View source for Opuntia ×vaseyi

{{Treatment/ID
|accepted_name=Opuntia ×vaseyi
|accepted_authority=(J. M. Coulter) Britton & Rose
|publications={{Treatment/Publication
|title=Smithsonian Misc. Collect.
|place=50: 532. 1908
|year=1908
}}
|basionyms={{Treatment/ID/Synonym
|name=Opuntia mesacantha var. vaseyi
|authority=J. M. Coulter
}}
|synonyms={{Treatment/ID/Synonym
|name=Opuntia humifusa var. vaseyi
|authority=(J. M. Coulter) A. Heller
}}{{Treatment/ID/Synonym
|name=Opuntia littoralis var. austrocalifornica
|authority=L. D. Benson & Walkington
}}{{Treatment/ID/Synonym
|name=Opuntia littoralis var. vaseyi
|authority=(J. M. Coulter) L. D. Benson & Walkington
}}{{Treatment/ID/Synonym
|name=Opuntia rafinesquei
|authority=unknown
}}
|hierarchy=Cactaceae;Cactaceae subfam. Opuntioideae;Opuntia;Opuntia ×vaseyi
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cactaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Cactaceae subfam. Opuntioideae]]</div><div class="higher-taxon"><small>genus</small>[[Opuntia]]</div><div class="higher-taxon"><small>species</small>[[Opuntia ×vaseyi]]</div></div>
|volume=Volume 4
|mention_page=page 126, 129, 139
|treatment_page=page 141
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="shrub orientation;shrub orientation;shrub orientation;shrub some measurement"><b>Shrubs,</b> sprawling to spreading, to 1.2 m.</span> <span class="statement" id="st-d0_s1" data-properties="stem segment architecture;stem segment coloration;stem segment shape;stem segment shape;stem segment shape;stem segment shape;stem segment length;stem segment width;stem segment relief;stem segment pubescence;stem segment pubescence"><b>Stem </b>segments not disarticulating, green, flattened, obovate to elliptic, 7–22 × 5–12 cm, ± tuberculate, glabrous, glaucous;</span> <span class="statement" id="st-d0_s2" data-properties="areole atypical count;areole count;areole shape;areole shape;areole shape;areole length;areole width">areoles 5–7 (–8) per diagonal row across midstem segment, subcircular to elliptic, 3–6 × 2.5–3.5 mm;</span> <span class="statement" id="st-d0_s3" data-properties="wool coloration">wool gray.</span> <span class="statement" id="st-d0_s4" data-properties="spine count;spine count;spine orientation;spine orientation;spine orientation;spine coloration;spine coloration;spine coloration;spine coloration;spine life cycle;spine coloration;spine course;spine shape;spine shape;spine length;spine some measurement;coat coloration"><b>Spines </b>absent or 1–6 per areole, over distal 0–70% of stem segment, spreading to reflexed, yellow with chalky white coat and brown to yellow basal portions, aging dark red, straight, subulate, angularly flattened, the longest 20–48 mm.</span> <span class="statement" id="st-d0_s5" data-properties="glochid density;glochid count or density;glochid development;glochid coloration;glochid life cycle;glochid coloration;glochid some measurement"><b>Glochids </b>moderately dense in crescent at adaxial edge of areole and sparse or poorly developed in subapical tuft, yellow, aging redbrown, of unequal lengths, to 4 mm.</span> <span class="statement" id="st-d0_s6" data-properties="inner tepal coloration;inner tepal coloration;inner tepal coloration;inner tepal coloration;inner tepal coloration;inner tepal coloration;inner tepal coloration;inner tepal some measurement"><b>Flowers:</b> inner tepals yellow, orange, or dull red throughout, 25–35 mm;</span> <span class="statement" id="st-d0_s7" data-properties="filament coloration;filament coloration">filaments orange-yellow sometimes darker near base;</span> <span class="statement" id="st-d0_s8" data-properties="anther coloration">anthers yellow;</span> <span class="statement" id="st-d0_s9" data-properties="style coloration;style coloration;style coloration">style pink to red (rarely white);</span> <span class="statement" id="st-d0_s10" data-properties="stigma lobe coloration;stigma lobe coloration;stigma lobe coloration">stigma lobes green to yellow-green.</span> <span class="statement" id="st-d0_s11" data-properties="fruit coloration or density;fruit shape;fruit shape;fruit shape;fruit length;fruit width;fruit texture;fruit pubescence;fruit architecture"><b>Fruits </b>red-purple throughout, obovoid to subcylindric, 30–55 × 20–40 mm, juicy, glabrous, spineless;</span> <span class="statement" id="st-d0_s12" data-properties="areole count">areoles 20–36.</span> <span class="statement" id="st-d0_s13" data-properties="seed coloration;seed coloration;seed coloration;seed diameter"><b>Seeds </b>tan to gray, 4.5–6 mm diam.;</span> <span class="statement" id="st-d0_s14" data-properties="girdle prominence;2n chromosome count">girdle protruding to 0.5 mm. <b>2n</b> = 66.</span><!--

-->{{Treatment/Body
|habitat=Coastal sage scrub, chaparral, grassy hillsides, disturbed sites
|elevation=30-600 m
|distribution=Calif.
|discussion=<p>The nothospecies Opuntia ×vaseyi resulted from hybridization between O. littoralis and O. phaeacantha (B. D. Parfitt and M. A. Baker 1993).</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Opuntia ×vaseyi
|author=
|authority=(J. M. Coulter) Britton & Rose
|rank=species
|parent rank=genus
|synonyms=Opuntia humifusa var. vaseyi;Opuntia littoralis var. austrocalifornica;Opuntia littoralis var. vaseyi;Opuntia rafinesquei
|basionyms=Opuntia mesacantha var. vaseyi
|family=Cactaceae
|habitat=Coastal sage scrub, chaparral, grassy hillsides, disturbed sites
|elevation=30-600 m
|distribution=Calif.
|reference=None
|publication title=Smithsonian Misc. Collect.
|publication year=1908
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V4/V4_267.xml
|subfamily=Cactaceae subfam. Opuntioideae
|genus=Opuntia
|species=Opuntia ×vaseyi
|2n chromosome count=66
|anther coloration=yellow
|areole atypical count=7;8
|areole count=20;36
|areole length=3mm;6mm
|areole shape=subcircular;elliptic
|areole width=2.5mm;3.5mm
|coat coloration=chalky white
|filament coloration=darker;orange-yellow
|fruit architecture=spineless
|fruit coloration or density=red-purple
|fruit length=30mm;55mm
|fruit pubescence=glabrous
|fruit shape=obovoid;subcylindric
|fruit texture=juicy
|fruit width=20mm;40mm
|girdle prominence=protruding
|glochid coloration=redbrown;yellow
|glochid count or density=sparse
|glochid density=dense
|glochid development=developed
|glochid life cycle=aging
|glochid some measurement=0mm;4mm
|inner tepal coloration=red;dull;orange;red;dull;orange;yellow
|inner tepal some measurement=25mm;35mm
|seed coloration=tan;gray
|seed diameter=4.5mm;6mm
|shrub orientation=sprawling;spreading
|shrub some measurement=0m;1.2m
|spine coloration=dark red;brown;yellow
|spine count=1;6
|spine course=straight
|spine length=longest
|spine life cycle=aging
|spine orientation=spreading;reflexed
|spine shape=flattened;subulate
|spine some measurement=20mm;48mm
|stem segment architecture=not disarticulating
|stem segment coloration=green
|stem segment length=7cm;22cm
|stem segment pubescence=glaucous;glabrous
|stem segment relief=tuberculate
|stem segment shape=obovate;elliptic
|stem segment width=5cm;12cm
|stigma lobe coloration=green;yellow-green
|style coloration=pink;red
|wool coloration=gray
}}<!--

-->[[Category:Treatment]][[Category:Opuntia]]