Difference between revisions of "Opuntia aureispina"
J. Arizona-Nevada Acad. Sci. 33: 150. 2001.
Basionym: Opuntia macrocentra var. aureispina S. Brack & K. D. Heil Cact. Succ. J. (Los Angeles) 60: 17, fig. 4. 1988
Treatment appears in FNA Volume 4. Mentioned on page 143.
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|name=Opuntia macrocentra var. aureispina | |name=Opuntia macrocentra var. aureispina | ||
|authority=S. Brack & K. D. Heil | |authority=S. Brack & K. D. Heil | ||
| + | |rank=variety | ||
| + | |publication_title=Cact. Succ. J. (Los Angeles) | ||
| + | |publication_place=60: 17, fig. 4. 1988 | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>or trees, with short spiny trunks, erect, to 1(–1.5) m. <b>Stem</b> segments not disarticulating, light blue-green to yellow-green, flattened, circular to obovate, 8–12 × 8–12 cm, glaucous, ± tuberculate, glabrous; areoles 6–8 per diagonal row across midstem segment, oblong, 4–5 × 1–3 mm; wool brown to blackish. <b>Spines</b> usually 4–12 per areole, evenly distributed on stem segments, spreading, bright yellow to orange, red-brown at extreme base, aging tan to blackish, not chalky white, acicular; major spines (1–)3–5(–6) per areole, sometimes flattened and/or curved, 20–60 mm; smaller spines 1–7 per areole, slender, to 20 mm. <b>Glochids</b> well spaced in very narrow row encircling areole, subapical tuft not or poorly developed, yellow, unequal in length, to 5 mm. <b>Flowers</b>: inner tepals yellow with orange to red bases, obovate, 30–40 mm; filament yellow to pale green; anthers pale yellow; style yellow, sometimes basally pinkish; stigma lobes green. <b>Fruits</b> green to reddish, turning tan, burlike, 30–40 × 20–25 mm, beginning fleshy, quickly drying, glabrous, bearing several rigid, yellow spines; areoles 12–25. <b>Seeds</b> tan, flattened, irregular in outline, 3–6 mm diam.; girdle protruding to 1 mm. <b>2n</b> = 22.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
| + | |phenology=Flowering spring (May). | ||
|habitat=Limestone desert flats, low hills | |habitat=Limestone desert flats, low hills | ||
|elevation=500-600 m | |elevation=500-600 m | ||
|distribution=Tex.;Mexico (Coahuila). | |distribution=Tex.;Mexico (Coahuila). | ||
| − | |discussion=<p>Opuntia aureispina hybridizes with O. phaeacantha (= O. ×spinosibacca M. S. Anthony) and O. macrocentra (= O. ×rooneyi M. P. Griffith).</p> | + | |discussion=<p><i>Opuntia aureispina</i> hybridizes with <i>O. phaeacantha</i> (= <i>O. ×spinosibacca</i> M. S. Anthony) and <i>O. macrocentra</i> (= O. ×rooneyi M. P. Griffith).</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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name=Opuntia aureispina | name=Opuntia aureispina | ||
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|authority=(S. Brack & K. D. Heil) Pinkava & B. D. Parfitt | |authority=(S. Brack & K. D. Heil) Pinkava & B. D. Parfitt | ||
|rank=species | |rank=species | ||
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|basionyms=Opuntia macrocentra var. aureispina | |basionyms=Opuntia macrocentra var. aureispina | ||
|family=Cactaceae | |family=Cactaceae | ||
| + | |phenology=Flowering spring (May). | ||
|habitat=Limestone desert flats, low hills | |habitat=Limestone desert flats, low hills | ||
|elevation=500-600 m | |elevation=500-600 m | ||
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|publication year=2001 | |publication year=2001 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_273.xml |
|subfamily=Cactaceae subfam. Opuntioideae | |subfamily=Cactaceae subfam. Opuntioideae | ||
|genus=Opuntia | |genus=Opuntia | ||
|species=Opuntia aureispina | |species=Opuntia aureispina | ||
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-->[[Category:Treatment]][[Category:Opuntia]] | -->[[Category:Treatment]][[Category:Opuntia]] | ||
Latest revision as of 21:57, 5 November 2020
Shrubs or trees, with short spiny trunks, erect, to 1(–1.5) m. Stem segments not disarticulating, light blue-green to yellow-green, flattened, circular to obovate, 8–12 × 8–12 cm, glaucous, ± tuberculate, glabrous; areoles 6–8 per diagonal row across midstem segment, oblong, 4–5 × 1–3 mm; wool brown to blackish. Spines usually 4–12 per areole, evenly distributed on stem segments, spreading, bright yellow to orange, red-brown at extreme base, aging tan to blackish, not chalky white, acicular; major spines (1–)3–5(–6) per areole, sometimes flattened and/or curved, 20–60 mm; smaller spines 1–7 per areole, slender, to 20 mm. Glochids well spaced in very narrow row encircling areole, subapical tuft not or poorly developed, yellow, unequal in length, to 5 mm. Flowers: inner tepals yellow with orange to red bases, obovate, 30–40 mm; filament yellow to pale green; anthers pale yellow; style yellow, sometimes basally pinkish; stigma lobes green. Fruits green to reddish, turning tan, burlike, 30–40 × 20–25 mm, beginning fleshy, quickly drying, glabrous, bearing several rigid, yellow spines; areoles 12–25. Seeds tan, flattened, irregular in outline, 3–6 mm diam.; girdle protruding to 1 mm. 2n = 22.
Phenology: Flowering spring (May).
Habitat: Limestone desert flats, low hills
Elevation: 500-600 m
Distribution
Tex., Mexico (Coahuila).
Discussion
Opuntia aureispina hybridizes with O. phaeacantha (= O. ×spinosibacca M. S. Anthony) and O. macrocentra (= O. ×rooneyi M. P. Griffith).
Selected References
None.
Lower Taxa
None.