Difference between revisions of "Grusonia clavata"
Phytologia 26: 176. 1973.
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|common_names=Club-c holla | |common_names=Club-c holla | ||
| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Opuntia clavata | |name=Opuntia clavata | ||
|authority=Engelmann | |authority=Engelmann | ||
| + | |rank=species | ||
| + | |publication_title=in F. A. Wislizenus, Mem. Tour N. Mexico, | ||
| + | |publication_place=95. 1848 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Cactus clavatus | |name=Cactus clavatus | ||
|authority=(Engelmann) Lemaire | |authority=(Engelmann) Lemaire | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Corynopuntia clavata | |name=Corynopuntia clavata | ||
|authority=(Engelmann) F. M. Knuth | |authority=(Engelmann) F. M. Knuth | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Cactaceae;Cactaceae subfam. Opuntioideae;Grusonia;Grusonia clavata | |hierarchy=Cactaceae;Cactaceae subfam. Opuntioideae;Grusonia;Grusonia clavata | ||
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name=Grusonia clavata | name=Grusonia clavata | ||
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|authority=(Engelmann) H. Robinson | |authority=(Engelmann) H. Robinson | ||
|rank=species | |rank=species | ||
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|publication title=Phytologia | |publication title=Phytologia | ||
|publication year=1973 | |publication year=1973 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_235.xml |
|subfamily=Cactaceae subfam. Opuntioideae | |subfamily=Cactaceae subfam. Opuntioideae | ||
|genus=Grusonia | |genus=Grusonia | ||
Latest revision as of 22:57, 5 November 2020
Shrubs, forming mats, widely spreading, 5–15 cm, in series of usually 1–2 stem segments. Roots diffuse. Stem segments short-clavate, strongly narrowed at base, 2.5–5(–7.5) × 1.5–3 cm; tubercles prominent, oval, 5–10(–16) mm, narrow, 4–6 times longer than wide, obscured by interlacing spines; areoles 3 mm in diam.; wool white to gray. Spines 7–15 per areole, primarily in distal areoles; major 3–5 abaxial spines deflexed, white, flattened, longest central spine daggerlike, broadly tapered, 12–35 × 1.5+ mm basally; major 1–3 adaxial spines ascending, white, yellow to tan, angular-flattened to subterete. Glochids in adaxial 1/4 of areole, yellowish white, ± 4 mm. Flowers: inner tepals bright yellow, to 25 mm; filaments light yellow-green to white; style and stigma lobes white. Fruits yellow, barrel-shaped to ellipsoid, 30–45 × 15–25 mm, fleshy, spineless, densely ± yellow-glochidiate; areoles 35–55. Seeds yellowish white, 4.5 × 4 mm, smooth. 2n = 22.
Phenology: Flowering late spring (May–Jun).
Habitat: Great Plains grasslands, open pinyon-juniper woodlands, rocky or sandy soils
Elevation: 1800-2500 m
Discussion
L. D. Benson (1982) mapped “Opuntia clavata” in northeast Arizona, but no supporting specimens have been found. The report may be based on low-growing specimens of Cylindropuntia whipplei, a cholla common in that area.
Selected References
None.