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| − | --><span class="statement" id="st-d0_s0" data-properties="shrub count;shrub architecture;shrub some measurement;tree count;tree architecture;tree some measurement;trunk height or length or size"><b>Shrubs </b>or trees, with short trunk, many branched, 0.5–1.5 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 arrangement or shape;stem segment shape;stem segment shape;stem segment shape;stem segment shape;stem segment atypical length;stem segment atypical length;stem segment length;stem segment width;stem segment position;stem segment relief;stem segment pubescence"><b>Stem </b>segments not disarticulating, grayish green, flattened, reniform, circular, elliptic, or obovate, (7.5–) 10–18 (–25) × 5–25 cm, low tuberculate, pubescent;</span> <span class="statement" id="st-d0_s2" data-properties="areole count;areole arrangement or shape;areole diameter">areoles 8–13 per diagonal row across midstem segment, circular, 3–3.2 mm diam.;</span> <span class="statement" id="st-d0_s3" data-properties="wool coloration;wool coloration;wool coloration;wool life cycle;wool coloration">wool white to tan, aging gray.</span> <span class="statement" id="st-d0_s4" data-properties="spine count"><b>Spines </b>absent.</span> <span class="statement" id="st-d0_s5" data-properties="glochid count;glochid coloration;glochid coloration;glochid coloration;glochid some measurement"><b>Glochids </b>numerous, nearly filling areole, redbrown to white, 1–2.5 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 architecture or shape;inner tepal some measurement"><b>Flowers:</b> inner tepals yellow throughout, aging apricot to orange, obovate-apiculate, 25–38 mm;</span> <span class="statement" id="st-d0_s7" data-properties="filament coloration">filaments whitish;</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 green;</span> <span class="statement" id="st-d0_s10" data-properties="stigma lobe coloration">stigma lobes dark green.</span> <span class="statement" id="st-d0_s11" data-properties="fruit coloration;fruit shape;fruit length;fruit width;fruit texture;fruit pubescence;fruit architecture;flesh coloration"><b>Fruits </b>red with green flesh, obovate, 20–35 × 15–23 mm, fleshy, short-pubescent, spineless;</span> <span class="statement" id="st-d0_s12" data-properties="umbilicus some measurement;umbilicus depth">umbilicus 5–7 mm deep;</span> <span class="statement" id="st-d0_s13" data-properties="areole atypical count;areole count">areoles (30–) 36–52.</span> <span class="statement" id="st-d0_s14" data-properties="seed coloration;seed shape;seed shape;seed shape;seed arrangement or shape;seed length;seed width;seed width;side architecture or pubescence or relief;side architecture or pubescence or relief;depression count"><b>Seeds </b>yellowish, elliptic to subcircular, angular, 3–3.5 × 2.5–2.8 mm, thick, sides smooth or with 1–2 depressions;</span> <span class="statement" id="st-d0_s15" data-properties="girdle prominence;girdle some measurement;2n chromosome count">girdle protruding about 0.3 mm. <b>2n</b> = 22.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>or trees, with short trunk, many branched, 0.5–1.5 m. <b>Stem</b> segments not disarticulating, grayish green, flattened, reniform, circular, elliptic, or obovate, (7.5–)10–18(–25) × 5–25 cm, low tuberculate, pubescent; areoles 8–13 per diagonal row across midstem segment, circular, 3–3.2 mm diam.; wool white to tan, aging gray. <b>Spines</b> absent. <b>Glochids</b> numerous, nearly filling areole, red-brown to white, 1–2.5 mm. <b>Flowers</b>: inner tepals yellow throughout, aging apricot to orange, obovate-apiculate, 25–38 mm; filaments whitish; anthers yellow; style green; stigma lobes dark green. <b>Fruits</b> red with green flesh, obovate, 20–35 × 15–23 mm, fleshy, short pubescent, spineless; umbilicus 5–7 mm deep; areoles (30–)36–52. <b>Seeds</b> yellowish, elliptic to subcircular, angular, 3–3.5 × 2.5–2.8 mm, thick, sides smooth or with 1–2 depressions; girdle protruding about 0.3 mm. <b>2n</b> = 22.</span><!-- |
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| | + | |phenology=Flowering spring (Mar–Apr). |
| | |habitat=Calcareous to volcanic flats, hillsides, sandy to gravelly desert soils | | |habitat=Calcareous to volcanic flats, hillsides, sandy to gravelly desert soils |
| | |elevation=600-1300 m | | |elevation=600-1300 m |
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| | |basionyms= | | |basionyms= |
| | |family=Cactaceae | | |family=Cactaceae |
| | + | |phenology=Flowering spring (Mar–Apr). |
| | |habitat=Calcareous to volcanic flats, hillsides, sandy to gravelly desert soils | | |habitat=Calcareous to volcanic flats, hillsides, sandy to gravelly desert soils |
| | |elevation=600-1300 m | | |elevation=600-1300 m |
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| | |publication year=1856 | | |publication year=1856 |
| | |special status= | | |special status= |
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V4/V4_270.xml | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V4/V4_270.xml |
| | |subfamily=Cactaceae subfam. Opuntioideae | | |subfamily=Cactaceae subfam. Opuntioideae |
| | |genus=Opuntia | | |genus=Opuntia |
| | |species=Opuntia rufida | | |species=Opuntia rufida |
| − | |2n chromosome count=22
| |
| − | |anther coloration=yellow
| |
| − | |areole arrangement or shape=circular
| |
| − | |areole atypical count=30;36
| |
| − | |areole count=36;52
| |
| − | |areole diameter=3mm;3.2mm
| |
| − | |depression count=1;2
| |
| − | |filament coloration=whitish
| |
| − | |flesh coloration=green
| |
| − | |fruit architecture=spineless
| |
| − | |fruit coloration=red
| |
| − | |fruit length=20mm;35mm
| |
| − | |fruit pubescence=short-pubescent
| |
| − | |fruit shape=obovate
| |
| − | |fruit texture=fleshy
| |
| − | |fruit width=15mm;23mm
| |
| − | |girdle prominence=protruding
| |
| − | |girdle some measurement=0.3
| |
| − | |glochid coloration=redbrown;white
| |
| − | |glochid count=numerous
| |
| − | |glochid some measurement=1mm;2.5mm
| |
| − | |inner tepal architecture or shape=obovate-apiculate
| |
| − | |inner tepal coloration=apricot;orange
| |
| − | |inner tepal some measurement=25mm;38mm
| |
| − | |seed arrangement or shape=angular
| |
| − | |seed coloration=yellowish
| |
| − | |seed length=3mm;3.5mm
| |
| − | |seed shape=elliptic;subcircular
| |
| − | |seed width=thick;2.5mm;2.8mm
| |
| − | |shrub architecture=branched
| |
| − | |shrub count=many
| |
| − | |shrub some measurement=0.5m;1.5m
| |
| − | |side architecture or pubescence or relief=with 1-2 depressions;smooth
| |
| − | |spine count=absent
| |
| − | |stem segment architecture=not disarticulating
| |
| − | |stem segment arrangement or shape=circular
| |
| − | |stem segment atypical length=18cm;25cm
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| − | |stem segment coloration=grayish green
| |
| − | |stem segment length=10cm;18cm
| |
| − | |stem segment position=low
| |
| − | |stem segment pubescence=pubescent
| |
| − | |stem segment relief=tuberculate
| |
| − | |stem segment shape=obovate;elliptic;obovate;elliptic;reniform;flattened
| |
| − | |stem segment width=5cm;25cm
| |
| − | |stigma lobe coloration=dark green
| |
| − | |style coloration=green
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| − | |tree architecture=branched
| |
| − | |tree count=many
| |
| − | |tree some measurement=0.5m;1.5m
| |
| − | |trunk height or length or size=short
| |
| − | |umbilicus depth=deep
| |
| − | |umbilicus some measurement=5mm;7mm
| |
| − | |wool coloration=gray;white;tan
| |
| − | |wool life cycle=aging
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| | -->[[Category:Treatment]][[Category:Opuntia]] | | -->[[Category:Treatment]][[Category:Opuntia]] |
Shrubs or trees, with short trunk, many branched, 0.5–1.5 m. Stem segments not disarticulating, grayish green, flattened, reniform, circular, elliptic, or obovate, (7.5–)10–18(–25) × 5–25 cm, low tuberculate, pubescent; areoles 8–13 per diagonal row across midstem segment, circular, 3–3.2 mm diam.; wool white to tan, aging gray. Spines absent. Glochids numerous, nearly filling areole, red-brown to white, 1–2.5 mm. Flowers: inner tepals yellow throughout, aging apricot to orange, obovate-apiculate, 25–38 mm; filaments whitish; anthers yellow; style green; stigma lobes dark green. Fruits red with green flesh, obovate, 20–35 × 15–23 mm, fleshy, short pubescent, spineless; umbilicus 5–7 mm deep; areoles (30–)36–52. Seeds yellowish, elliptic to subcircular, angular, 3–3.5 × 2.5–2.8 mm, thick, sides smooth or with 1–2 depressions; girdle protruding about 0.3 mm. 2n = 22.
Phenology: Flowering spring (Mar–Apr).
Habitat: Calcareous to volcanic flats, hillsides, sandy to gravelly desert soils
Elevation: 600-1300 m
Distribution
Tex., Mexico (Chihuahua, Coahuila, Durango).
Discussion
Opuntia rufida hybridizes in Mexico with O. microdasys.
The vernacular name is derived from the tendency for the glochids to shed into the eyes of grazing cattle that bump against the plant.
Selected References
None.
