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| − | --><span class="statement" id="st-d0_s0" data-properties="shrub orientation;shrub some measurement;tree size;tree orientation;tree some measurement"><b>Shrubs </b>or small trees, erect, to 1.5 m.</span> <span class="statement" id="st-d0_s1" data-properties="stem segment fusion;stem segment coloration;stem segment coloration or density;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 easily detached, green, often purple near areoles, flattened, obovate to ovate, 10–25 × 7.5–11 cm, ± tuberculate, glabrous, glaucous;</span> <span class="statement" id="st-d0_s2" data-properties="areole count;areole shape;areole shape;areole shape;areole diameter">areoles 4–5 per diagonal row across midstem segment, subcircular to oblong, 5–6 mm diam.;</span> <span class="statement" id="st-d0_s3" data-properties="wool coloration;wool life cycle;wool coloration">wool tan, aging blackish.</span> <span class="statement" id="st-d0_s4" data-properties="spine atypical count;spine count;0-areole orientation;0-areole coloration;0-areole coloration;0-areole life cycle;0-areole coloration;0-areole fragility or size;0-areole course;0-areole arrangement or shape;0-areole length;0-areole some measurement;base coloration;tip coloration"><b>Spines </b>1–5 (–8) per areole, at most areoles, spreading, white with red base, becoming dark redbrown with pale tips, aging gray, stout, usually curved, elliptic in cross-section, longest to 70 mm.</span> <span class="statement" id="st-d0_s5" data-properties="glochid arrangement;glochid coloration;glochid some measurement"><b>Glochids </b>closely spaced in crescent at adaxial edge of areole, along margins of areoles, and in subapical tuft, yellow, to 4 mm.</span> <span class="statement" id="st-d0_s6" data-properties="inner tepal depth;inner tepal coloration;inner tepal some measurement;basal portion coloration"><b>Flowers:</b> inner tepals deep yellow with red basal portions, to 35 mm;</span> <span class="statement" id="st-d0_s7" data-properties="filament coloration">filaments yellow;</span> <span class="statement" id="st-d0_s8" data-properties="anther coloration">anthers pale-yellow;</span> <span class="statement" id="st-d0_s9" data-properties="style coloration">style cream;</span> <span class="statement" id="st-d0_s10" data-properties="stigma lobe coloration">stigma lobes yellow-green.</span> <span class="statement" id="st-d0_s11" data-properties="fruit reproduction;fruit life cycle;fruit coloration;fruit coloration;fruit coloration;fruit shape;fruit shape;fruit shape;fruit length;fruit width;fruit texture;fruit condition or texture;fruit relief;fruit pubescence"><b>Fruits </b>often sterile, sometimes proliferating, yellow to red, ovoid to obconic, 28–32 × 13–22 mm, usually fleshy, becoming dry, tuberculate, glabrous;</span> <span class="statement" id="st-d0_s12" data-properties="areole count;distal areole some measurement;spine count;spine coloration;spine coloration">areoles 20–30, distal areoles bearing 1–4 redbrown and white spines, to 25 mm.</span> <span class="statement" id="st-d0_s13" data-properties="seed count;seed coloration;seed shape;seed shape;seed shape;seed diameter"><b>Seeds </b>few, tan, subcircular to irregularly shaped, 4–5 mm diam.;</span> <span class="statement" id="st-d0_s14" data-properties="girdle prominence;2n chromosome count">girdle protruding to 1 mm. <b>2n</b> = 44.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>or small trees, erect, to 1.5 m. <b>Stem</b> segments not easily detached, green, often purple near areoles, flattened, obovate to ovate, 10–25 × 7.5–11 cm, ± tuberculate, glabrous, glaucous; areoles 4–5 per diagonal row across midstem segment, subcircular to oblong, 5–6 mm diam.; wool tan, aging blackish. <b>Spines</b> 1–5(–8) per areole, at most areoles, spreading, white with red base, becoming dark red-brown with pale tips, aging gray, stout, usually curved, elliptic in cross section, longest to 70 mm. <b>Glochids</b> closely spaced in crescent at adaxial edge of areole, along margins of areoles, and in subapical tuft, yellow, to 4 mm. <b>Flowers</b>: inner tepals deep yellow with red basal portions, to 35 mm; filaments yellow; anthers pale yellow; style cream; stigma lobes yellow-green. <b>Fruits</b> often sterile, sometimes proliferating, yellow to red, ovoid to obconic, 28–32 × 13–22 mm, usually fleshy, becoming dry, tuberculate, glabrous; areoles 20–30, distal areoles bearing 1–4 red-brown and white spines, to 25 mm. <b>Seeds</b> few, tan, subcircular to irregularly shaped, 4–5 mm diam.; girdle protruding to 1 mm. <b>2n</b> = 44.</span><!-- |
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| | -->{{Treatment/Body | | -->{{Treatment/Body |
| | + | |phenology=Flowering spring (Apr–May). |
| | |habitat=Limestone hills, slopes | | |habitat=Limestone hills, slopes |
| | |elevation=900 m | | |elevation=900 m |
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| | |basionyms= | | |basionyms= |
| | |family=Cactaceae | | |family=Cactaceae |
| | + | |phenology=Flowering spring (Apr–May). |
| | |habitat=Limestone hills, slopes | | |habitat=Limestone hills, slopes |
| | |elevation=900 m | | |elevation=900 m |
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| | |publication year=1956 | | |publication year=1956 |
| | |special status= | | |special status= |
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V4/V4_264.xml | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V4/V4_264.xml |
| | |subfamily=Cactaceae subfam. Opuntioideae | | |subfamily=Cactaceae subfam. Opuntioideae |
| | |genus=Opuntia | | |genus=Opuntia |
| | |species=Opuntia ×spinosibacca | | |species=Opuntia ×spinosibacca |
| − | |0-areole arrangement or shape=elliptic
| |
| − | |0-areole coloration=gray;dark redbrown;white
| |
| − | |0-areole course=curved
| |
| − | |0-areole fragility or size=stout
| |
| − | |0-areole length=longest
| |
| − | |0-areole life cycle=aging
| |
| − | |0-areole orientation=spreading
| |
| − | |0-areole some measurement=0mm;70mm
| |
| − | |2n chromosome count=44
| |
| − | |anther coloration=pale-yellow
| |
| − | |areole count=20;30
| |
| − | |areole diameter=5mm;6mm
| |
| − | |areole shape=subcircular;oblong
| |
| − | |basal portion coloration=red
| |
| − | |base coloration=red
| |
| − | |distal areole some measurement=0mm;25mm
| |
| − | |filament coloration=yellow
| |
| − | |fruit coloration=yellow;red
| |
| − | |fruit condition or texture=dry
| |
| − | |fruit length=28mm;32mm
| |
| − | |fruit life cycle=proliferating
| |
| − | |fruit pubescence=glabrous
| |
| − | |fruit relief=tuberculate
| |
| − | |fruit reproduction=sterile
| |
| − | |fruit shape=ovoid;obconic
| |
| − | |fruit texture=fleshy
| |
| − | |fruit width=13mm;22mm
| |
| − | |girdle prominence=protruding
| |
| − | |glochid arrangement=spaced
| |
| − | |glochid coloration=yellow
| |
| − | |glochid some measurement=0mm;4mm
| |
| − | |inner tepal coloration=yellow
| |
| − | |inner tepal depth=deep
| |
| − | |inner tepal some measurement=0mm;35mm
| |
| − | |seed coloration=tan
| |
| − | |seed count=few
| |
| − | |seed diameter=4mm;5mm
| |
| − | |seed shape=subcircular;irregularly-shaped
| |
| − | |shrub orientation=erect
| |
| − | |shrub some measurement=0m;1.5m
| |
| − | |spine atypical count=5;8
| |
| − | |spine coloration=white;redbrown
| |
| − | |spine count=1;4
| |
| − | |stem segment coloration=green
| |
| − | |stem segment coloration or density=purple
| |
| − | |stem segment fusion=detached
| |
| − | |stem segment length=10cm;25cm
| |
| − | |stem segment pubescence=glaucous;glabrous
| |
| − | |stem segment relief=tuberculate
| |
| − | |stem segment shape=obovate;ovate
| |
| − | |stem segment width=7.5cm;11cm
| |
| − | |stigma lobe coloration=yellow-green
| |
| − | |style coloration=cream
| |
| − | |tip coloration=pale
| |
| − | |tree orientation=erect
| |
| − | |tree size=small
| |
| − | |tree some measurement=0m;1.5m
| |
| − | |wool coloration=blackish;tan
| |
| − | |wool life cycle=aging
| |
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| | -->[[Category:Treatment]][[Category:Opuntia]] | | -->[[Category:Treatment]][[Category:Opuntia]] |
Shrubs or small trees, erect, to 1.5 m. Stem segments not easily detached, green, often purple near areoles, flattened, obovate to ovate, 10–25 × 7.5–11 cm, ± tuberculate, glabrous, glaucous; areoles 4–5 per diagonal row across midstem segment, subcircular to oblong, 5–6 mm diam.; wool tan, aging blackish. Spines 1–5(–8) per areole, at most areoles, spreading, white with red base, becoming dark red-brown with pale tips, aging gray, stout, usually curved, elliptic in cross section, longest to 70 mm. Glochids closely spaced in crescent at adaxial edge of areole, along margins of areoles, and in subapical tuft, yellow, to 4 mm. Flowers: inner tepals deep yellow with red basal portions, to 35 mm; filaments yellow; anthers pale yellow; style cream; stigma lobes yellow-green. Fruits often sterile, sometimes proliferating, yellow to red, ovoid to obconic, 28–32 × 13–22 mm, usually fleshy, becoming dry, tuberculate, glabrous; areoles 20–30, distal areoles bearing 1–4 red-brown and white spines, to 25 mm. Seeds few, tan, subcircular to irregularly shaped, 4–5 mm diam.; girdle protruding to 1 mm. 2n = 44.
Phenology: Flowering spring (Apr–May).
Habitat: Limestone hills, slopes
Elevation: 900 m
Discussion
Opuntia ×spinosibacca apparently originated from hybridization between the dry-fruited, diploid O. aureispina and the fleshy-fruited, hexaploid O. phaeacantha (or O. camanchica Engelmann & J. M. Bigelow). The nothospecies is restricted to the vicinity of Big Bend National Park, Texas. A very similar hybrid, O. ×rooneyi M. P. Griffith (O. aureispina × O. macrocentra, both diploids) is known fom the same region. The hybrids differ in spine number and distribution. Opuntia ×rooneyi has 2–3 central spines to 40–50 mm and 1–4 radial spines to 20 mm, the spines concentrated in the distal 2/3 of the stem segments. Opuntia ×spinosibacca has 2–5 central spines to 70 mm and 0 radial spines, the spines in nearly all areoles of the stem segments.
Selected References
None.
