Armatocereus laetus

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Armatocereus laetus

Conservation status
Least Concern (IUCN 3.1)^[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Caryophyllales
Family:	Cactaceae
Subfamily:	Cactoideae
Genus:	Armatocereus
Species:	A. laetus
Binomial name
*Armatocereus laetus* (Kunth) Backeb. ex A.W. Hill 1991
Synonyms
Cactus laetus Kunth in F.W.H.von Humboldt 1823 Cereus laetus (Kunth) DC. 1828 Lemaireocereus laetus (Kunth) Britton & Rose 1919 Armatocereus jungo Backeb. 1935 Armatocereus neolaetus Y.Itô 1981

Armatocereus laetus is a species of Armatocereus from Peru.^[2]

Description

Armatocereus laetus grows columnar tree-like, branched above the ground and reaches growth heights of 4 to 6 meters. A short massive trunk is formed. The gray-green shoots are columnar and erect. Four to eight ribs are present. The six to twelve initially brown spines become whitish or grayish with age.

The white flowers are 7 to 8 centimeters long and up to 5 centimeters in diameter. The green fruits are heavily spined. ^[3]

Distribution

Armatocereus laetus is distributed in northern Peru and southern Ecuador.

Taxonomy

The first description as Cactus laetus was in 1923 by Karl Sigismund Kunth.^[4] Arthur William Hill placed the species in the genus Armatocereus in 1938. Other nomenclature synonyms include Cereus laetus (Kunth) DC. and Lemaireocereus laetus (Kunth) Britton & Rose (1919).

References

^ "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. 2011-05-03. Retrieved 2023-08-26.
^ "Armatocereus laetus in Tropicos".
^ Anderson, Edward F.; Eggli, Urs (2005). Das grosse Kakteen-Lexikon (in German). p. 76-77. ISBN 3-8001-4573-1.
^ Bonpland, Aimé; Humboldt, Alexander von; Kunth, Karl Sigismund (1815). Nova genera et species plantarum :quas in peregrinatione ad plagam aequinoctialem orbis novi collegerunt /descripserunt, partim adumbraverunt Amat. Bonpland et Alex. de Humboldt ; ex schedis autographis Amati Bonplandi in ordinem digessit Carol. Sigismund. Kunth ... Antverpiae: Ex officina Christophori Plantini. doi:10.5962/bhl.title.640.

External links

Media related to Armatocereus laetus at Wikimedia Commons
Data related to Armatocereus laetus at Wikispecies

Taxon identifiers
Armatocereus laetus	Wikidata: Q679399 Wikispecies: Armatocereus laetus CoL: GRYP EoL: 5182334 GBIF: 3953615 GRIN: 4206 iNaturalist: 437292 IPNI: 19746-2 ITIS: 907790 IUCN: 152303 NCBI: 336111 Open Tree of Life: 278463 Plant List: kew-2652166 POWO: urn:lsid:ipni.org:names:19746-2 Species+: 14836 WFO: wfo-0000548621
Cactus laetus	Wikidata: Q12015648 CoL: P6Z3 GBIF: 8240501 GRIN: 435218 IPNI: 129420-1 POWO: urn:lsid:ipni.org:names:129420-1 Tropicos: 5101186 WFO: wfo-0000577938

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