Sclerocactus: Difference between revisions

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Describe the plant here...
'''''Sclerocactus''''' ("hard [[cactus]]", from [[Greek language|Greek]]; refers to the hard, dry fruit) is a [[genus]] of [[cactus|cacti]]. It comprises about 15 species, the exact number depending on the authority.
These species are very [[xerophytic]]. They are sometimes called 'fishhook cactus' or 'little barrels'.
 
They are ovoid to elongate cylindric, have rigid stems with [[tubercules]] that are ± coalesced into ribs, and are ± covered with spines that come out of the [[aeroles]].<ref name='fna'>Sclerocactus. Flora of North America Online. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=129764.  Accessed 17 December 2007.</ref> Most species have at least one hooked spine at each areole. Less often, species may not have hooks. These plants are found in higher elevation deserts such as on the [[Colorado Plateau]], or in the [[Mohave Desert]] or the [[Great Basin]]. They are well suited to extremes due to lack of rainfall, hot summers and below freezing winters.
 
''S. parviflorus'' is the most common species; its flowers are usually pink, but are yellow in a few areas (see photo) or, rarely, white or intermediate shades. ''S. polyancistrus'' is the ‘giant’ of the [[genus]]. Some species are quite rare and need considerable further study.  


==Cultivation==
==Cultivation==
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==Varieties==
==Species==
*''[[Sclerocactus blainei]]''
*''[[Sclerocactus brevispinus]]''
*''[[Sclerocactus cloverae]]''
*''[[Sclerocactus glaucus]]''
*''[[Sclerocactus mesae-verdae]]''
*''[[Sclerocactus nyensis]]''
*''[[Sclerocactus papyracanthus]]''
*''[[Sclerocactus parviflorus]]''
*''[[Sclerocactus polyancistrus]]''
*''[[Sclerocactus pubispinus]]''
*''[[Sclerocactus scheeri]]''
*''[[Sclerocactus sileri]]''
*''[[Sclerocactus spinosior]]''
*''[[Sclerocactus uncinatus]]''
*''[[Sclerocactus wetlandicus]]''
*''[[Sclerocactus whipplei]]''
*''[[Sclerocactus wrightiae]]''


The following genera have been brought into synonymy with ''Sclerocactus'' and this is commonly accepted:
*''Coloradoa'' <small>[[Boissev.]] & [[C.Davidson]]</small>
*''Toumeya'' <small>[[Nathaniel Lord Britton|Britton]] & [[Joseph Nelson Rose|Rose]]</small>


==Gallery==
==Gallery==

Latest revision as of 17:49, 24 May 2010

 Sclerocactus subsp. var.  
The query description has an empty condition.: cacti-succulent
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Width: ⇔ The wikipage input value is empty (e.g. <code>SomeProperty::, [[]]</code>) and therefore it cannot be used as a name or as part of a query condition. to The wikipage input value is empty (e.g. <code>SomeProperty::, [[]]</code>) and therefore it cannot be used as a name or as part of a query condition.
The query description has an empty condition.: ⌛ perennial
Origin: ✈
Poisonous: ☠
Bloom: ❀
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Features: ✓ flowers
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Minimum Temp: ☃ °F
USDA Zones: to
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Flower features: ❀
Cactaceae > Sclerocactus var. ,


If this plant info box on watering; zones; height; etc. is mostly empty you can click on the edit tab and fill in the blanks!


Sclerocactus ("hard cactus", from Greek; refers to the hard, dry fruit) is a genus of cacti. It comprises about 15 species, the exact number depending on the authority. These species are very xerophytic. They are sometimes called 'fishhook cactus' or 'little barrels'.

They are ovoid to elongate cylindric, have rigid stems with tubercules that are ± coalesced into ribs, and are ± covered with spines that come out of the aeroles.[1] Most species have at least one hooked spine at each areole. Less often, species may not have hooks. These plants are found in higher elevation deserts such as on the Colorado Plateau, or in the Mohave Desert or the Great Basin. They are well suited to extremes due to lack of rainfall, hot summers and below freezing winters.

S. parviflorus is the most common species; its flowers are usually pink, but are yellow in a few areas (see photo) or, rarely, white or intermediate shades. S. polyancistrus is the ‘giant’ of the genus. Some species are quite rare and need considerable further study.

Cultivation

Propagation

Pests and diseases

Species

The following genera have been brought into synonymy with Sclerocactus and this is commonly accepted:

Gallery

  • photo 1
    photo 1
  • photo 2
    photo 2
  • photo 3
    photo 3

References

  1. ↑ Sclerocactus. Flora of North America Online. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=129764. Accessed 17 December 2007.

External links


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