Harrisia adscendens

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Harrisia adscendens
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Harrisia
Species:
H. adscendens
Binomial name
Harrisia adscendens
(Gürke) Britton & Rose
Synonyms
  • Cereus adscendensGürke 1908
  • Eriocereus adscendens(Gürke) A.Berger 1929
  • Cereus platygonusSalm-Dyck 1850
  • Eriocereus platygonus(Salm-Dyck) Riccob. 1909
  • Harrisia platygona(Salm-Dyck) Britton & Rose 1920

Harrisia adscendens is a species of cactus found in Brazil.

Contents

Description

Harrisia adscendens grows as a shrub with rich, sparsely branched, initially upright, later overhanging or spreading shoots and forms a striking trunk. The shoots have a diameter of 2 to 5 centimeters and are 5 to 8 meters long. There are seven to ten low, rounded ribs that form elongated tubercles. The four to ten strong, yellowish to grayish thorns, thickened at their base, have a darker tip and are 1 to 3 centimeters long.

The flowers reach a length of 15 to 18 centimeters. Its pericarpel and flower tube are covered with scales and long hairs. The spherical, tearing, red fruits are slightly tuberous. They have a diameter of 5 to 6 centimeters. [2]

Distribution

Harrisia adscendens is widespread in northeastern Brazil from the state of Bahia to the south of Ceará and Paraíba at altitudes of 50 to 700 meters. [3]

Taxonomy

The first description as Cereus adscendens was made in 1908 by Max Gürke. [4] The specific epithet adscendens comes from Latin, means 'ascending' and refers to the growth habit of the species. [5] Nathaniel Lord Britton and Joseph Nelson Rose placed the species in the genus Harrisia in 1920. Another nomenclature synonym is Eriocereus adscendens (Gürke) A.Berger (1929).

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References

  1. Kew), Nigel Taylor (RBG; Assessment), Pierre Braun (Global Cactus (2010-08-09). "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. Retrieved 2023-11-27.
  2. Anderson, Edward F.; Eggli, Urs (2005). Das grosse Kakteen-Lexikon (in German). Stuttgart (Hohenheim): Ulmer. pp. 337–338. ISBN   3-8001-4573-1.
  3. Franck, Alan R. (2016). "MONOGRAPH OF HARRISIA" (PDF). Phytoneuron. Retrieved 2023-11-25.
  4. "Monatsschrift für Kakteenkunde". J. Neumann. 1908. Retrieved 2023-11-27.
  5. Britton, Nathaniel Lord; Eaton, Mary E.; Rose, J. N.; Wood, Helen Adelaide (1919). The Cactaceae : descriptions and illustrations of plants of the cactus family. Washington: Carnegie Institution of Washington. doi:10.5962/bhl.title.46288.