Echinopsis chamaecereus

Echinopsis chamaecereus
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Caryophyllales
Family:	Cactaceae
Subfamily:	Cactoideae
Genus:	Echinopsis
Species:	E. chamaecereus
Binomial name
	Echinopsis chamaecereus; H.Friedrich & Glaetzle
Synonyms
	Cereus silvestrii Speg. ; Chamaecereus silvestrii (Speg.) Britton & Rose ; Lobivia silvestrii (Speg.) G.D.Rowley ;

Echinopsis chamaecereus is a species of cactus from Argentina. Synonyms include Chamaecereus silvestrii and Lobivia silvestrii.^[1] It has been called the "peanut cactus",^[2] This plant should not be confused with Echinopsis silvestrii, another species with a very different appearance.

E. chamaecereus has long stems about 1 cm (0.4 in) across. Orange flowers up to 4 cm (1.6 in) wide appear in late spring. In cultivation, E. chamaecereus is hardy to temperatures as low as −7 °C (19 °F) if kept dry.^[2]

E. chamaecereus was first collected and described in 1896 as Cereus silvestrii by Italian-Argentinian botanist Carlo Luigi Spegazzini in the mountains between the provinces of Tucuman and Salta, Argentina.^[3] However, subsequent expeditions to the area failed to find the species Spegazzini had collected and it is unknown whether the species has gone extinct since the initial collection.^[4]

This plant is a recipient of the Royal Horticultural Society's Award of Garden Merit.^[5]

Talcott Greenhouse

References[]

^ ^a ^b ^c Anderson, Edward F. (2001), The Cactus Family, Pentland, Oregon: Timber Press, ISBN 978-0-88192-498-5, p. 262
^ ^a ^b Anderson, Miles (1999), Cacti and Succulents : Illustrated Encyclopedia, Oxford: Sebastian Kelly, ISBN 978-1-84081-253-4, p. 67
^ Spegazzini, Carlo (1905). Cactacearum Plantensium Tentamen. Buenos Aires, Argentina: Juan A. Alsina. p. 51.
^ Lambert, Jacques G. (1992). Cactus d'Argentine. Concordia-Roeselare. p. 32.
^ "Echinopsis chamaecereus". www.rhs.org. Royal Horticultural Society. Retrieved 5 June 2020.

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[Ande01p262-1] Anderson, Edward F. (2001), The Cactus Family, Pentland, Oregon: Timber Press, ISBN 978-0-88192-498-5, p. 262

[Ande99p67-2] Anderson, Miles (1999), Cacti and Succulents : Illustrated Encyclopedia, Oxford: Sebastian Kelly, ISBN 978-1-84081-253-4, p. 67

[3] Spegazzini, Carlo (1905). Cactacearum Plantensium Tentamen. Buenos Aires, Argentina: Juan A. Alsina. p. 51.

[4] Lambert, Jacques G. (1992). Cactus d'Argentine. Concordia-Roeselare. p. 32.

[RHSPF-5] "Echinopsis chamaecereus". www.rhs.org. Royal Horticultural Society. Retrieved 5 June 2020.

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