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Selenicereus

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"Moonlight cactus" redirects here. For the films, see Moonlight and Cactus.

Selenicereus, sometimes known as moonlight cactus, is a genus of epiphytic, lithophytic, and terrestrial cacti, found in Mexico, Central America, the Caribbean and northern South America. The term night-blooming cereus is also sometimes used, but this is also used for many night-blooming cacti, including Epiphyllum and Peniocereus. In 2017, the genus Hylocereus was brought into synonymy with Selenicereus. A number of species of Selenicereus produce fruit that is eaten. The fruit, known as pitaya or pitahaya in Spanish or as dragon fruit, may be collected from the wild or the plants may be cultivated.

Selenicereus
Selenicereus spinulosus
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Tribe: Hylocereeae
Genus: Selenicereus
(A.Berger) Britton & Rose[1]
Species

See text.

Synonyms[2]
  • Chiapasophyllum Doweld
  • Cryptocereus Alexander
  • Hylocereus Britton & Rose
  • Werckleocereus Britton & Rose
  • Wilmattea Britton & Rose

Description

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Clambering plants with flat to angled stems, producing aerial roots. Areoles may be with or without spines. Flowers are large and nocturnal, pollinated by moths or rarely bats. The receptacle bears small bracts, hairs and usually spines. Fruits bear numerous spines. Flowers are generally produced in abundance with mature plants and are typically white and are very fragrant and only last a single night in most species.[citation needed]

Taxonomy

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The taxon was first described as a section, Cereus sect. Selinicereus, by Alwin Berger in 1905. It was raised to a genus by Britton and Rose in 1909. The name is derived from Σελήνη (Selene), the Greek moon goddess, referring to the nocturnal flowers, and cereus, meaning "candle" in Latin, a name used for upright cacti.[3] A molecular phylogenetic study of the tribe Hylocereeae in 2017 showed that the genus Hylocereus was nested within Selenicereus, so all the species of Hylocereus were transferred to Selenicereus.[4] As of March 2021, the transfer was accepted by Plants of the World Online.[2] The authors of the 2017 study also placed some species of Weberocereus within Selenicereus,[4] which was not accepted by Plants of the World Online as of March 2021.[2]

Phylogeny

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The cladogram below shows the relationships found in the 2017 study of the tribe Hylocereeae.[4]

Hylocereeae

Acanthocereus

Aporocactus

hylocereoid clade

Selenicereus (including Hylocereus and 3 former Weberocereus species)

Weberocereus (remaining species)

phyllocactoid clade

Selenicereus belongs to the hylocereoid clade, along with Weberocereus. Members of the clade are mostly climbing or epiphytic, and have spiny ribbed stems, contrasting with members of the phyllocactoid clade, which are mainly epiphytic, and have spineless flattened leaf-like stems.[4]

Species

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Species placed in the genus by Korotkova et al. in 2017 are listed below.[4] The list includes three species formerly placed in Weberocereus, whose transfer was not accepted by Plants of the World Online as of March 2021.[2]

Species Description Distribution Flower Fruit
Selenicereus anthonyanus
(Alexander) D.R.Hunt 		Stems like those of Epiphyllum anguliger but more vining and with short spines. Flowers ca. 12 cm long, 10–15 cm wide, the outer inner tepals purplish, the inner cream.[citation needed] Mexico.[5]  
Selenicereus alliodorus
(Gómez-Hin. & H.M.Hern.) S. Arias & Korotkova
(syn. Weberocereus alliodorus) 		Southwest Mexico[6]
Selenicereus atropilosus
Kimnach 		Flowers 12 cm long, receptacle with black hairs. The species is close to some species in the genus Weberocereus.[citation needed] Mexico.[7]
Selenicereus calcaratus
(F.A.C.Weber) D.R.Hunt 		Costa Rica[8]
Selenicereus costaricensis
(F.A.C.Weber) S. Arias & Korotkova 		Stems waxy-white without horny margins. Flowers ca. 30 cm long with large bracts, usually with purple margins. Fruit red with purple pulp. Costa Rica, Nicaragua and Panama.    
Selenicereus dorschianus
Ralf Bauer 		Mexico[9]
Selenicereus escuintlensis
(Kimnach) D.R.Hunt 		Stems green not glaucous, brown-margined. Flowers 28–31 cm long, 24–36 cm wide. Guatemala, Mexico and Nicaragua[10]
Selenicereus extensus
(Salm-Dyck ex DC.) Leuenb. 		French Guiana, Guyana and Suriname[11]
Selenicereus glaber
(Eichlam) S. Arias & Korotkova
(syn. Weberocereus glaber) 		El Salvador, Guatemala and Honduras[12]  
Selenicereus grandiflorus
(L.) Britton & Rose 		Stems many-ribbed. Flowers 18 cm long, receptacle densely woolly. Three subspecies are recognized:[citation needed]
  • ssp. grandiflorus
  • ssp. donkelaarii - Mexico. Stems 1 cm thick, low-ribbed, spines short, appressed to stem. Flowers 18 cm long.
  • ssp. hondurensis- Honduras? Stem ribs tubercled. Flowers 30–34 cm long.
 The Bahamas, the Cayman Islands, Cuba, the Dominican Republic, Guatemala, Haiti, Jamaica, Mexico and Nicaragua.[13]  
Selenicereus guatemalensis
(Eichlam ex Weing.) D.R.Hunt 		Guatemala[14]
Selenicereus hamatus
(Scheidw.) Britton & Rose 		Stems 3-4-ribbed, with knobby projections, nearly spineless. Flowers 20–25 cm long, receptacle with black hairs.[citation needed] Mexico.[15]  
Selenicereus inermis
(Otto) Britton & Rose 		Stems 2-5-ribbed, almost spineless. Flower 15 cm long, spiny, hairless.[citation needed] Colombia, Costa Rica, Mexico, Panamá and Venezuela.[16]  
Selenicereus megalanthus
(K.Schum. ex Vaupel) Moran 		Stems green, slender without horny margins. Flowers 30–38 cm long with large flattened tubercles and small bracts. Fruit yellow. Colombia, Ecuador and Peru[17]    
Selenicereus minutiflorus
(Britton & Rose) D.R.Hunt 		Stems green. Flowers with rigid spines at base of flower, 5 cm long, 8–9 cm wide, white. Belize, Guatemala and Honduras[18]
Selenicereus monacanthus
(Lem.) D.R.Hunt(syn. incl. H. lemairei, H. monacanthus) 		Stems gray-green without horny margins. Flowers ca 30 cm long, petals white, tinged pinkish near base or entirely pink. Tube with distant bracts. Stigma lobes usually forked. Fruit red with purple pulp. Colombia, Costa Rica, Ecuador, Nicaragua, Panamá, Peru, Trinidad and Tobago, Venezuela and the Venezuelan Antilles[19]    
Selenicereus murrillii
Britton & Rose 		Stems only 8 mm thick, nearly spineless. Flowers 15 cm long, spiny, hairless. Closely related to S. spinulous and S. inermis (sensu lat.).[citation needed] Mexico.[20]
Selenicereus nelsonii
(Weing.) Britton & Rose 		Flowers 20 cm long, receptacle hairless, spiny. Possibly conspecific with S. vagans.[citation needed] Mexico.[21]  
Selenicereus ocamponis
(Salm-Dyck) D.R.Hunt(syn. incl. H. guatemalense, H. purpursii, H. ocamponis) 		Stems white-waxy, margins horny, spines needle-like, to 12 mm long. Flowers 25–32 cm long with white inner petals. Bracts overlapping, with purple margins. Mexico[22]
Selenicereus pteranthus
(Link ex A.Dietr.) Britton & Rose 		Two forms are recognized:[citation needed]
  • f. macdonaldiae - Honduras? Stem ribs tubercled. Flowers 30–34 cm long.
  • f. pteranthus - Mexico. Stems thick, 4-5-ribbed, spines very short. Flowers 25–30 cm long.
 The Bahamas, Belize, the Cayman Islands, Cuba, the Dominican Republic and Mexico.[23]  
Selenicereus purpusii
(Weing.) Arias & Korotkova 		Mexico[24]
Selenicereus setaceus
(Salm-Dyck ex DC.) A.Berger ex Werderm. 		Stems green without horny margins, rather spiny. Flowers 19–22 cm with small tubercles and bracts. Fruit red. Argentina, Bolivia, Brazil and Paraguay[25]  
Selenicereus spinulosus
(DC.) Britton & Rose 		Texas, Mexico.[26] Stems short-spined. Flowers 8–14 cm long, receptacle spiny, hairless.[citation needed]
Selenicereus stenopterus
(F.A.C.Weber) D.R.Hunt 		Stems thin, soft, green. Flowers 9–10 cm long, 13–15 cm wide, tube short, tepals purplish red. Costa Rica[27]
Selenicereus tonduzii
(F.A.C.Weber) S. Arias & Korotkova
(syn. Weberocereus tonduzii) 		Costa Rica and Panama[28]
Selenicereus triangularis
(L.) D.R.Hunt 		Stems green without horny margins, slender. Flowers ca. 20 cm long, base with wide overlapping scales Cuba, the Dominican Republic, Haiti, the Leeward Islands, Puerto Rico and the Windward Islands[29]  
Selenicereus tricae
D.R.Hunt 		Belize, Guatemala and Mexico[30]
Selenicereus trigonus
(Haw.) S. Arias & Korotkova 		Stems green without horny margins. Flowers ca. 22 cm long, 21 cm wide, base with small, narrow, widely spaced scales, sometimes spiny. Fruit red. May be a synonym of Selenicereus triangularis the Caribbean.[29]
Selenicereus undatus
(Haw.) D.R.Hunt 		Stems green, margins undulate and horny. Flowers 25–30 cm long, white with green outer tepals and bracts. Fruit red with white pulp. El Salvador, Guatemala, Honduras and Mexico[31]    
Selenicereus vagans
(K.Brandegee) Britton & Rose 		Flower 15 cm long, receptacle spiny, hairless.[citation needed] Mexico.[32]  
Selenicereus validus
S.Arias & U.Guzmán 		Huge nocturnal flowers with bright red fruits.[citation needed] Mexico (Michoacán).[33]  

Species formerly recognized include:

  • Selenicereus boeckmannii – synonym of Selenicereus pteranthus[23]
  • Selenicereus brevispinus – synonym of Selenicereus pteranthus[23]
  • Selenicereus chontalensis – synonym of Deamia chontalensis[4]
  • Selenicereus coniflorus – synonym of Selenicereus grandiflorus[13]
  • Selenicereus hallensis – synonym of Selenicereus grandiflorus[13]
  • Selenicereus urbanianus – synonym of Selenicereus grandiflorus[13]
  • Selenicereus rubineus – synonym of Selenicereus inermis[16]
  • Selenicereus wercklei – synonym of Selenicereus inermis[16]
  • Selenicereus wittii – synonym of Strophocactus wittii[4]

Uses

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Pitayas of various colours

The fruits of a number of species of Selenicereus (particularly those formerly placed in Hylocereus) are eaten. Selenicereus undatus and Selenicereus triangularis are widely cultivated in the Americas, Europe and Asia for their fruits, known as pitayas or pitahayas in Spanish, and as dragon fruits in Asia. The fruit of Selenicereus setaceus is eaten in South America.[34]

References

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Wikimedia Commons has media related to Selenicereus.
 
Wikispecies has information related to Selenicereus.
  1. ^ "Genus: Selenicereus (A. Berger) Britton & Rose". Germplasm Resources Information Network. United States Department of Agriculture. 13 February 2004. Archived from the original on 2012-10-11. Retrieved 2021-03-10.
  2. ^ a b c d "Selenicereus Britton & Rose". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  3. ^ Anderson, Edward F. (2001). "Selenicereus". The Cactus Family. Pentland, Oregon: Timber Press. pp. 142, 631. ISBN 978-0-88192-498-5.
  4. ^ a b c d e f g Korotkova, Nadja; Borsch, Thomas & Arias, Salvador (2017). "A phylogenetic framework for the Hylocereeae (Cactaceae) and implications for the circumscription of the genera". Phytotaxa. 327 (1): 1–46. doi:10.11646/phytotaxa.327.1.1.
  5. ^ "Selenicereus anthonyanus (Alexander) D.R.Hunt". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  6. ^ "Weberocereus alliodorus Gómez-Hin. & H.M.Hern". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-07.
  7. ^ "Selenicereus atropilosus Kimnach". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  8. ^ "Selenicereus calcaratus (F.A.C.Weber) D.R.Hunt". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  9. ^ "Selenicereus dorschianus Ralf Bauer". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  10. ^ "Selenicereus escuintlensis (Kimnach) D.R.Hunt". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  11. ^ "Selenicereus extensus (Salm-Dyck ex DC.) Leuenb". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  12. ^ "Weberocereus glaber (Eichlam) G.D.Rowley". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-07.
  13. ^ a b c d "Selenicereus grandiflorus (L.) Britton & Rose". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  14. ^ "Selenicereus guatemalensis (Eichlam ex Weing.) D.R.Hunt". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  15. ^ "Selenicereus hamatus (Scheidw.) Britton & Rose". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  16. ^ a b c "Selenicereus inermis (Otto) Britton & Rose". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  17. ^ "Selenicereus megalanthus (K.Schum. ex Vaupel) Moran". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  18. ^ "Selenicereus minutiflorus (Britton & Rose) D.R.Hunt". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  19. ^ "Selenicereus monacanthus (Lem.) D.R.Hunt". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  20. ^ "Selenicereus murrillii Britton & Rose". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  21. ^ "Selenicereus nelsonii (Weing.) Britton & Rose". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  22. ^ "Selenicereus ocamponis (Salm-Dyck) D.R.Hunt". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  23. ^ a b c "Selenicereus pteranthus (Link ex A.Dietr.) Britton & Rose". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  24. ^ "Selenicereus purpusii (Weing.) Arias & Korotkova". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  25. ^ "Selenicereus setaceus (Salm-Dyck ex DC.) A.Berger ex Werderm". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  26. ^ "Selenicereus spinulosus (DC.) Britton & Rose". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  27. ^ "Selenicereus stenopterus (F.A.C.Weber) D.R.Hunt". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  28. ^ "Weberocereus tonduzii (F.A.C.Weber) G.D.Rowley". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-07.
  29. ^ a b "Selenicereus triangularis (L.) D.R.Hunt". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  30. ^ "Selenicereus tricae D.R.Hunt". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  31. ^ "Selenicereus undatus (Haw.) D.R.Hunt". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  32. ^ "Selenicereus vagans (K.Brandegee) Britton & Rose". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  33. ^ "Selenicereus validus S.Arias & U.Guzmán". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-03.
  34. ^ Anderson, Edward F. (2001), "Cacti as Food", The Cactus Family, Pentland, Oregon: Timber Press, pp. 55–60, ISBN 978-0-88192-498-5
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