Aporocactus martianus
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Aporocactus
Species:
A. martianus
Binomial name
Aporocactus martianus
(Zucc. ex Pfeiff.) Britton & Rose
Synonyms[1]
  • Aporocactus conzattii Britton & Rose
  • Aporocactus martianus var. conzattii (Britton & Rose) P.V.Heath
  • Cereus conzattii (Britton & Rose) A.Berger
  • Cereus martianus Zucc. ex Pfeiff.
  • Cereus martini Dupuis
  • Disocactus martianus (Zucc. ex Pfeiff.) Barthlott
  • Eriocereus martianus (Zucc. ex Pfeiff.) Riccob.

Aporocactus martianus (syn. Disocactus martianus) is a species of cactus found in Oaxaca, Mexico.

Description

Disocactus martianus grows creeping, occasionally forming lithophytic with aerial roots. It is a species of fleshy, cylindrical suspended or creeping cactus with stems up to 1.5 meters long and up to 2.5 centimeters thick, sometimes with aerial roots, with 8 to 10 slightly wart-shaped ribs; 3 or 4 central pale brown spines up to 12 mm long and 6 to 20 radial spines are light yellowish and only 5 to 7 millimeters long. The bright red flowers are diurnal and produced in summer, 10 to 12 centimeters in diameter and a length of 5 to 7 centimeters. The flowers stay open for a couple of days. They are followed by globose fruits of green color and 2 cm in diameter. It is viviparous.[2]

Taxonomy & Systematics

Plate 3768 of Aporocactus martianus from Curtis's Botanical Magazine 1840

It was first described as Cereus martianus in 1837 by Ludwig Georg Karl Pfeiffer.[3] Wilhelm Barthlott moved the species to Disocactus in 1991[4] The following species and varieties are synonyms:

  • Cereus martianus Zucc. (1832),
  • Eriocereus martianus Riccob. (1909),
  • Aporocactus martianus Britton & Rose (1920),
  • Aporocactus conzattii Britton & Rose (1920),
  • Cereus conzattii (Britton & Rose) A. Berger (1929)
  • Aporocactus martianus var. Conzattii (Britton & Rose) PVHeath (1992).

In their synopsis of the tribe Hylocereeae from 2017, Nadja Korotkova, Thomas Borsch and Salvador Arias interpret the species as a synonym of Aporocactus martianus.[5]

References

  1. ↑ "Aporocactus martianus (Zucc. ex Pfeiff.) Britton & Rose". Plants of the World Online. Kew Science. Retrieved 2020-01-01.
  2. ↑ Cota-Sánchez, J. Hugo (2004). "Vivipary in the Cactaceae: Its taxonomic occurrence and biological significance". Flora - Morphology, Distribution, Functional Ecology of Plants. 199 (6): 481–490. doi:10.1078/0367-2530-00175.
  3. ↑ "Botanicus.org: Enumeratio diagnostica cactearum hucusque cognitarum". Botanicus.org. Retrieved 2021-04-01.
  4. ↑ Herr, A. J.; Jensen, M. B.; Dalmay, T.; Baulcombe, D. C. (1991). "Notes on miscellaneous genera of Cactaceae DNA". Bradleya. 9 (5718): 118–120. doi:10.25223/brad.n9.1991.a2. PMID 15692015.
  5. ↑ Martínez-Quezada, Daniel M.; Arias, Salvador; Korotkova, Nadja; Terrazas, Teresa (2020). "The phylogenetic significance of the stem morpho-anatomy in the Hylocereeae (Cactoideae, Cactaceae)". Plant Systematics and Evolution. Springer Science and Business Media LLC. 306 (1). doi:10.1007/s00606-020-01639-x. ISSN 0378-2697.
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