Difference between revisions of "Opuntia polyacantha var. arenaria"
Cact. Succ. J. (Los Angeles) 70: 188. 1998.
Common names: Sand pricklypear
Conservation concern
Basionym: Opuntia arenaria Engelmann Proc. Amer. Acad. Arts 3: 301. 1856
Treatment appears in FNA Volume 4. Treatment on page 147.
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|common_names=Sand pricklypear | |common_names=Sand pricklypear | ||
| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=C | ||
| + | |label=Conservation concern | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Opuntia arenaria | |name=Opuntia arenaria | ||
|authority=Engelmann | |authority=Engelmann | ||
| + | |rank=species | ||
| + | |publication_title=Proc. Amer. Acad. Arts | ||
| + | |publication_place=3: 301. 1856 | ||
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name=Opuntia polyacantha var. arenaria | name=Opuntia polyacantha var. arenaria | ||
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|authority=(Engelmann) B. D. Parfitt | |authority=(Engelmann) B. D. Parfitt | ||
|rank=variety | |rank=variety | ||
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|publication title=Cact. Succ. J. (Los Angeles) | |publication title=Cact. Succ. J. (Los Angeles) | ||
|publication year=1998 | |publication year=1998 | ||
| − | |special status= | + | |special status=Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_285.xml |
|subfamily=Cactaceae subfam. Opuntioideae | |subfamily=Cactaceae subfam. Opuntioideae | ||
|genus=Opuntia | |genus=Opuntia | ||
Latest revision as of 21:57, 5 November 2020
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
N.Mex., Tex., Mexico (Chihuahua).
Discussion
Of conservation concern.
Selected References
None.
Lower Taxa
None.