View source for Smelowskia pyriformis

{{Treatment/ID
|accepted_name=Smelowskia pyriformis
|accepted_authority=W. H. Drury & Rollins
|publications={{Treatment/Publication
|title=Rhodora
|place=54: 108, fig. 3B. 1952
|year=1952
}}
|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=Brassicaceae;Brassicaceae tribe Smelowskieae;Smelowskia;Smelowskia pyriformis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Brassicaceae]]</div><div class="higher-taxon"><small>tribe</small>[[Brassicaceae tribe Smelowskieae]]</div><div class="higher-taxon"><small>genus</small>[[Smelowskia]]</div><div class="higher-taxon"><small>species</small>[[Smelowskia pyriformis]]</div></div>
|volume=Volume 7
|mention_page=page 672
|treatment_page=page 675
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism pubescence;whole_organism growth form"><b>Plants </b>sometimes canescent throughout;</span> <span class="statement" id="st-d0_s1" data-properties="caudex architecture">caudex simple.</span> <span class="statement" id="st-d0_s2" data-properties="stem quantity;stem architecture;stem architecture;stem architecture;stem atypical some measurement;stem some measurement;trichome architecture;trichome some measurement;trichome arrangement;one size;one architecture"><b>Stems:</b> usually several, rarely simple from base, usually unbranched, rarely branched, 0.5–2.4 (–3) dm, trichomes simple, to 1.3 mm, mixed with smaller, dendritic ones.</span> <span class="statement" id="st-d0_s3" data-properties="petiole some measurement;petiole architecture or pubescence or shape;trichome architecture"><b>Basal </b>leaves: petiole 1–4 cm, often ciliate, trichomes simple;</span> <span class="statement" id="st-d0_s4" data-properties="blade shape;blade length;blade width;margin shape;apex shape">blade broadly ovate to oblong in outline, (terminal segments oblong to or ovate), 1–2.2 cm × 8–15 mm, (terminal segments 0.4–1 cm × 1.5–3 mm), margins pinnatifid, apex obtuse.</span> <span class="statement" id="st-d0_s5" data-properties="cauline leaf architecture;cauline leaf architecture"><b>Cauline </b>leaves shortly petiolate or sessile;</span> <span class="statement" id="st-d0_s6" data-properties="blade position;blade size">blade similar to basal, smaller distally.</span> <span class="statement" id="st-d0_s7" data-properties=""><b>Racemes </b>considerably elongated in fruit.</span> <span class="statement" id="st-d0_s8" data-properties="raceme length;whole-organism orientation;whole-organism position;whole-organism architecture;whole-organism atypical some measurement;whole-organism some measurement;whole-organism pubescence;trichome architecture;trichome arrangement;one size;one architecture"><b>Fruiting </b>pedicels ascending to divaricate-ascending, (often forming less than 40˚ angle), proximalmost bracteate, 5–15 (–20) mm, pubescent, trichomes simple (to 1.4 mm), mixed with smaller, dendritic ones.</span> <span class="statement" id="st-d0_s9" data-properties="sepal some measurement"><b>Flowers:</b> sepals 1.2–2.2 mm;</span> <span class="statement" id="st-d0_s10" data-properties="petal coloration;petal coloration;petal coloration;petal coloration;petal coloration;petal shape;petal length;petal width;petal shape;petal some measurement;apex shape">petals purple, lavender, or white, suborbicular to obovate, 2.5–4.5 × 1–2.5 mm, narrowed to claw, 1–2 mm, apex rounded;</span> <span class="statement" id="st-d0_s11" data-properties="anther shape;anther some measurement">anthers ovate, 0.3–0.5 mm.</span> <span class="statement" id="st-d0_s12" data-properties="fruit orientation;fruit shape;fruit shape;fruit length;fruit width;base shape;apex shape"><b>Fruits </b>ascending, pyriform, subterete, 5–9 × 2.5–4 mm, base cuneate, apex rounded;</span> <span class="statement" id="st-d0_s13" data-properties="midvein prominence">valves each with prominent midvein;</span> <span class="statement" id="st-d0_s14" data-properties="ovule quantity">ovules 4 per ovary;</span> <span class="statement" id="st-d0_s15" data-properties="style some measurement">style 0.4–1.2 mm.</span> <span class="statement" id="st-d0_s16" data-properties="seed length;seed width;2n chromosome quantity"><b>Seeds </b>(oblong-lanceolate) 2.5–3.2 × 1–1.5 mm. <b>2n</b> = 12.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jun–Aug.
|habitat=Loose talus, scree slopes, shale ridgetops, limestone volcanic rubble, mixed sandstone-siltstone-carbonate scree
|elevation=600-1700 m
|distribution=Alaska.
|discussion=<p>Of conservation concern.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Smelowskia pyriformis
|authority=W. H. Drury & Rollins
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Brassicaceae
|phenology=Flowering Jun–Aug.
|habitat=Loose talus, scree slopes, shale ridgetops, limestone volcanic rubble, mixed sandstone-siltstone-carbonate scree
|elevation=600-1700 m
|distribution=Alaska.
|reference=None
|publication title=Rhodora
|publication year=1952
|special status=Illustrated;Endemic;Conservation concern
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V7/V7_1159.xml
|tribe=Brassicaceae tribe Smelowskieae
|genus=Smelowskia
|species=Smelowskia pyriformis
|2n chromosome quantity=12
|anther shape=ovate
|anther some measurement=0.3mm;0.5mm
|apex shape=rounded;rounded;obtuse
|base shape=cuneate
|blade length=1cm;2.2cm
|blade position=basal
|blade shape=broadly ovate;oblong
|blade size=smaller
|blade width=8mm;15mm
|caudex architecture=simple
|cauline leaf architecture=sessile;petiolate
|fruit length=5mm;9mm
|fruit orientation=ascending
|fruit shape=subterete;pyriform
|fruit width=2.5mm;4mm
|margin shape=pinnatifid
|midvein prominence=prominent
|one architecture=dendritic;dendritic
|one size=smaller;smaller
|ovule quantity=4
|petal coloration=white;lavender;white;lavender;purple
|petal length=2.5mm;4.5mm
|petal shape=narrowed;suborbicular;obovate
|petal some measurement=1mm;2mm
|petal width=1mm;2.5mm
|petiole architecture or pubescence or shape=ciliate
|petiole some measurement=1cm;4cm
|raceme length=elongated
|seed length=2.5mm;3.2mm
|seed width=1mm;1.5mm
|sepal some measurement=1.2mm;2.2mm
|stem architecture=branched;unbranched;simple
|stem atypical some measurement=2.4dm;3dm
|stem quantity=several
|stem some measurement=0.5dm;2.4dm
|style some measurement=0.4mm;1.2mm
|trichome architecture=simple;simple;simple
|trichome arrangement=mixed;mixed
|trichome some measurement=0mm;1.3mm
|whole-organism architecture=bracteate
|whole-organism atypical some measurement=15mm;20mm
|whole-organism orientation=ascending;divaricate-ascending
|whole-organism position=proximalmost
|whole-organism pubescence=pubescent
|whole-organism some measurement=5mm;15mm
|whole_organism growth form=plant
|whole_organism pubescence=canescent
}}<!--

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