Disocactus speciosus

Disocactus speciosus
Flowers in various stages of maturation
Botanical illustration
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:	Disocactus
Species:	D. speciosus
Binomial name
Disocactus speciosus (Cav.) Barthlott
Synonyms [2]
List Cactus speciosissimusDesf. Cactus speciosusCav. Cereus amecamensisHeese Cereus coccineusDC. Cereus coccineusSalm-Dyck ex Pfeiff. & Otto Cereus elegantissimusA.Berger Cereus formosusJ.Forbes Cereus formosusMonv. Cereus hybridusOtto Cereus jenkinsoniiSweet Cereus schrankiiZucc. ex Seitz Cereus serratusWeing. Cereus speciosissimus(Desf.) Sweet Cereus speciosus(Cav.) Sweet Cereus speciosus var. amecamensis(Heese) A.Berger Cereus speciosus var. coccineusK.Schum. Cereus superbusC.Ehrenb. Disocactus aurantiacus var. blomianus(Kimnach) E.Meier Disocactus cinnabarinus(Eichlam ex Weing.) Barthlott Disocactus schrankii(Zucc. ex Seitz) Barthlott Disocactus speciosus f. amecamensis(Heese) Barthlott Epiphyllum speciosum(Cav.) Haw. Heliocereus amecaensis(Heese) Britton & Rose Heliocereus aurantiacus var. blomianusKimnach Heliocereus cinnabarinus(Eichlam ex Weing.) Britton & Rose Heliocereus coccineusBritton & Rose Heliocereus coccineus(DC.) Scheinvar Heliocereus elegantissimusBritton & Rose Heliocereus elegantissimus var. helenaeScheinvar Heliocereus elegantissimus var. stenopetalusBravo ex S.Arias, U.Guzmán & Gama Heliocereus heterodoxusStandl. & Steyerm. Heliocereus luzmariaeScheinvar Heliocereus schrankii(Zucc. ex Seitz) Britton & Rose Heliocereus schrankii var. elegantissimus(Britton & Rose) Backeb. Heliocereus schrankii subsp. helenae(Scheinvar) Doweld Heliocereus schrankii var. helenae(Scheinvar) Kimnach Heliocereus schrankii subsp. luzmariae(Scheinvar) U.Guzmán Heliocereus schrankii subsp. stenopetalus(Bravo ex S.Arias, U.Guzmán & Gama) Doweld Heliocereus schrankii var. stenopetalus(Bravo ex S.Arias, U.Guzmán & Gama) Kimnach Heliocereus serratus(Weing.) F.M.Knuth Heliocereus speciosissimus(Desf.) Y.Itô Heliocereus speciosus(Cav.) Britton & Rose Heliocereus speciosus var. amecamensis(Heese) Bravo Heliocereus speciosus subsp. amecamensis(Heese) Doweld Heliocereus speciosus var. serratus(Weing.) Backeb. Heliocereus speciosus var. superbus(Ehrenb.) Backeb. Heliocereus superbus(C.Ehrenb.) A.Berger Mediocactus coccineus(DC.) Britton & Rose × Phyllocereus cinnabarinus(Eichlam) Knebel

Disocactus speciosus, the sun cactus, is a species of flowering plant in the family Cactaceae. It is native to Mexico, Honduras and Guatemala, and has been introduced to the Canary Islands. ^[2] As its synonym Heliocereus speciosus it has gained the Royal Horticultural Society's Award of Garden Merit. ^[3]

Subtaxa

The following subspecies are accepted: ^[2]

• Disocactus speciosus subsp. blomianus(Kimnach) Ralf Bauer – Chiapas
• Disocactus speciosus subsp. cinnabarinus(Eichlam ex Weing.) Ralf Bauer – southern Mexico, Honduras
• Disocactus speciosus subsp. heterodoxus(Standl. & Steyerm.) M.Á.Cruz & S.Arias – Guatemala
• Disocactus speciosus subsp. speciosus

References

1. Arreola, H.; Ishiki, M.; Terrazas, T. (2017). "Disocactus speciosus". IUCN Red List of Threatened Species . 2017 e.T151970A121452011. doi: 10.2305/IUCN.UK.2017-3.RLTS.T151970A121452011.en . Retrieved 25 November 2022.
2. "Disocactus speciosus (Cav.) Barthlott". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. Retrieved 6 July 2021.
3. "Heliocereus speciosus sun cactus". The Royal Horticultural Society. 2021. Retrieved 6 July 2021.