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{{Short description|Species of succulent}}
{{italic title}}
{{Speciesbox
{{taxobox
|name = ''Echeveria peacockii''
|image = Echeveria peacockii.jpg
|taxon = Echeveria desmetiana
|regnum = [[Plant]]ae
|authority = De Smet
|unranked_divisio = [[Angiosperms]]
|synonyms =
|unranked_classis = [[Eudicots]]
*''Cotyledon desmetiana'' <small>(De Smet ex É.Morren) Hemsl.</small>
|unranked_ordo = [[Core eudicots]]
*''Echeveria subsessilis'' <small>Rose</small>
|ordo = [[Saxifragales]]
*''Echeveria peacockii'' <small>T.Moore</small>, nom illeg., non ''Echeveria peacockii'' <small>Croucher</small> = ''[[Dudleya pulverulenta]]'' <small>(Nutt.) Britton & Rose</small>
|familia = [[Crassulaceae]]
|synonyms_ref = <ref name = ICN/><ref name = POWO_273829-1>{{cite web |title = ''Echeveria desmetiana'' De Smet |work = Plants of the World Online |publisher = Royal Botanic Gardens, Kew|url = https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:273829-1 |access-date = 2022-03-23 }}</ref>
|genus = ''[[Echeveria]]''
⚫
}}
|species = '''''E. peacockii'''''
| binomial = ''Echeveria peacockii''
| binomial_authority = Croucher {{efn|The original publication unhelpfully refers only to a 'Mr. Croucher', who may be impossible to identify.<ref>{{cite journal |url=https://www.biodiversitylibrary.org/item/103696#page/262/mode/1up |title=New Garden Plants |first=J. G. |last=Baker |authorlink=John Gilbert Baker |journal=[[The Gardeners' Chronicle]] |volume=2 |year=1874 |page=258}}</ref>}}<ref>{{cite web|last=Tropicos.org|title=Echeveria peacockii Croucher|url=http://www.tropicos.org/Name/8901624|publisher=Missouri Botanical Garden|accessdate=1 Jul 2012}}</ref>
⚫
|}}


'''''Echeveria peacockii''''', also known as ''Echeveria desmetiana'' in Europe, is in the [[Crassulaceae]] family. It is very distinct from all other species, except for ''Echeveria subsessilis''. L. de Smet was the first grower of this plant.<ref name=Walther />
'''''Echeveria desmetiana''''', incorrectly known as '''''Echeveria peacockii''''', is a [[succulent plant]] in the family [[Crassulaceae]]. L. de Smet was the first grower of this plant.<ref name=Walther>{{cite book|last=Walther|first=Eric|title=Echeveria|year=1972|publisher=California Academy of Sciences|pages=265–266}}</ref>

== Description ==
The leaves of ''Echeveria desmetiana'' are arranged in a rosette, either on a short stem or with no visible stem. The rosette may be about 11&nbsp;cm in diameter. The leaves are widest at the base with a pointed end ([[Glossary of leaf morphology#mucronate|mucronate]]), about 4–5&nbsp;cm long, 2–3&nbsp;cm wide and about 8&nbsp;mm thick. The leaves are covered with a white to bluish bloom ([[Pruinescence|pruinose]]), and have reddish margins. The flowering stem is reddish, and may be over 30&nbsp;cm tall. The [[inflorescence]] is a cincinnus; one described specimen had 24 flowers. The individual flowers are about 11–13&nbsp;mm long with petals that are red on the outside and yellow on the inside. The petals are pressed together, with only the tips curving outwards.<ref name=ICN/>

==Taxonomy==
''Echeveria desmetiana'' was first described by De Smet in 1879.<ref name=IPNI_273829-1>{{cite web |title=''Echeveria desmetiana'' De Smet |work=[[International Plant Names Index|The International Plant Names Index]] |url=https://www.ipni.org/n/273829-1 |access-date=2022-03-23 }}</ref> The species had previously been described and illustrated as ''Echeveria peacockii'' by T. Moore in 1875, with reference to the name ''Echeveria peacockii'' that had been used by Croucher in 1874. However, Croucher's plant is now regarded as a different species, ''[[Dudleya pulverulenta]]'', so Moore's name is illegitimate for the species he described, and the correct name is ''Echeveria desmetiana''.<ref name=ICN>{{cite web |title=Desmetiana De Smet, 1874 |website=International Crassulaceae Network |url=https://www.crassulaceae.ch/de/artikel?akID=48&aaID=2&aiID=D&aID=2243 |access-date=2022-03-23 |archive-url=https://web.archive.org/web/20210506090325/https://www.crassulaceae.ch/de/artikel?akID=48&aaID=2&aiID=D&aID=2243 |archive-date=2021-05-06}}</ref><ref name=Mott17>{{Cite journal |last1=Mottram |first1=Roy |date=2017 |title=Taxonomic history of ''Echeveria desmetiana'' & its synonyms |journal=Crassulacea |volume=5 |pages=7–8 |url=https://fdocuments.in/document/no5-29-september-2017-issn-2296-1666-3-table-of-contents-echeveria-corallina-alexander.html?page=1 |access-date=2022-03-23 }}</ref>


==Distribution==
==Distribution==
''Echeveria desmetiana'' is native to central and southwest Mexico.<ref name = POWO_273829-1/>
''Echeveria peacockii'' grows naturally in Mexico. It also grows in California, and can be traced to Dr. J. N. Rose's introduction of the plant.<ref name=Walther>{{cite book|last=Walther|first=Eric|title=Echeveria|year=1972|publisher=California Academy of Sciences|pages=265–266}}</ref>


==Habitat and ecology==
==Habitat and ecology==
''Echeveria peacockii'' tends to grow on rocky outcroppings at higher altitudes. In this type of environment, water is drained quickly from the roots of the plant, never allowing the plant to be submerged in water. This plant is fast growing and requires a bright light to prevent stretching, which forms an unhealthy plant.<ref>{{cite web|title=Echeveria peacockii|url=http://www.absolutelycactus.com/pages/echeveria/echeveria_peacockii.html|accessdate=2012-06-28}}{{Dead link|date=August 2019 |bot=InternetArchiveBot |fix-attempted=yes }}</ref>
''Echeveria desmetiana'' tends to grow on rocky outcroppings at higher altitudes. In this type of environment, water is drained quickly from the roots of the plant, never allowing the plant to be submerged in water. This plant is fast growing and requires a bright light to prevent stretching, which forms an unhealthy plant.<ref>{{cite web|title=Echeveria peacockii|url=http://www.absolutelycactus.com/pages/echeveria/echeveria_peacockii.html|accessdate=2012-06-28}}{{Dead link|date=August 2019 |bot=InternetArchiveBot |fix-attempted=yes }}</ref>

⚫
''E. peacockii'' grows in a warm, dry, sunny climate. They tend to grow in areas that are sometimes covered in shade (cannot tolerate too much sun). The optimal temperature for growth is 20-30℃.<ref>{{cite web|last=Flower Information Network|title=Echeveria Peacockii|url=http://www.flowersinfo.net/echeveria-peacockii|publisher=antisocialmediallc.com|accessdate=1 July 2012|archive-url=https://web.archive.org/web/20111208092622/http://www.flowersinfo.net/echeveria-peacockii/|archive-date=8 December 2011|url-status=dead}}</ref>

== Morphology ==
This plant has a short stem or none at all. Leaves are numerous (50 or more), crowded, relatively narrow, 5–6&nbsp;cm long, 20–35&nbsp;mm wide, and arranged as a [[rosette (botany)|rosette]]. The top of the leaf is flat, bottom of the leaf is rounded and keeled (curved). The leaves are always dusty and crumbly. The peduncle is thick and erect. It has inflorescences of three, [[secund]], 30&nbsp;cm tall or more. There are few bracts on this plant and they are all very close together, are [[obovate]], [[acuminate]], keeled, are 18&nbsp;mm thick, and are [[pruinose]]. Pedicels are very short (up to 3&nbsp;mm thick). The sepals are bunched together, unequal in size, are oval-shaped, and grow up to 8&nbsp;mm long. The corolla is straight grows up to 11&nbsp;mm long, and 6–7&nbsp;mm thick. The petals are slightly spreading at tips, sharply keeled, and are hollowed within the base. Nectaries are oblique and 1.5&nbsp;mm wide.<ref name=Walther />

== Flowers ==
''Echeveria peacockii'' produces 20 or more flowers, and begins to flower in June.


⚫
''E. desmetiana'' grows in a warm, dry, sunny climate. They tend to grow in areas that are sometimes covered in shade (cannot tolerate too much sun). The optimal temperature for growth is 20-30°C.<ref>{{cite web|last=Flower Information Network|title=Echeveria Peacockii|url=http://www.flowersinfo.net/echeveria-peacockii|publisher=antisocialmediallc.com|accessdate=1 July 2012|archive-url=https://web.archive.org/web/20111208092622/http://www.flowersinfo.net/echeveria-peacockii/|archive-date=8 December 2011|url-status=dead}}</ref>
==Reproduction==
''E. peacockii'' has a chromosome number of n = 15.<ref name=Walther />


==Cultivation==
==Cultivation==
''Echeveria peacockii'' is cultivated as an [[ornamental plant]], and often used as a drought-tolerant [[groundcover]] "carpet plant".
''Echeveria desmetiana'' is cultivated as an [[ornamental plant]], and often used as a drought-tolerant [[groundcover]] "carpet plant".


==Notes==
==Notes==
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{{Reflist|2}}
{{Reflist|2}}


{{Taxonbar|from=Q5332385}}
{{Taxonbar|from1=Q110859437|from2=Q110859590}}


[[Category:Flora of Mexico]]
[[Category:Flora of Mexico]]
[[Category:Garden plants of North America]]
[[Category:Garden plants of North America]]
[[Category:Drought-tolerant plants]]
[[Category:Drought-tolerant plants]]
[[Category:Echeveria|peacockii]]
[[Category:Echeveria|desmetiana]]

Latest revision as of 01:04, 4 April 2023

Echeveria desmetiana
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Saxifragales
Family: Crassulaceae
Genus: Echeveria
Species:
E. desmetiana
Binomial name
Echeveria desmetiana
De Smet
Synonyms[1][2]
  • Cotyledon desmetiana (De Smet ex É.Morren) Hemsl.
  • Echeveria subsessilis Rose
  • Echeveria peacockii T.Moore, nom illeg., non Echeveria peacockii Croucher = Dudleya pulverulenta (Nutt.) Britton & Rose

Echeveria desmetiana, incorrectly known as Echeveria peacockii, is a succulent plant in the family Crassulaceae. L. de Smet was the first grower of this plant.[3]

Description

[edit]

The leaves of Echeveria desmetiana are arranged in a rosette, either on a short stem or with no visible stem. The rosette may be about 11 cm in diameter. The leaves are widest at the base with a pointed end (mucronate), about 4–5 cm long, 2–3 cm wide and about 8 mm thick. The leaves are covered with a white to bluish bloom (pruinose), and have reddish margins. The flowering stem is reddish, and may be over 30 cm tall. The inflorescence is a cincinnus; one described specimen had 24 flowers. The individual flowers are about 11–13 mm long with petals that are red on the outside and yellow on the inside. The petals are pressed together, with only the tips curving outwards.[1]

Taxonomy

[edit]

Echeveria desmetiana was first described by De Smet in 1879.[4] The species had previously been described and illustrated as Echeveria peacockii by T. Moore in 1875, with reference to the name Echeveria peacockii that had been used by Croucher in 1874. However, Croucher's plant is now regarded as a different species, Dudleya pulverulenta, so Moore's name is illegitimate for the species he described, and the correct name is Echeveria desmetiana.[1][5]

Distribution

[edit]

Echeveria desmetiana is native to central and southwest Mexico.[2]

Habitat and ecology

[edit]

Echeveria desmetiana tends to grow on rocky outcroppings at higher altitudes. In this type of environment, water is drained quickly from the roots of the plant, never allowing the plant to be submerged in water. This plant is fast growing and requires a bright light to prevent stretching, which forms an unhealthy plant.[6]

E. desmetiana grows in a warm, dry, sunny climate. They tend to grow in areas that are sometimes covered in shade (cannot tolerate too much sun). The optimal temperature for growth is 20-30°C.[7]

Cultivation

[edit]

Echeveria desmetiana is cultivated as an ornamental plant, and often used as a drought-tolerant groundcover "carpet plant".

Notes

[edit]

References

[edit]
  1. ^ a b c "Desmetiana De Smet, 1874". International Crassulaceae Network. Archived from the original on 2021-05-06. Retrieved 2022-03-23.
  2. ^ a b "Echeveria desmetiana De Smet". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2022-03-23.
  3. ^ Walther, Eric (1972). Echeveria. California Academy of Sciences. pp. 265–266.
  4. ^ "Echeveria desmetiana De Smet". The International Plant Names Index. Retrieved 2022-03-23.
  5. ^ Mottram, Roy (2017). "Taxonomic history of Echeveria desmetiana & its synonyms". Crassulacea. 5: 7–8. Retrieved 2022-03-23.
  6. ^ "Echeveria peacockii". Retrieved 2012-06-28.[permanent dead link‍]
  7. ^ Flower Information Network. "Echeveria Peacockii". antisocialmediallc.com. Archived from the original on 8 December 2011. Retrieved 1 July 2012.
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