Difference between revisions of "Opuntia polyacantha var. arenaria"

(Engelmann) B. D. Parfitt

Cact. Succ. J. (Los Angeles) 70: 188. 1998.

Common names: Sand pricklypear
Basionym: Opuntia arenaria Engelmann
Treatment appears in FNA Volume 4. Treatment on page 147.
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--><span class="statement" id="st-d0_s0" data-properties="stem segment shape;stem segment length;stem segment atypical width;stem segment width"><b>Stem </b>segments narrowly obovate, 4–7 × 2–3 (–5) cm;</span> <span class="statement" id="st-d0_s1" data-properties="areole count;areole some measurement;areole arrangement">areoles 4–6 per diagonal row across midstem segment, 8–11 mm apart.</span> <span class="statement" id="st-d0_s2" data-properties="kind count;spine size;spine count;spine orientation;spine orientation;spine orientation;spine coloration;spine length;spine some measurement;areole position or shape;areole count"><b>Spines </b>in most areoles, of 2 kinds: major spines 1–3 per areole, only in distal 3–9 areoles, reflexed to porrect, brown, longest 20–40 mm;</span> <span class="statement" id="st-d0_s3" data-properties="kind count;minor spine count;minor spine orientation;minor spine coloration;minor spine some measurement;middle spine some measurement">minor spines 5–7 per areole, strongly deflexed, white, 4–7 mm, except middle one to 14 mm.</span> <span class="statement" id="st-d0_s4" data-properties="fruit size"><b>Fruits </b>slender;</span> <span class="statement" id="st-d0_s5" data-properties="areole count;areole some measurement;spine count;2n chromosome count">areoles 10–14, bearing 3–6 spines, to 8 mm. <b>2n</b> = 22.</span><!--
+
--><span class="statement" id="st-undefined" data-properties=""><b>Stem </b>segments narrowly obovate, 4–7 × 2–3(–5) cm; areoles 4–6 per diagonal row across midstem segment, 8–11 mm apart. <b>Spines</b> in most areoles, of 2 kinds: major spines 1–3 per areole, only in distal 3–9 areoles, reflexed to porrect, brown, longest 20–40 mm; minor spines 5–7 per areole, strongly deflexed, white, 4–7 mm, except middle one to 14 mm. <b>Fruits</b> slender; areoles 10–14, bearing 3–6 spines, to 8 mm. <b>2n</b> = 22.</span><!--
  
 
-->{{Treatment/Body
 
-->{{Treatment/Body
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|phenology=Flowering late spring.
 
|habitat=Sandy barren areas, small dunes
 
|habitat=Sandy barren areas, small dunes
 
|elevation=1000-1300 m
 
|elevation=1000-1300 m
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|basionyms=Opuntia arenaria
 
|basionyms=Opuntia arenaria
 
|family=Cactaceae
 
|family=Cactaceae
 +
|phenology=Flowering late spring.
 
|habitat=Sandy barren areas, small dunes
 
|habitat=Sandy barren areas, small dunes
 
|elevation=1000-1300 m
 
|elevation=1000-1300 m
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|publication year=1998
 
|publication year=1998
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V4/V4_285.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V4/V4_285.xml
 
|subfamily=Cactaceae subfam. Opuntioideae
 
|subfamily=Cactaceae subfam. Opuntioideae
 
|genus=Opuntia
 
|genus=Opuntia
 
|species=Opuntia polyacantha
 
|species=Opuntia polyacantha
 
|variety=Opuntia polyacantha var. arenaria
 
|variety=Opuntia polyacantha var. arenaria
|2n chromosome count=22
 
|areole arrangement=apart
 
|areole count=10;14
 
|areole position or shape=distal
 
|areole some measurement=0mm;8mm
 
|fruit size=slender
 
|kind count=2;2
 
|middle spine some measurement=1mm;14mm
 
|minor spine coloration=white
 
|minor spine count=5;7
 
|minor spine orientation=deflexed
 
|minor spine some measurement=4mm;7mm
 
|spine coloration=brown
 
|spine count=3;6
 
|spine length=longest
 
|spine orientation=reflexed;porrect
 
|spine size=major
 
|spine some measurement=20mm;40mm
 
|stem segment atypical width=3cm;5cm
 
|stem segment length=4cm;7cm
 
|stem segment shape=obovate
 
|stem segment width=2cm;3cm
 
 
}}<!--
 
}}<!--
  
 
-->[[Category:Treatment]][[Category:Opuntia polyacantha]]
 
-->[[Category:Treatment]][[Category:Opuntia polyacantha]]

Revision as of 14:03, 27 July 2019

Stem segments narrowly obovate, 4–7 × 2–3(–5) cm; areoles 4–6 per diagonal row across midstem segment, 8–11 mm apart. Spines in most areoles, of 2 kinds: major spines 1–3 per areole, only in distal 3–9 areoles, reflexed to porrect, brown, longest 20–40 mm; minor spines 5–7 per areole, strongly deflexed, white, 4–7 mm, except middle one to 14 mm. Fruits slender; areoles 10–14, bearing 3–6 spines, to 8 mm. 2n = 22.


Phenology: Flowering late spring.
Habitat: Sandy barren areas, small dunes
Elevation: 1000-1300 m

Distribution

V4 285-distribution-map.gif

N.Mex., Tex., Mexico (Chihuahua).

Discussion

Of conservation concern.

Selected References

None.

Lower Taxa

None.