View source for Erigeron rybius

{{Treatment/ID
|accepted_name=Erigeron rybius
|accepted_authority=G. L. Nesom
|publications={{Treatment/Publication
|title=Syst. Bot.
|place=7: 457, fig. 1. 1982
|year=1982
}}
|common_names=Sacramento Mountain fleabane
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Erigeron;Erigeron rybius
|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 rybius]]</div></div>
|volume=Volume 20
|mention_page=page 262, 267
|treatment_page=page 333
}}<!--

--><span class="statement" id="st-d0_s0" data-properties=""><b>Perennials,</b> 15–35 cm;</span> <span class="statement" id="st-d0_s1" data-properties="whole-organism some measurement;whole-organism architecture;whole-organism architecture;whole-organism duration;primary rhizome size;primary rhizome growth form or texture;system size;rhizome texture;rhizome architecture;stolon architecture">rhizomatous, fibrous-rooted, primary rhizomes slender, with systems of lignescent, branched rhizomes and slender, herbaceous, scale-leaved stolons bearing terminal leaf tufts.</span> <span class="statement" id="st-d0_s2" data-properties="stem orientation;stem pubescence;stem architecture;stem architecture or function or pubescence"><b>Stems </b>erect, moderately to densely hirsute to hirtellous (hairs retrorsely spreading), usually eglandular, sometimes sparsely minutely glandular.</span> <span class="statement" id="st-d0_s3" data-properties="leaf position;leaf position"><b>Leaves </b>basal (and proximal cauline usually withering by flowering) and cauline;</span> <span class="statement" id="st-d0_s4" data-properties="basal and proximal cauline blade shape;basal and proximal cauline blade length;basal and proximal cauline blade width;margin shape;face pubescence">basal and proximal cauline blades elliptic-ovate to spatulate-obovate, 18–135 × 6–27 mm, margins entire to mucronulate or shallowly serrate, faces short-strigose to hirsute or hirsuto-villous;</span> <span class="statement" id="st-d0_s5" data-properties="cauline blade shape;cauline blade architecture or shape;cauline blade position or shape;cauline blade position;cauline blade size;midstem size">cauline blades becoming lanceolate and entire distal to midstems, nearly even-sized distally or mid largest (bases clasping to subclasping).</span> <span class="statement" id="st-d0_s6" data-properties="head quantity"><b>Heads </b>1–6 (from branches on distal 1/3–1/2 of stems).</span> <span class="statement" id="st-d0_s7" data-properties="involucre length;involucre width"><b>Involucres </b>6–8 × 9–15 mm.</span> <span class="statement" id="st-d0_s8" data-properties="phyllarie pubescence;phyllarie architecture;phyllarie architecture or function or pubescence;series atypical quantity;series quantity"><b>Phyllaries </b>in 3 (–4) series, moderately piloso-hirsute, usually eglandular, sometimes minutely glandular.</span> <span class="statement" id="st-d0_s9" data-properties="ray-floret quantity"><b>Ray-</b>florets 47–99;</span> <span class="statement" id="st-d0_s10" data-properties="corolla some measurement;lamina shape;lamina coloration;lamina coloration;lamina coloration;lamina coloration">corollas 11–20 mm, laminae coiling at tips, white, drying white or lilac-tinged.</span> <span class="statement" id="st-d0_s11" data-properties="disc corolla some measurement"><b>Disc </b>corollas 3.4–4.6 mm.</span> <span class="statement" id="st-d0_s12" data-properties="cypsela shape;cypsela some measurement;cypsela architecture;face pubescence"><b>Cypselae </b>obovate to 1.8–2.1 mm, 2 (–4) -nerved, faces sparsely strigose;</span> <span class="statement" id="st-d0_s13" data-properties="bristle quantity">pappi: outer of setae, inner of 20–32 bristles.</span> <span class="statement" id="st-d0_s14" data-properties="2n chromosome quantity">2n = 18.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jul–Sep.
|habitat=Meadows, grassy forest openings, and disturbed areas, ponderosa pine, pine-oak-fir, fir, spruce-fir
|elevation=1800–2800(–3300) m
|distribution=N.Mex.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Erigeron rybius
|authority=G. L. Nesom
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Asteraceae
|phenology=Flowering Jul–Sep.
|habitat=Meadows, grassy forest openings, and disturbed areas, ponderosa pine, pine-oak-fir, fir, spruce-fir
|elevation=1800–2800(–3300) m
|distribution=N.Mex.
|reference=None
|publication title=Syst. Bot.
|publication year=1982
|special status=Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V20_759.xml
|tribe=Asteraceae tribe Astereae
|genus=Erigeron
|species=Erigeron rybius
|2n chromosome quantity=18
|basal and proximal cauline blade length=18mm;135mm
|basal and proximal cauline blade shape=elliptic-ovate;spatulate-obovate
|basal and proximal cauline blade width=6mm;27mm
|bristle quantity=20;32
|cauline blade architecture or shape=entire
|cauline blade position=mid
|cauline blade position or shape=distal
|cauline blade shape=lanceolate
|cauline blade size=largest
|corolla some measurement=11mm;20mm
|cypsela architecture=2(-4)-nerved
|cypsela shape=obovate
|cypsela some measurement=1.8mm;2.1mm
|disc corolla some measurement=3.4mm;4.6mm
|face pubescence=strigose;short-strigose;hirsute or hirsuto-villous
|head quantity=1;6
|involucre length=6mm;8mm
|involucre width=9mm;15mm
|lamina coloration=lilac-tinged;white;drying;white
|lamina shape=coiling
|leaf position=cauline;basal
|margin shape=entire;mucronulate or shallowly serrate
|midstem size=equal-sized
|phyllarie architecture=eglandular
|phyllarie architecture or function or pubescence=glandular
|phyllarie pubescence=piloso-hirsute
|primary rhizome growth form or texture=herbaceous
|primary rhizome size=slender
|ray-floret quantity=47;99
|rhizome architecture=branched
|rhizome texture=lignescent
|series atypical quantity=3;4
|series quantity=3
|stem architecture=eglandular
|stem architecture or function or pubescence=glandular
|stem orientation=erect
|stem pubescence=hirsute;hirtellous
|stolon architecture=scale-leaved
|system size=slender
|whole-organism architecture=fibrous-rooted;rhizomatous
|whole-organism duration=perennial
|whole-organism some measurement=15cm;35cm
}}<!--

-->[[Category:Treatment]][[Category:Erigeron]]