Difference between revisions of "Opuntia fragilis"
Suppl. Pl. Succ., 82. 1819.
Common names: Brittle pricklypear little pricklypear
Endemic
Basionym: Cactus fragilis Nuttall Gen. N. Amer. Pl. 1: 296. 1818
Synonyms: Opuntia brachyarthra Engelmann & J. M. Bigelow Opuntia fragilis var. brach yarthra (Engelmann & J. M. Bigelow) J. M. Coulter
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|common_names=Brittle pricklypear;little pricklypear | |common_names=Brittle pricklypear;little pricklypear | ||
| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Cactus fragilis | |name=Cactus fragilis | ||
|authority=Nuttall | |authority=Nuttall | ||
| + | |rank=species | ||
| + | |publication_title=Gen. N. Amer. Pl. | ||
| + | |publication_place=1: 296. 1818 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Opuntia brachyarthra | |name=Opuntia brachyarthra | ||
|authority=Engelmann & J. M. Bigelow | |authority=Engelmann & J. M. Bigelow | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=species |
| + | }} {{Treatment/ID/Synonym | ||
|name=Opuntia fragilis var. brach | |name=Opuntia fragilis var. brach | ||
|authority=yarthra (Engelmann & J. M. Bigelow) J. M. Coulter | |authority=yarthra (Engelmann & J. M. Bigelow) J. M. Coulter | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Cactaceae;Cactaceae subfam. Opuntioideae;Opuntia;Opuntia fragilis | |hierarchy=Cactaceae;Cactaceae subfam. Opuntioideae;Opuntia;Opuntia fragilis | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Shrubs,</b> low, forming mats, 2–10 cm. <b>Stem</b> segments easily detached when terminal, dark green, subspheric to subcylindric, to flattened and elliptic obovate, (1.5–)2–5.5 × (1–)1.5–3 cm, low tuberculate (pronounced when dried), glabrous; areoles 3–5 per diagonal row across midstem segment, oval, 3 × 2.5 mm; wool white. <b>Spines</b> 3–8 per areole, in most areoles spreading, gray with brown tips, straight, ± acicular, terete, the longest 8–24 mm; depressed spines at base of areoles 0–3, 1–3 mm. <b>Glochids</b> in crescent at adaxial margin of areole, tan to brown, inconspicuous, to 3 mm. <b>Flowers</b>: inner tepals yellow, sometimes basally red, 20–26 mm; filaments white or red; anthers yellow; style white; stigma lobes green. <b>Fruits</b> tan, 10–30 × 8–15 mm, dry, glabrous; areoles 12–22, distal areoles bearing 1–6 short spines. <b>Seeds</b> tan to gray, flattened, warped, oblong to subcircular, 5–6 mm diam.; girdle protruding 1–1.5 mm. <b>2n</b> = 66.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
| + | |phenology=Flowering summer (late Jun-early Jul). | ||
|habitat=Barren areas in grasslands, woodlands, sandy or gravelly soils, on outcrops of granite, limestone, or quartzite | |habitat=Barren areas in grasslands, woodlands, sandy or gravelly soils, on outcrops of granite, limestone, or quartzite | ||
|elevation=0-2400 m | |elevation=0-2400 m | ||
|distribution=Alta.;B.C.;Man.;Ont.;Sask.;Ariz.;Calif.;Colo.;Idaho;Ill.;Iowa;Kans.;Mich. ;Minn.;Mont.;Nebr.;N.Mex.;N.Dak.;Okla.;Oreg.;S.Dak.;Tex.;Utah;Wash.;Wis.;Wyo. | |distribution=Alta.;B.C.;Man.;Ont.;Sask.;Ariz.;Calif.;Colo.;Idaho;Ill.;Iowa;Kans.;Mich. ;Minn.;Mont.;Nebr.;N.Mex.;N.Dak.;Okla.;Oreg.;S.Dak.;Tex.;Utah;Wash.;Wis.;Wyo. | ||
| − | |discussion=<p>Opuntia fragilis is a widespread, though inconspicuous, species; in many places, it flowers infrequently, if at all. Its easily detached stem segments are dispersed by animals and possibly water.</p> | + | |discussion=<p><i>Opuntia fragilis</i> is a widespread, though inconspicuous, species; in many places, it flowers infrequently, if at all. Its easily detached stem segments are dispersed by animals and possibly water.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Opuntia fragilis | name=Opuntia fragilis | ||
| − | |||
|authority=(Nuttall) Haworth | |authority=(Nuttall) Haworth | ||
|rank=species | |rank=species | ||
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|basionyms=Cactus fragilis | |basionyms=Cactus fragilis | ||
|family=Cactaceae | |family=Cactaceae | ||
| + | |phenology=Flowering summer (late Jun-early Jul). | ||
|habitat=Barren areas in grasslands, woodlands, sandy or gravelly soils, on outcrops of granite, limestone, or quartzite | |habitat=Barren areas in grasslands, woodlands, sandy or gravelly soils, on outcrops of granite, limestone, or quartzite | ||
|elevation=0-2400 m | |elevation=0-2400 m | ||
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|publication title=Suppl. Pl. Succ., | |publication title=Suppl. Pl. Succ., | ||
|publication year=1819 | |publication year=1819 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_281.xml |
|subfamily=Cactaceae subfam. Opuntioideae | |subfamily=Cactaceae subfam. Opuntioideae | ||
|genus=Opuntia | |genus=Opuntia | ||
|species=Opuntia fragilis | |species=Opuntia fragilis | ||
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-->[[Category:Treatment]][[Category:Opuntia]] | -->[[Category:Treatment]][[Category:Opuntia]] | ||
Latest revision as of 21:57, 5 November 2020
Shrubs, low, forming mats, 2–10 cm. Stem segments easily detached when terminal, dark green, subspheric to subcylindric, to flattened and elliptic obovate, (1.5–)2–5.5 × (1–)1.5–3 cm, low tuberculate (pronounced when dried), glabrous; areoles 3–5 per diagonal row across midstem segment, oval, 3 × 2.5 mm; wool white. Spines 3–8 per areole, in most areoles spreading, gray with brown tips, straight, ± acicular, terete, the longest 8–24 mm; depressed spines at base of areoles 0–3, 1–3 mm. Glochids in crescent at adaxial margin of areole, tan to brown, inconspicuous, to 3 mm. Flowers: inner tepals yellow, sometimes basally red, 20–26 mm; filaments white or red; anthers yellow; style white; stigma lobes green. Fruits tan, 10–30 × 8–15 mm, dry, glabrous; areoles 12–22, distal areoles bearing 1–6 short spines. Seeds tan to gray, flattened, warped, oblong to subcircular, 5–6 mm diam.; girdle protruding 1–1.5 mm. 2n = 66.
Phenology: Flowering summer (late Jun-early Jul).
Habitat: Barren areas in grasslands, woodlands, sandy or gravelly soils, on outcrops of granite, limestone, or quartzite
Elevation: 0-2400 m
Distribution
Alta., B.C., Man., Ont., Sask., Ariz., Calif., Colo., Idaho, Ill., Iowa, Kans., Mich., Minn., Mont., Nebr., N.Mex., N.Dak., Okla., Oreg., S.Dak., Tex., Utah, Wash., Wis., Wyo.
Discussion
Opuntia fragilis is a widespread, though inconspicuous, species; in many places, it flowers infrequently, if at all. Its easily detached stem segments are dispersed by animals and possibly water.
Selected References
None.
Lower Taxa
None.