familyCactaceae
subfamilyCactaceae subfam. Cactoideae
genusAcanthocereus
speciesAcanthocereus tetragonus
Difference between revisions of "Acanthocereus tetragonus"
Succulenta (Netherlands) 20: 165. 1938.
Common names: Barbed-wire cactus triangle cactus chaco
Illustrated
Basionym: Cactus tetragonus Linnaeus Sp. Pl. 1: 466. 1753
Synonyms: Acanthocereus floridanus Small ex Britton & Rose Acanthocereus pentagonus (Linnaeus) Britton & Rose Cereus pentagonus (Linnaeus) Haworth Cereus tetragonus (Linnaeus) Miller
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|common_names=Barbed-wire cactus;triangle cactus;chaco | |common_names=Barbed-wire cactus;triangle cactus;chaco | ||
| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Cactus tetragonus | |name=Cactus tetragonus | ||
|authority=Linnaeus | |authority=Linnaeus | ||
| + | |rank=species | ||
| + | |publication_title=Sp. Pl. | ||
| + | |publication_place=1: 466. 1753 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Acanthocereus floridanus | |name=Acanthocereus floridanus | ||
|authority=Small ex Britton & Rose | |authority=Small ex Britton & Rose | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=species |
| + | }} {{Treatment/ID/Synonym | ||
|name=Acanthocereus pentagonus | |name=Acanthocereus pentagonus | ||
|authority=(Linnaeus) Britton & Rose | |authority=(Linnaeus) Britton & Rose | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=species |
| + | }} {{Treatment/ID/Synonym | ||
|name=Cereus pentagonus | |name=Cereus pentagonus | ||
|authority=(Linnaeus) Haworth | |authority=(Linnaeus) Haworth | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=species |
| + | }} {{Treatment/ID/Synonym | ||
|name=Cereus tetragonus | |name=Cereus tetragonus | ||
|authority=(Linnaeus) Miller | |authority=(Linnaeus) Miller | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Cactaceae;Cactaceae subfam. Cactoideae;Acanthocereus;Acanthocereus tetragonus | |hierarchy=Cactaceae;Cactaceae subfam. Cactoideae;Acanthocereus;Acanthocereus tetragonus | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Shrubs,</b> clambering or arching-reclining, branched near base, sometimes with well-developed trunks. <b>Stems</b> dark green, growing to 200 cm per season; ribs from base to rib crest 3–5 cm, less than 1 cm thick. <b>Spines</b> abruptly thickened at base, extremely variable. <b>Flowers</b> 14–20 cm; flower tube 8–15 cm, ± tuberculate, areoles few, usually 1 spine per areole; outer tepals narrowly lanceolate to linear, 3.5–4 cm, apex acuminate; inner tepals broadly linear, 3.5–4.5 cm, apex acuminate; ovary with small scales and usually 3–5 diverging spines per areole. <b>Fruits</b> bright red, ovoid to oblong, 30–80(–100) mm, slightly tuberculate, shiny, edible, sweet. <b>2n</b> = 22 [as A. pentagonus (Linnaeus) Britton & Rose].</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
| + | |phenology=Flowering mid summer–fall. | ||
|habitat=Sandy soils of dense thickets, hammocks, bottomlands of coastal areas | |habitat=Sandy soils of dense thickets, hammocks, bottomlands of coastal areas | ||
|elevation=0-10 m | |elevation=0-10 m | ||
|distribution=Fla.;Tex.;Mexico;West Indies;Central America;n South America;introduced Pacific Islands (Hawaii). | |distribution=Fla.;Tex.;Mexico;West Indies;Central America;n South America;introduced Pacific Islands (Hawaii). | ||
| − | |discussion=<p>The Florida populations have been called Acanthocereus floridanus but now appear to be the northernmost variants of the highly variable species A. tetragonus, which occurs throughout the Caribbean region (D. R. Hunt 1991).</p><!-- | + | |discussion=<p>The Florida populations have been called <i>Acanthocereus</i> floridanus but now appear to be the northernmost variants of the highly variable species <i>A. tetragonus</i>, which occurs throughout the Caribbean region (D. R. Hunt 1991).</p><!-- |
--><p>The common name “triangle cactus” refers to the mature stems in cross section; the epithet “tetragonus” alludes to the juvenile stems, which often have four angles.</p> | --><p>The common name “triangle cactus” refers to the mature stems in cross section; the epithet “tetragonus” alludes to the juvenile stems, which often have four angles.</p> | ||
|tables= | |tables= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Acanthocereus tetragonus | name=Acanthocereus tetragonus | ||
| − | |||
|authority=(Linnaeus) Hummelinck | |authority=(Linnaeus) Hummelinck | ||
|rank=species | |rank=species | ||
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|basionyms=Cactus tetragonus | |basionyms=Cactus tetragonus | ||
|family=Cactaceae | |family=Cactaceae | ||
| + | |phenology=Flowering mid summer–fall. | ||
|habitat=Sandy soils of dense thickets, hammocks, bottomlands of coastal areas | |habitat=Sandy soils of dense thickets, hammocks, bottomlands of coastal areas | ||
|elevation=0-10 m | |elevation=0-10 m | ||
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|publication title=Succulenta (Netherlands) | |publication title=Succulenta (Netherlands) | ||
|publication year=1938 | |publication year=1938 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V4/V4_299.xml |
|subfamily=Cactaceae subfam. Cactoideae | |subfamily=Cactaceae subfam. Cactoideae | ||
|genus=Acanthocereus | |genus=Acanthocereus | ||
|species=Acanthocereus tetragonus | |species=Acanthocereus tetragonus | ||
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Revision as of 00:14, 28 May 2020
Shrubs, clambering or arching-reclining, branched near base, sometimes with well-developed trunks. Stems dark green, growing to 200 cm per season; ribs from base to rib crest 3–5 cm, less than 1 cm thick. Spines abruptly thickened at base, extremely variable. Flowers 14–20 cm; flower tube 8–15 cm, ± tuberculate, areoles few, usually 1 spine per areole; outer tepals narrowly lanceolate to linear, 3.5–4 cm, apex acuminate; inner tepals broadly linear, 3.5–4.5 cm, apex acuminate; ovary with small scales and usually 3–5 diverging spines per areole. Fruits bright red, ovoid to oblong, 30–80(–100) mm, slightly tuberculate, shiny, edible, sweet. 2n = 22 [as A. pentagonus (Linnaeus) Britton & Rose].
Phenology: Flowering mid summer–fall.
Habitat: Sandy soils of dense thickets, hammocks, bottomlands of coastal areas
Elevation: 0-10 m
Distribution
Fla., Tex., Mexico, West Indies, Central America, n South America, introduced Pacific Islands (Hawaii).
Discussion
The Florida populations have been called Acanthocereus floridanus but now appear to be the northernmost variants of the highly variable species A. tetragonus, which occurs throughout the Caribbean region (D. R. Hunt 1991).
The common name “triangle cactus” refers to the mature stems in cross section; the epithet “tetragonus” alludes to the juvenile stems, which often have four angles.
Selected References
None.
Lower Taxa
None.