View source for Erigeron rhizomatus

{{Treatment/ID
|accepted_name=Erigeron rhizomatus
|accepted_authority=Cronquist
|publications={{Treatment/Publication
|title=Brittonia
|place=6: 274. 1947
|year=1947
}}
|common_names=Zuni fleabane
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}{{Treatment/ID/Special_status
|code=E
|label=Endemic
}}{{Treatment/ID/Special_status
|code=C
|label=Conservation concern
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Erigeron;Erigeron rhizomatus
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Astereae]]</div><div class="higher-taxon"><small>genus</small>[[Erigeron]]</div><div class="higher-taxon"><small>species</small>[[Erigeron rhizomatus]]</div></div>
|volume=Volume 20
|mention_page=page 266
|treatment_page=page 276
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole-organism some measurement;whole-organism duration"><b>Perennials,</b> 25–45 cm;</span> <span class="statement" id="st-d0_s1" data-properties="root architecture;root architecture;root orientation;root size;root architecture;rhizome architecture;rhizome architecture;rhizome arrangement or growth form;rhizome width;rhizome orientation;rhizome size;rhizome architecture;caudex branch architecture;caudex branch architecture;caudex branch arrangement or growth form;caudex branch width;caudex branch architecture;caudex branch orientation;caudex branch size;caudex branch architecture;central axis prominence">rhizomatous, fibrous-rooted, roots clustered, relatively thick (sometimes forming clumps to ca. 30 cm diam.), rhizomes or rhizomelike caudex branches creeping-ascending, slender, scale-leaved, without well-defined central axes.</span> <span class="statement" id="st-d0_s2" data-properties="stem orientation;stem architecture;stem architecture;stem pubescence;stem architecture or function or pubescence"><b>Stems </b>erect, simple or 1–3-branched from near bases (secondary stems more densely leafy), sparsely strigose to strigoso-hirsutulous, sometimes sparsely minute-glandular.</span> <span class="statement" id="st-d0_s3" data-properties="leaf position"><b>Leaves </b>cauline;</span> <span class="statement" id="st-d0_s4" data-properties="proximal blade shape;proximal blade arrangement or course or shape;proximal blade length;proximal blade width;proximal blade size;margin architecture or shape;margin architecture or pubescence or shape;face pubescence;face architecture">proximal blades narrowly oblong to oblong-oblanceolate, quickly linear, 50–100 × 1–3 mm, relatively even-sized distally, margins entire, ciliate, faces glabrous, eglandular.</span> <span class="statement" id="st-d0_s5" data-properties="head quantity"><b>Heads </b>1 (rarely 2–3 from proximal branches).</span> <span class="statement" id="st-d0_s6" data-properties="involucre length;involucre width"><b>Involucres </b>6–7 × 13–16 mm.</span> <span class="statement" id="st-d0_s7" data-properties="phyllarie pubescence;phyllarie architecture or function or pubescence;series quantity"><b>Phyllaries </b>in 4–5 series, sparsely strigose, sometimes sparsely minute-glandular.</span> <span class="statement" id="st-d0_s8" data-properties="ray-floret quantity"><b>Ray-</b>florets 25–45;</span> <span class="statement" id="st-d0_s9" data-properties="corolla coloration;corolla some measurement;abaxial midstripe coloration;lamina shape;lamina orientation">corollas white with abaxial lilac midstripe, 6–7 mm, laminae not coiling or reflexing.</span> <span class="statement" id="st-d0_s10" data-properties="disc corolla some measurement"><b>Disc </b>corollas 4.8–5.6 mm.</span> <span class="statement" id="st-d0_s11" data-properties="cypsela some measurement;cypsela architecture;face pubescence"><b>Cypselae </b>3.5–4.5 mm, 5–6-nerved, faces glabrous;</span> <span class="statement" id="st-d0_s12" data-properties="bristle quantity">pappi: outer of setae, inner of 25–35 bristles.</span> <span class="statement" id="st-d0_s13" data-properties="2n chromosome quantity">2n = 18.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Jul.
|habitat=Nearly barren detrital clay hillsides or benches, shale-derived soils (often seleniferous) of the Chinle or Baca formations, usually n- or e-facing slopes, ponderosa pine and piñon-juniper woodlands
|elevation=2200–2400 m
|distribution=Ariz.;N.Mex.
|discussion=<p>Of conservation concern.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Erigeron rhizomatus
|authority=Cronquist
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Asteraceae
|phenology=Flowering May–Jul.
|habitat=Nearly barren detrital clay hillsides or benches, shale-derived soils (often seleniferous) of the Chinle or Baca formations, usually n- or e-facing slopes, ponderosa pine and piñon-juniper woodlands
|elevation=2200–2400 m
|distribution=Ariz.;N.Mex.
|reference=None
|publication title=Brittonia
|publication year=1947
|special status=Illustrated;Endemic;Conservation concern
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V20_559.xml
|tribe=Asteraceae tribe Astereae
|genus=Erigeron
|species=Erigeron rhizomatus
|2n chromosome quantity=18
|abaxial midstripe coloration=lilac
|bristle quantity=25;35
|caudex branch architecture=scale-leaved;rhizomelike;fibrous-rooted;rhizomatous
|caudex branch arrangement or growth form=clustered
|caudex branch orientation=creeping-ascending
|caudex branch size=slender
|caudex branch width=thick
|central axis prominence=well-defined
|corolla coloration=white
|corolla some measurement=6mm;7mm
|cypsela architecture=5-6-nerved
|cypsela some measurement=3.5mm;4.5mm
|disc corolla some measurement=4.8mm;5.6mm
|face architecture=eglandular
|face pubescence=glabrous;glabrous
|head quantity=1
|involucre length=6mm;7mm
|involucre width=13mm;16mm
|lamina orientation=reflexing
|lamina shape=not coiling
|leaf position=cauline
|margin architecture or pubescence or shape=ciliate
|margin architecture or shape=entire
|phyllarie architecture or function or pubescence=minute-glandular
|phyllarie pubescence=strigose
|proximal blade arrangement or course or shape=linear
|proximal blade length=50mm;100mm
|proximal blade shape=narrowly oblong;oblong-oblanceolate
|proximal blade size=equal-sized
|proximal blade width=1mm;3mm
|ray-floret quantity=25;45
|rhizome architecture=scale-leaved;fibrous-rooted;rhizomatous
|rhizome arrangement or growth form=clustered
|rhizome orientation=creeping-ascending
|rhizome size=slender
|rhizome width=thick
|root architecture=scale-leaved;fibrous-rooted;rhizomatous
|root orientation=creeping-ascending
|root size=slender
|series quantity=4;5
|stem architecture=1-3-branched;simple
|stem architecture or function or pubescence=minute-glandular
|stem orientation=erect
|stem pubescence=sparsely strigose;strigoso-hirsutulous
|whole-organism duration=perennial
|whole-organism some measurement=25cm;45cm
}}<!--

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