Difference between revisions of "Pediocactus sileri"
Cact. Succ. J. (Los Angeles) 33: 53. 1961.
Common names: Gypsum cactus Siler’s pincushion cactus
EndemicConservation concern
Basionym: Echinocactus sileri Engelmann ex J. M. Coulter Contr. U.S. Natl. Herb. 3: 376. 1896
Synonyms: Utahia sileri (Engelmann ex J. M. Coulter) Britton & Rose
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|common_names=Gypsum cactus;Siler’s pincushion cactus | |common_names=Gypsum cactus;Siler’s pincushion cactus | ||
| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Echinocactus sileri | |name=Echinocactus sileri | ||
|authority=Engelmann ex J. M. Coulter | |authority=Engelmann ex J. M. Coulter | ||
| + | |rank=species | ||
| + | |publication_title=Contr. U.S. Natl. Herb. | ||
| + | |publication_place=3: 376. 1896 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Utahia sileri | |name=Utahia sileri | ||
|authority=(Engelmann ex J. M. Coulter) Britton & Rose | |authority=(Engelmann ex J. M. Coulter) Britton & Rose | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Cactaceae;Cactaceae subfam. Cactoideae;Pediocactus;Pediocactus sileri | |hierarchy=Cactaceae;Cactaceae subfam. Cactoideae;Pediocactus;Pediocactus sileri | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>few branched or unbranched. <b>Stems</b> depressed-ovoid or occasionally elongate-cylindric, 5–15(–25) × 6–11.5 cm; areoles circular to pyriform, villous to lanate. <b>Spines</b> distinguishable as radial and central: radial spines 11–15 per areole, white, 11–21 mm; central spines 3–7 per areole, nearly porrect, brownish black aging to pale gray or white, straight or slightly curving at tips, 13–30 × 1 mm at base. <b>Flowers</b> 0.8–2.2 × 2–3 cm; scales long fringed; outer tepals brown with white margins, long fringed, 9–15 × 3–4.5 mm; inner tepals yellow with purple veins, 15–20 × 4.5–6 mm. <b>Fruits</b> greenish yellow, short cylindric, 12–15 × 6–9 mm. <b>Seeds</b> gray to nearly black, 3.5–5 × 3–3.5 mm, papillate and rugose.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
| + | |phenology=Flowering spring. | ||
|habitat=Rounded hills in gypsum clay and sandy soils of Moenkopi Formation, Great Basin desert scrub | |habitat=Rounded hills in gypsum clay and sandy soils of Moenkopi Formation, Great Basin desert scrub | ||
|elevation=900-1600 m | |elevation=900-1600 m | ||
|distribution=Ariz.;Utah. | |distribution=Ariz.;Utah. | ||
|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
| − | --><p>Pediocactus sileri stems tend to develop a basal thatch of spines that anchor it to the fine, gypsum-rich soil. This species is endemic to a narrow strip along the Arizona-Utah border.</p> | + | --><p><i>Pediocactus sileri</i> stems tend to develop a basal thatch of spines that anchor it to the fine, gypsum-rich soil. This species is endemic to a narrow strip along the Arizona-Utah border.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Pediocactus sileri | name=Pediocactus sileri | ||
| − | |||
|authority=(Engelmann ex J. M. Coulter) L. D. Benson | |authority=(Engelmann ex J. M. Coulter) L. D. Benson | ||
|rank=species | |rank=species | ||
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|basionyms=Echinocactus sileri | |basionyms=Echinocactus sileri | ||
|family=Cactaceae | |family=Cactaceae | ||
| + | |phenology=Flowering spring. | ||
|habitat=Rounded hills in gypsum clay and sandy soils of Moenkopi Formation, Great Basin desert scrub | |habitat=Rounded hills in gypsum clay and sandy soils of Moenkopi Formation, Great Basin desert scrub | ||
|elevation=900-1600 m | |elevation=900-1600 m | ||
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|publication title=Cact. Succ. J. (Los Angeles) | |publication title=Cact. Succ. J. (Los Angeles) | ||
|publication year=1961 | |publication year=1961 | ||
| − | |special status= | + | |special status=Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_394.xml |
|subfamily=Cactaceae subfam. Cactoideae | |subfamily=Cactaceae subfam. Cactoideae | ||
|genus=Pediocactus | |genus=Pediocactus | ||
|species=Pediocactus sileri | |species=Pediocactus sileri | ||
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-->[[Category:Treatment]][[Category:Pediocactus]] | -->[[Category:Treatment]][[Category:Pediocactus]] | ||
Latest revision as of 21:58, 5 November 2020
Plants few branched or unbranched. Stems depressed-ovoid or occasionally elongate-cylindric, 5–15(–25) × 6–11.5 cm; areoles circular to pyriform, villous to lanate. Spines distinguishable as radial and central: radial spines 11–15 per areole, white, 11–21 mm; central spines 3–7 per areole, nearly porrect, brownish black aging to pale gray or white, straight or slightly curving at tips, 13–30 × 1 mm at base. Flowers 0.8–2.2 × 2–3 cm; scales long fringed; outer tepals brown with white margins, long fringed, 9–15 × 3–4.5 mm; inner tepals yellow with purple veins, 15–20 × 4.5–6 mm. Fruits greenish yellow, short cylindric, 12–15 × 6–9 mm. Seeds gray to nearly black, 3.5–5 × 3–3.5 mm, papillate and rugose.
Phenology: Flowering spring.
Habitat: Rounded hills in gypsum clay and sandy soils of Moenkopi Formation, Great Basin desert scrub
Elevation: 900-1600 m
Discussion
Of conservation concern.
Pediocactus sileri stems tend to develop a basal thatch of spines that anchor it to the fine, gypsum-rich soil. This species is endemic to a narrow strip along the Arizona-Utah border.
Selected References
None.
Lower Taxa
None.