View source for Yermo

{{Treatment/ID
|accepted_name=Yermo
|accepted_authority=Dorn
|publications={{Treatment/Publication
|title=Madroño
|place=38: 199, fig. 1. 1991
|year=1991
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Yermo
|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>[[Yermo]]</div></div>
|etymology=Spanish, an uninhabited and utterly inhospitable place
|volume=Volume 20
|mention_page=page 543
|treatment_page=page 634
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole-organism some measurement;whole-organism duration"><b>Perennials,</b> 10–30+ cm (taprooted).</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.</span> <span class="statement" id="st-d0_s2" data-properties=""><b>Leaves </b>basal and cauline (smaller distally);</span> <span class="statement" id="st-d0_s3" data-properties="">alternate;</span> <span class="statement" id="st-d0_s4" data-properties="leaf position;leaf position;leaf arrangement;leaf architecture">petiolate;</span> <span class="statement" id="st-d0_s5" data-properties="blade architecture;blade shape;margin shape;margin shape;face pubescence">blades (leathery) palmately 3-nerved (nerves ± parallel), lanceolate to ovate or obovate, margins entire or ± toothed, faces glabrous.</span> <span class="statement" id="st-d0_s6" data-properties="head architecture or shape;head atypical quantity;array architecture"><b>Heads </b>discoid, (25–180) in corymbiform to paniculiform arrays (terminal and in distal leaf-axils).</span> <span class="statement" id="st-d0_s7" data-properties="calyculus presence;bractlet quantity"><b>Calyculi </b>0 or bractlets 1–3+.</span> <span class="statement" id="st-d0_s8" data-properties="involucre shape;involucre diameter"><b>Involucres </b>cylindric, 3–5 mm diam.</span> <span class="statement" id="st-d0_s9" data-properties="phyllarie duration;phyllarie atypical quantity;phyllarie atypical quantity;phyllarie quantity;phyllarie orientation;phyllarie fusion;phyllarie shape;phyllarie variability;series quantity;margin texture"><b>Phyllaries </b>persistent, (4–) 5 (–6) in 1–2 series (bright-yellow, drying pale, with greenish yellow midribs ± keeled in life), erect, distinct, oblanceolate or lanceolate to lance-linear, equal, margins scarious (apices cucullate, faces glabrous).</span> <span class="statement" id="st-d0_s10" data-properties="receptacle prominence or shape;receptacle architecture or pubescence or relief;receptacle architecture"><b>Receptacles </b>flat (sometimes with central cusp), smooth, epaleate.</span> <span class="statement" id="st-d0_s11" data-properties="ray-floret presence"><b>Ray-</b>florets 0.</span> <span class="statement" id="st-d0_s12" data-properties="disc-floret atypical quantity;disc-floret atypical quantity;disc-floret quantity;disc-floret reproduction;disc-floret reproduction"><b>Disc-</b>florets (4–) 5 (–6), bisexual, fertile;</span> <span class="statement" id="st-d0_s13" data-properties="corolla coloration;tube length or size;lobe quantity;lobe orientation;lobe arrangement or course or shape">corollas yellow, tubes longer than throats, lobes 5, spreading, linear;</span> <span class="statement" id="st-d0_s14" data-properties="stigmatic area architecture;apex shape">style-branches: stigmatic areas continuous, apices rounded-truncate (micro-characters tussilaginoid).</span> <span class="statement" id="st-d0_s15" data-properties="cypsela shape;cypsela shape;cypsela architecture or shape;cypsela pubescence"><b>Cypselae </b>(brown) ellipsoid to oblanceoloid, slightly flattened, usually 10-ribbed, often short-hairy;</span> <span class="statement" id="st-d0_s16" data-properties="pappus life cycle;bristle quantity;bristle coloration;bristle architecture">pappi tardily falling, of 70+, whitish, barbellulate bristles.</span><!--

-->{{Treatment/Body
|distribution=Wyo.
|discussion=<p>Species 1.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Yermo
|author=Robert D. Dorn
|authority=Dorn
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Asteraceae
|distribution=Wyo.
|reference=None
|publication title=Madroño
|publication year=1991
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V20_1430.xml
|tribe=Asteraceae tribe Senecioneae
|genus=Yermo
|apex shape=rounded-truncate
|array architecture=corymbiform;paniculiform
|blade architecture=3-nerved
|blade shape=lanceolate;ovate or obovate
|bractlet quantity=1;3
|bristle architecture=barbellulate
|bristle coloration=whitish
|calyculus presence=absent
|corolla coloration=yellow
|cypsela architecture or shape=10-ribbed
|cypsela pubescence=short-hairy
|cypsela shape=flattened;ellipsoid;oblanceoloid
|disc-floret atypical quantity=5;6
|disc-floret quantity=5
|disc-floret reproduction=fertile;bisexual
|face pubescence=glabrous
|head architecture or shape=discoid
|head atypical quantity=25;180
|involucre diameter=3mm;5mm
|involucre shape=cylindric
|leaf architecture=petiolate
|leaf arrangement=alternate
|leaf position=cauline;basal
|lobe arrangement or course or shape=linear
|lobe orientation=spreading
|lobe quantity=5
|margin shape=toothed;entire
|margin texture=scarious
|pappus life cycle=falling
|phyllarie atypical quantity=5;6
|phyllarie duration=persistent
|phyllarie fusion=distinct
|phyllarie orientation=erect
|phyllarie quantity=5
|phyllarie shape=lanceolate;lance-linear
|phyllarie variability=equal
|ray-floret presence=absent
|receptacle architecture=epaleate
|receptacle architecture or pubescence or relief=smooth
|receptacle prominence or shape=flat
|series quantity=1;2
|stem arrangement or growth form=clustered
|stem orientation=erect
|stem quantity=single
|stigmatic area architecture=continuous
|tube length or size=longer
|whole-organism duration=perennial
|whole-organism some measurement=10cm;30cm
}}<!--

-->[[Category:Treatment]][[Category:Asteraceae tribe Senecioneae]]