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Haageocereus decumbens

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(Redirected from Haageocereus australis)

Haageocereus decumbens
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Haageocereus
Species:
H. decumbens
Binomial name
Haageocereus decumbens
(Meyen) F.Ritter 1934
Synonyms
List
    • Binghamia decumbens (Vaupel) Werderm. 1937
    • Borzicactus decumbens (Vaupel) Britton & Rose 1920
    • Cereus decumbens Vaupel 1913
    • Echinopsis decumbens (Vaupel) Mayta 2015
    • Binghamia australis (Backeb.) Werderm.1937
    • Echinopsis magliana Mayta & Molinari 2015
    • Echinopsis subtilispina (F.Ritter) Mayta 2015
    • Haageocereus ambiguus Rauh & Backeb. 1956 publ. 1957
    • Haageocereus ambiguus var. reductus Rauh & Backeb. 1956 publ. 1957)
    • Haageocereus australis Backeb. 1936
    • Haageocereus australis var. acinacispinus Rauh & Backeb. 1956 publ. 1957)
    • Haageocereus australis f. nanus F.Ritter 1980
    • Haageocereus australis f. subtilispinus F.Ritter 1980
    • Haageocereus chalaensis F.Ritter 1981
    • Haageocereus decumbens var. brevispinus F.Ritter 1981
    • Haageocereus decumbens var. spinosior Backeb. 1951
    • Haageocereus decumbens f. spinosior (Backeb.) Krainz 1965
    • Haageocereus litoralis Rauh & Backeb. 1956 publ. 1957
    • Haageocereus mamillatus Rauh & Backeb. 1956 publ. 1957
    • Haageocereus mamillatus var. brevior Rauh & Backeb. 1956 publ. 1957
    • Haageocereus multicolorispinus Buining 1963
    • Haageocereus ocona-camanensis Rauh & Backeb. in C.Backeberg, 1956 publ. 1957
    • Haageocereus subtilispinus F.Ritter 1981

Haageocereus decumbens is a species of Haageocereus found in S. Peru to Chile (Tarapacá) [2]

Description

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Haageocereus decumbens grows spread out or ascending and often forms richly branched groups with slender shoots that reach diameters of up to 5 cm (2.0 in). There are about 20 low ribs. The one or two light to dark brown central spines are directed downwards and are up to 5 cm (2.0 in) long. The up to 30 and more needle-like yellowish radial spines have a length of 5 to 8 mm (0.20 to 0.31 in).

The white flowers reach a diameter of 4.5 cm (1.8 in) and a length of up to 8 cm (3.1 in).[3]

Distribution

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Haageocereus decumbens is distributed in Peru in the Arequipa region near Chala and Mollendo at altitudes of 200 to 700 meters.

Taxonomy

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The first description as Cereus decumbens was made in 1913 by Friedrich Karl Johann Vaupel.[4] Curt Backeberg placed the species in the genus Haageocereus in 1934. Other nomenclature synonyms are Borzicactus decumbens (Vaupel) Britton & Rose (1920), Binghamia decumbens (Vaupel) Werderm. (1937, incorrect name ICBN article 11.4) and Echinopsis decumbens (Vaupel) Mayta (2015).

References

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  1. ^ Assessment), Helmut Walter (Global Cactus; Assessment), Luis Faundez (Global Cactus (2011-05-05). "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. Retrieved 2023-08-24.
  2. ^ "Haageocereus decumbens (Vaupel) Backeb. - Plants of the World Online". Plants of the World Online. Retrieved 2023-05-03.
  3. ^ Anderson, Edward F.; Eggli, Urs (2005). Das grosse Kakteen-Lexikon (in German). p. 332-333. ISBN 3-8001-4573-1.
  4. ^ Engler, Adolf (1914). "Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie". Schweizerbart [etc.] ISSN 0006-8152. Retrieved 2023-08-24.
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