubescence">blades pinnati-palmately [pinnately or palmately] nerved, suborbiculate (proximal) to ovate or oblong (distal) [deltate, elliptic, lanceolate, orbiculate, or ovate], sinuately to angularly lobed (± polygonal) [palmately, pinnately, or not lobed], ultimate margins serrate to denticulate (lobes and denticles apiculate) or entire, abaxial faces glabrous or arachnose [tomentose to lanate] and glabrate, adaxial glabrous or glabrate [tomentose to lanate].</span> <span class="statement" id="st-d0_s6" data-properties="head architecture or arrangement;array architecture;array architecture"><b>Heads </b>radiate [disciform or discoid], in corymbiform or paniculiform arrays (peduncles usually arachnose).</span> <span class="statement" id="st-d0_s7" data-properties="calyculus presence;calyculus quantity;bractlet atypical quantity;bractlet quantity"><b>Calyculi </b>0 or of 1–3 (–5) [–13+] (linear [filiform to foliaceous]) bractlets.</span> <span class="statement" id="st-d0_s8" data-properties="involucre shape;involucre diameter;involucre diameter"><b>Involucres </b>campanulate [hemispheric to cylindric or funnelform], 3–5 [–20+] mm diam.</span> <span class="statement" id="st-d0_s9" data-properties="phyllarie duration;phyllarie atypical quantity;phyllarie quantity;phyllarie orientation;phyllarie fusion;phyllarie shape;phyllarie shape;phyllarie variability;series quantity;margin texture"><b>Phyllaries </b>persistent, (5–) 8–13+ in 2 series, erect, distinct, lanceolate or lance-linear to linear (± navicular), equal, margins ± scarious.</span> <span class="statement" id="st-d0_s10" data-properties="receptacle prominence or shape;receptacle relief;receptacle architecture"><b>Receptacles </b>flat, alveolate (margins of sockets raggedly toothed), epaleate.</span> <span class="statement" id="st-d0_s11" data-properties="ray-floret quantity;ray-floret architecture;ray-floret reproduction"><b>Ray-</b>florets [0 or 3–] 5–8, pistillate, fertile;</span> <span class="statement" id="st-d0_s12" data-properties="corolla coloration;corolla coloration">corollas yellow or yellow-orange [whitish or ochroleucous] (laminae usually oblong to elliptic).</span> <span class="statement" id="st-d0_s13" data-properties="disc-floret atypical quantity;disc-floret quantity;disc-floret reproduction;disc-floret reproduction"><b>Disc-</b>florets 6–30 [–100+], bisexual, fertile;</span> <span class="statement" id="st-d0_s14" data-properties="corolla coloration;corolla coloration;lobe quantity;lobe orientation;lobe shape">corollas yellow or yellow-orange [whitish or ochroleucous], tubes shorter to longer than funnelform to campanulate throats, lobes 5, recurved, deltate to lanceovate;</span> <span class="statement" id="st-d0_s15" data-properties="stigmatic area architecture;apex shape">style-branches: stigmatic areas continuous, apices rounded-truncate.</span> <span class="statement" id="st-d0_s16" data-properties="cypsela shape;cypsela architecture or shape;cypsela pubescence"><b>Cypselae </b>± columnar, [5-ribbed or] 10-ribbed, puberulent (between ribs) [glabrous];</span> <span class="statement" id="st-d0_s17" data-properties="bristle quantity;bristle coloration;bristle architecture;series quantity">pappi persistent (fragile), of 40–80+, white, barbellulate bristles in 1 series.</span> <span class="statement" id="st-d0_s18" data-properties="pappus duration;x chromosome quantity">x = 30.</span><!--

-->{{Treatment/Body
|distribution=sw United States;Mexico;Central America
|discussion=<p>Species ca. 50 (1 in the flora).</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Roldana
|author=A. Michele Funston
|authority=La Llave in P. de La Llave and J. M. de Lexarza
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Asteraceae
|distribution=sw United States;Mexico;Central America
|reference=None
|publication title=in P. de La Llave and J. M. de Lexarza, Nov. Veg. Descr.
|publication year=1825
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V20_1391.xml
|tribe=Asteraceae tribe Senecioneae
|genus=Roldana
|abaxial face pubescence=glabrate;arachnose;glabrous
|adaxial face pubescence=glabrate;glabrous
|apex shape=rounded-truncate
|array architecture=paniculiform;corymbiform
|blade architecture=nerved
|blade shape=suborbiculate;ovate or oblong
|bractlet atypical quantity=3;5
|bractlet quantity=1;3
|bristle architecture=barbellulate
|bristle coloration=white
|bristle quantity=40;80
|calyculus presence=absent
|calyculus quantity=of 1-3(-5)[-13+] bractlets
|corolla coloration=yellow-orange;yellow;yellow-orange;yellow
|cypsela architecture or shape=10-ribbed
|cypsela pubescence=puberulent
|cypsela shape=columnar
|disc-floret atypical quantity=30;100
|disc-floret quantity=6;30
|disc-floret reproduction=fertile;bisexual
|head architecture or arrangement=radiate
|involucre diameter=3mm;5mm
|involucre shape=campanulate
|leaf architecture=petiolate
|leaf arrangement=alternate
|leaf position=cauline
|lobe orientation=recurved
|lobe quantity=5
|lobe shape=deltate;lanceovate
|margin texture=scarious
|pappus duration=persistent
|phyllarie atypical quantity=5;8
|phyllarie duration=persistent
|phyllarie fusion=distinct
|phyllarie orientation=erect
|phyllarie quantity=8;13
|phyllarie shape=lance-linear to linear;lanceolate
|phyllarie variability=equal
|ray-floret architecture=pistillate
|ray-floret quantity=5;8
|ray-floret reproduction=fertile
|receptacle architecture=epaleate
|receptacle prominence or shape=flat
|receptacle relief=alveolate
|series quantity=1;2
|stem arrangement or growth form=clustered
|stem orientation=erect
|stem quantity=single
|stigmatic area architecture=continuous
|ultimate margin shape=serrate;denticulate or entire
|whole-organism atypical some measurement=100cm;300cm
|whole-organism duration=perennial
|whole-organism some measurement=60cm;100cm
|whole_organism atypical some measurement=100cm;300cm
|whole_organism growth form=subshrub
|whole_organism some measurement=60cm;100cm
|x chromosome quantity=30
}}<!--

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