Marshallocereus

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Marshallocereus
Stenocereus aragonii 3zz.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Tribe: Echinocereeae
Genus: Marshallocereus
Backeb. 1950
Species:
M. aragonii
Binomial name
Marshallocereus aragonii
(F.A.C.Weber) Backeb. 1951
Synonyms
  • Cereus aragoniiF.A.C.Weber 1902
  • Lemaireocereus aragonii(F.A.C.Weber) Britton & Rose 1920
  • Neolemaireocereus aragonii(F.A.C.Weber) Backeb. 1944
  • Pachycereus aragonii(F.A.C.Weber) P.V.Heath 1992
  • Stenocereus aragonii(F.A.C.Weber) Buxb. 1961
  • Cereus aragonii var. palmatusF.A.C.Weber 1902
  • Cereus eichlamii(Britton & Rose) Standl. 1940
  • Cereus laevigatus var. guatemalensisEichlam 1912
  • Cereus yunckeriStandl. 1940
  • Lemaireocereus eichlamiiBritton & Rose 1920
  • Lemaireocereus laevigatus var. guatemalensis(Eichlam) Borg 1951
  • Lemaireocereus longispinusBritton & Rose 1920
  • Marshallocereus aragonii subsp. eichlamii(Britton & Rose) Guiggi 2012
  • Pachycereus aragonii var. palmatus(F.A.C.Weber) P.V.Heath 1992
  • Pachycereus eichlamii(Britton & Rose) D.R.Hunt 2013
  • Rathbunia eichlamii(Britton & Rose) P.V.Heath 1992
  • Rathbunia longispinus(Britton & Rose) P.V.Heath 1992
  • Rathbunia yunckeri(Standl.) P.V.Heath 1992
  • Ritterocereus eichlamii(Britton & Rose) Backeb. 1951
  • Stenocereus eichlamii(Britton & Rose) Buxb. 1978
  • Stenocereus longispinus(Britton & Rose) Buxb. 1961
  • Stenocereus yunckeri(Standl.) M.Bravo & Sánchez-Mej. 1983

Marshallocereus is a monotypic genus of flowering plant in the family Cactaceae. The only species is Marshallocereus aragonii that is found in Costa Rica, El Salvador, Guatemala, Honduras, Mexico, and Nicaragua. [2]

Contents

Description

Marshallocereus aragonii is a columnar cactus with dark green shoots that grow up to 5–6 meters tall (rarely exceeding 6 meters) and 12–15 centimeters in diameter. It branches minimally from the base and typically lacks a distinct trunk. The shoots often display a diagonal, light band pattern marking the end of annual growth. The plant features 5–8 rounded ribs, 2–3 cm high, with 1–3 gray central spines (2–3 cm long) and 5–9 shorter marginal spines (up to 2 cm long). The funnel-shaped flowers bloom at night, measuring 6–8 cm in length. They have greenish-brown outer bracts, white inner bracts, and a tubercled, thorn-covered pericarpel. [3]

Distribution

This species is native to northwestern Costa Rica, El Salvador, Guatemala, Honduras, Mexico (Chiapas), and Nicaragua growing in dry forests at elevations from 50 to 800 meters.

Taxonomy

First described in 1902 by Frédéric Albert Constantin Weber as Cereus aragonii, it was named in honor of Manuel Aragon, a Costa Rican statistician. [4] In 1951, Curt Backeberg reclassified it into the genus Marshallocereus, established the year prior. [5] Common names include Guanocal, Organo, Pitahaya, and Tuna.

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References

  1. Rica), Costa (2009-05-01). "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. Retrieved 2024-12-25.
  2. "Marshallocereus aragonii (F.A.C.Weber) Backeb". Plants of the World Online. Retrieved 2024-12-25.
  3. Anderson, Edward F.; Eggli, Urs; Anderson, Edward F. (2005). Das große Kakteen-Lexikon (in German). Stuttgart (Hohenheim): Ulmer. p. 599. ISBN   3-8001-4573-1.
  4. D&Amp, Um National; (France), histoire naturelle (1895). "Bulletin du Muséum d'histoire naturelle". Impr. nationale. ISSN   0027-4070 . Retrieved 2024-12-25.
  5. "Cactus and Succulent Journal July-Aug 1951: Vol 23 Iss 4 : Free Download, Borrow, and Streaming : Internet Archive". Internet Archive. 2016-10-23. Retrieved 2024-12-25.