Show Lower Taxa
Difference between revisions of "Echinocereus pectinatus"
in F. A. Wislizenus, Mem. Tour N. Mexico, 109. 1848.
Common names: Rainbow cactus
Basionym: Echinocactus pectinatus Scheidweiler Bull. Acad. Roy. Sci. Bruxelles 5: 492. 1838
Treatment appears in FNA Volume 4. Mentioned on page 163, 164.
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Echinocereus pectinatus | |accepted_name=Echinocereus pectinatus | ||
| − | |accepted_authority=(Scheidweiler) Engelmann | + | |accepted_authority=(Scheidweiler) Engelmann |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in F. A. Wislizenus, Mem. Tour N. Mexico, | |title=in F. A. Wislizenus, Mem. Tour N. Mexico, | ||
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|name=Echinocactus pectinatus | |name=Echinocactus pectinatus | ||
|authority=Scheidweiler | |authority=Scheidweiler | ||
| + | |rank=species | ||
|publication_title=Bull. Acad. Roy. Sci. Bruxelles | |publication_title=Bull. Acad. Roy. Sci. Bruxelles | ||
|publication_place=5: 492. 1838 | |publication_place=5: 492. 1838 | ||
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|distribution=Tex.;n Mexico. | |distribution=Tex.;n Mexico. | ||
|discussion=<p>Varieties 2 (1 in the flora).</p><!-- | |discussion=<p>Varieties 2 (1 in the flora).</p><!-- | ||
| − | --><p>At least in the United States, <i>Echinocereus pectinatus</i> (diploid) has only pink or purple flowers, unlike the polymorphic species <i>E. dasyacanthus</i> (tetraploid). <i>Echinocereus pectinatus</i> differs from the entire <i>E. reichenbachii</i> species group in that the areoles of its relatively thick-walled flower tube have stouter spines and much shorter hairs. Superficially similar species west of the Continental Divide, formerly associated with <i>E. pectinatus</i> (<i>E. pseudopectinatus</i>, <i>E. rigidissimus</i>, and some Sonoran species), are more closely related to the <i>E. reichenbachii</i> species group with densely bristly flower buds and delicate, ephemeral inner tepals. <i>Echinocereus pectinatus</i> var. pectinatus is endemic to Mexico; reports from the United States were misidentifications of < | + | --><p>At least in the United States, <i>Echinocereus pectinatus</i> (diploid) has only pink or purple flowers, unlike the polymorphic species <i>E. dasyacanthus</i> (tetraploid). <i>Echinocereus pectinatus</i> differs from the entire <i>E. reichenbachii</i> species group in that the areoles of its relatively thick-walled flower tube have stouter spines and much shorter hairs. Superficially similar species west of the Continental Divide, formerly associated with <i>E. pectinatus</i> (<i>E. pseudopectinatus</i>, <i>E. rigidissimus</i>, and some Sonoran species), are more closely related to the <i>E. reichenbachii</i> species group with densely bristly flower buds and delicate, ephemeral inner tepals. <i>Echinocereus pectinatus</i> var. pectinatus is endemic to Mexico; reports from the United States were misidentifications of <i></i>var.<i> wenigeri</i>, <i>E. pseudopectinatus</i> (in Arizona), and unusually short-spined plants of <i>E. dasyacanthus</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Echinocereus pectinatus | name=Echinocereus pectinatus | ||
| − | + | |authority=(Scheidweiler) Engelmann | |
| − | |authority=(Scheidweiler) Engelmann | ||
|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
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|publication year=1848 | |publication year=1848 | ||
|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_312.xml |
|subfamily=Cactaceae subfam. Cactoideae | |subfamily=Cactaceae subfam. Cactoideae | ||
|genus=Echinocereus | |genus=Echinocereus | ||
Latest revision as of 21:57, 5 November 2020
Distribution
Tex., n Mexico.
Discussion
Varieties 2 (1 in the flora).
At least in the United States, Echinocereus pectinatus (diploid) has only pink or purple flowers, unlike the polymorphic species E. dasyacanthus (tetraploid). Echinocereus pectinatus differs from the entire E. reichenbachii species group in that the areoles of its relatively thick-walled flower tube have stouter spines and much shorter hairs. Superficially similar species west of the Continental Divide, formerly associated with E. pectinatus (E. pseudopectinatus, E. rigidissimus, and some Sonoran species), are more closely related to the E. reichenbachii species group with densely bristly flower buds and delicate, ephemeral inner tepals. Echinocereus pectinatus var. pectinatus is endemic to Mexico; reports from the United States were misidentifications of var. wenigeri, E. pseudopectinatus (in Arizona), and unusually short-spined plants of E. dasyacanthus.
Selected References
None.