Cereus stenogonus

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Cereus stenogonus

Least Concern  (IUCN 2.3)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Cereus
Species:
C. stenogonus
Binomial name
Cereus stenogonus
K.Schum.
Synonyms
  • Piptanthocereus stenogonus (K.Schum.) F.Ritter 1979
  • Cereus argentinensis Britton & Rose 1920
  • Cereus dayamii Speg. 1911
  • Cereus platygonus Speg. 1911
  • Cereus roseiflorus Speg. 1925
  • Cereus tacuaralensis Cárdenas 1964
  • Piptanthocereus dayamii (Speg.) F.Ritter 1980

Cereus stenogonus, also known as narrow-angled cereus, is a species of Cereus found in Bolivia, Paraguay and Argentina.[2]

Description

Budding flowers

Cereus stenogonus grows tree-like with sparse to richly branched, upright shoots and reaches heights of up to 8 meters. There is a clear, heavily thorn trunk. The cylindrical, blue-green shoots are later light glaucous green and have a diameter of 6 to 9 centimeters. There are four to five deeply notched, high ribs . The areoles sitting in the notches are far apart. The usually three to four spreading, conical thorns emerging from them are thick to onion-shaped at their base. They are yellow with a black tip or black and up to 7 millimeters long.[3]

The slightly pink flowers are 20 to 22 centimeters long. The egg-shaped fruits are up to 10 centimeters long and red. They contain a red pulp.

Distribution

Cereus stenogonus is distributed in Brazil,

Misiones up to 500 meters above sea level. The first description was published in 1899 by Karl Moritz Schumann.[4]

In the IUCN Red List of Threatened Species, the species is listed as "Least Concern" (LC).[1]

Taxonomy

The first description was published in 1899 by Karl Moritz Schumann. A nomenclatural synonym is Piptanthocereus stenogonus (K.Schum.) F.Ritter (1979).

References

  1. ^ a b "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. 2010-09-21. Retrieved 2023-08-10.
  2. ^ "Cereus stenogonus". Tropicos. Retrieved 2019-08-22.
  3. ^ Killeen, TJ, E. García Estigarribia & SG Beck. (eds.) 1993. Guide Árb. Bolivia 1–958. National Herbarium of Bolivia & Missouri Botanical Garden, La Paz.
  4. ^ López, JA & JEL Little. 1987. Common Trees of Paraguay 1–425. Peace Corps, Information Collection and Exchange, Washington, DC

External links