familyCactaceae
subfamilyCactaceae subfam. Cactoideae
genusSclerocactus
speciesSclerocactus mesae-verdae
Difference between revisions of "Sclerocactus mesae-verdae"
Cact. Succ. J. (Los Angeles) 38: 54. 1966.
Common names: Mesa Verde fishhook cactus
Basionym: Coloradoa mesae-verdae Boissevain & C. Davidson
Synonyms: Echinocactus mesae-verdae (Boissevain & C. Davidson) L. D. BensonFerocactus mesae-verdae (Boissevain & C. Davidson) N. P. TaylorPediocactus mesae-verdae (Boissevain & C. Davidson) Arp
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>usually unbranched (occasionally 2–3-branched), usually pale green, depressed-spheric to ovoid, usually 3.2–11(–18) × 3.8–8(–10) cm, somewhat glaucous; ribs 13–17, tubercles inconspicuous. <b>Spines</b> not obscuring stem, usually only radial; radial spines 7–14 per areole, spreading, straw colored, 6–13 mm, less than 1 mm diam.; central spines 0(–4) per areole (very rarely 1 abaxial central spine per areole hooked, 7–15 mm, brown). <b>Flowers</b> funnelform to campanulate, 1–3.5 × 1–3 cm; outer tepals with purple midstripes and cream or gold (rarely pink) margins, oblanceolate, 10–25 × 5–8 mm; inner tepals yellow to cream (rarely pink), oblanceolate, 15–30 × 5 mm; filaments pale yellow or white; anthers yellow. <b>Fruits</b> indehiscent to irregularly dehiscent, green, becoming tan at maturity, short cylindric, (4–)8–10 × 7–9 mm. <b>Seeds</b> black, 2.5–3 × 3–4 mm; testa cells convex but somewhat flattened apically.</span><!-- |
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| + | |phenology=Flowering late Apr-early May. | ||
|habitat=Alkaline, clay badlands, mat saltbush communities | |habitat=Alkaline, clay badlands, mat saltbush communities | ||
|elevation=1500-1700 m | |elevation=1500-1700 m | ||
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|basionyms=Coloradoa mesae-verdae | |basionyms=Coloradoa mesae-verdae | ||
|family=Cactaceae | |family=Cactaceae | ||
| + | |phenology=Flowering late Apr-early May. | ||
|habitat=Alkaline, clay badlands, mat saltbush communities | |habitat=Alkaline, clay badlands, mat saltbush communities | ||
|elevation=1500-1700 m | |elevation=1500-1700 m | ||
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|publication year=1966 | |publication year=1966 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna- | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V4/V4_379.xml |
|subfamily=Cactaceae subfam. Cactoideae | |subfamily=Cactaceae subfam. Cactoideae | ||
|genus=Sclerocactus | |genus=Sclerocactus | ||
|species=Sclerocactus mesae-verdae | |species=Sclerocactus mesae-verdae | ||
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-->[[Category:Treatment]][[Category:Sclerocactus]] | -->[[Category:Treatment]][[Category:Sclerocactus]] | ||
Revision as of 15:08, 27 July 2019
Stems usually unbranched (occasionally 2–3-branched), usually pale green, depressed-spheric to ovoid, usually 3.2–11(–18) × 3.8–8(–10) cm, somewhat glaucous; ribs 13–17, tubercles inconspicuous. Spines not obscuring stem, usually only radial; radial spines 7–14 per areole, spreading, straw colored, 6–13 mm, less than 1 mm diam.; central spines 0(–4) per areole (very rarely 1 abaxial central spine per areole hooked, 7–15 mm, brown). Flowers funnelform to campanulate, 1–3.5 × 1–3 cm; outer tepals with purple midstripes and cream or gold (rarely pink) margins, oblanceolate, 10–25 × 5–8 mm; inner tepals yellow to cream (rarely pink), oblanceolate, 15–30 × 5 mm; filaments pale yellow or white; anthers yellow. Fruits indehiscent to irregularly dehiscent, green, becoming tan at maturity, short cylindric, (4–)8–10 × 7–9 mm. Seeds black, 2.5–3 × 3–4 mm; testa cells convex but somewhat flattened apically.
Phenology: Flowering late Apr-early May.
Habitat: Alkaline, clay badlands, mat saltbush communities
Elevation: 1500-1700 m
Discussion
Of conservation concern.
Sclerocactus mesae-verdae is characterized by its relatively short radial spines and the general absence of central spines. In addition, no other Sclerocactus in Colorado or New Mexico has flowers that are cream to yellow (or pale pink).
Sclerocactus mesae-verdae is in the Center for Plant Conservation’s National Collection of Endangered Plants.
Selected References
None.
Lower Taxa
None.