Disocactus speciosus

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]

Disocactus speciosus
Flowers in various stages of maturation
Botanical illustration
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Disocactus
Species:
D. speciosus
Binomial name
Disocactus speciosus
Synonyms[2]
List
    • Cactus speciosissimus Desf.
    • Cactus speciosus Cav.
    • Cereus amecamensis Heese
    • Cereus coccineus DC.
    • Cereus coccineus Salm-Dyck ex Pfeiff. & Otto
    • Cereus elegantissimus A.Berger
    • Cereus formosus J.Forbes
    • Cereus formosus Monv.
    • Cereus hybridus Otto
    • Cereus jenkinsonii Sweet
    • Cereus schrankii Zucc. ex Seitz
    • Cereus serratus Weing.
    • Cereus speciosissimus (Desf.) Sweet
    • Cereus speciosus (Cav.) Sweet
    • Cereus speciosus var. amecamensis (Heese) A.Berger
    • Cereus speciosus var. coccineus K.Schum.
    • Cereus superbus C.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. blomianus Kimnach
    • Heliocereus cinnabarinus (Eichlam ex Weing.) Britton & Rose
    • Heliocereus coccineus Britton & Rose
    • Heliocereus coccineus (DC.) Scheinvar
    • Heliocereus elegantissimus Britton & Rose
    • Heliocereus elegantissimus var. helenae Scheinvar
    • Heliocereus elegantissimus var. stenopetalus Bravo ex S.Arias, U.Guzmán & Gama
    • Heliocereus heterodoxus Standl. & Steyerm.
    • Heliocereus luzmariae Scheinvar
    • 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

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.


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