Harrisia gracilis

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Harrisia gracilis
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. gracilis
Binomial name
Harrisia gracilis
(Mill.) Britton
Synonyms
  • Cactus gracilis(Mill.) Weston 1770
  • Cereus gracilisMill. 1768
  • Echinopsis gracilis(Mill.) Molinari & Mayta 2015
  • Cactus subrepandus(Haw.) Spreng. 1825
  • Cereus imbricatusPfeiff. 1837
  • Cereus subrepandusHaw. 1819
  • Harrisia donae-antoniaeHooten 1992
Drawing from 1818 Harrisia gracilis (Cereus repandus) Bot. Reg. 4. 336. 1818.jpg
Drawing from 1818

Harrisia gracilis is a species of cactus found in Jamaica.

Contents

Description

Harrisia gracilis grows shrubby, is richly branched and forms groups with upright to spreading shoots. The green, cylindrical shoots are greatly elongated. They have diameters of 2.5 to 4 centimeters and reach lengths of 3 to 5 meters. There are nine to eleven ribs. The seven to 16 thorns are spread out, straight, strong and needle-like. They are grayish ocher or gray, almost completely covering the shoots and are up to 2.5 centimeters long.

The flowers reach a length of 15 to 20 centimeters and a diameter of 10 to 12 centimeters. Its flower tube is covered with soft, white hairs. The yellow, smooth fruits are covered with a few hair-like thorns. They have a diameter of 3 to 6.2 centimeters and reach a length of 3 to 4 centimeters. [2]

Distribution

Harrisia gracilis is common in Jamaica. [3]

Taxonomy

It was first described as Cereus gracilis in 1768 by Philip Miller. [4] The specific epithet gracilis means 'delicate, slim, thin'. Nathaniel Lord Britton placed the species in the genus Harrisia in 1909. [5] Other nomenclature synonyms are Cactus gracilis (Mill.) Weston (1770) and Echinopsis gracilis (Mill.) Molinari & Mayta (2015).

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References

  1. ↑ "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. 2011-07-25. Retrieved 2023-11-25.
  2. ↑ Anderson, Edward F.; Eggli, Urs (2005). Das grosse Kakteen-Lexikon (in German). Stuttgart (Hohenheim): Ulmer. p. 339. ISBN   3-8001-4573-1.
  3. ↑ "Harrisia gracilis (Mill.) Britton". Plants of the World Online. Retrieved 2023-11-25.
  4. ↑ Miller, Philip; Miller, J. (1768). The gardeners dictionary : containing the best and newest methods of cultivating and improving the kitchen, fruit, flower garden, and nursery, as also for performing the practical parts of agriculture, including the management of vineyards, with the methods of making and preserving wine, according to the present practice of the most skilful vignerons in the several wine countries in Europe, together with directions for propagating and improving, from real practice and experience, all sorts of timber trees. London: Printed for the author and sold by John and Francis Rivington ... [and 23 others]. doi:10.5962/bhl.title.541.
  5. ↑ Club., Torrey Botanical (1908). "Bulletin of the Torrey Botanical Club". Torrey Botanical Club. Retrieved 2023-11-25.
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