Yucca gigantea

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giant yucca or soft-tip yucca
itabo or blue-stem yucca
File:Yuccaelephante1.jpg
Scientific classification e
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Asparagaceae
Subfamily: Agavoideae
Genus: Yucca
Species:
Y. gigantea
Binomial name
Yucca gigantea
Synonyms[1][2]
  • Dracaena lennei Baker
  • Dracaena yuccoides Baker
  • Sarcoyucca elephantipes Linding., nom. superfl.
  • Yucca eleana W.Watson
  • Yucca elephantipes Regel ex Trel., nom. illeg.
  • Yucca elephantipes var. ghiesbreghtii Molon
  • Yucca ghiesbreghtii Baker
  • Yucca guatemalensis Baker
  • Yucca lenneana Baker
  • Yucca mazelii W.Watson
  • Yucca mooreana Baker
  • Yucca roezlii Baker
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Yucca gigantea (syn. Yucca elephantipes, Yucca guatemalensis),[1] is a Yucca species that is native to Belize, Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua and the eastern part of Mexico (Quintana Róo, Yucatán, Campeche, Tabasco, Chiapas, Veracruz, eastern Puebla and southern Tamaulipas).[3] It is also reportedly naturalized in Puerto Rico, the Leeward Islands and Ecuador.[4]

Common names include spineless yucca, soft-tip yucca, blue-stem yucca, giant yucca and itabo. Its flower, the izote, is the national flower of El Salvador.

Description

Although it can grow up to 9 m (30 ft) in height, with a spread to 4.5 m (15 ft), it is usually less than 6 m (20 ft) in height. It may have a thick, single trunk or be multitrunked resulting from a thickened, inflated, trunk-like lower base similar to an elephant's foot.[5][6] The leaves are strap-like, spineless and up to 1.2 m (4 ft) in length. White flowers are produced in the summer, followed by brown, fleshy fruits which are oval and up to 2.5 cm (1 in) long.[5]

Taxonomy

The species is most widely known today as Yucca elephantipes. The first mention of that name was by Eduard von Regel in February 1859. He claimed that a different species, Y. aloifolia, was sometimes known as "Yucca elephantipes" when grown in European gardens because of its thickened stem base.[7] However, since he did not intend to offer Y. elephantipes as the actual correct name, this was not a valid publication. In a major article on yuccas and allies in 1902, William Trelease also used the name Y. elephantipes, referring to Regel's 1859 publication.[8] This came too late though, as Yucca gigantea had by then already been previously established.[9][10]

Charles Lemaire published the name Yucca gigantea in November 1859.[9] This is the name used by the World Checklist of Selected Plant Families as of January 2014,[1] although other sources use Yucca guatemalensis, published by Baker in 1872.[3]

Cultivation

The species can be grown in a variety of soils and is drought-tolerant. Young plants are occasionally used as houseplants. Yucca gigantea may be subject to a number of pests including scale, Yucca moth borers, and black weevils. Plants are subject to root rot if overwatered. Leaf spot may affect the appearance of the leaves, but it does not affect the health of the plant. Propagation is by suckers, cuttings or seed.[5]

Cultivars

A number of cultivars have been released including:

Uses

The flowers are used as ingredients in recipes due to their bitter taste. The plants are often used on coffee estates to prevent soil erosion on steep slopes.

Gallery

  • Yucca gigantea in the Parc de la Ciutadella, Barcelona

  • Izote, the national flower of El Salvador

  • Yucca elephantipes1.JPG

    Detail of the trunk base, similar to an elephant foot (hence the synonym elephantipes)

References

  1. ↑ 1.0 1.1 1.2 1.3 World Checklist of Selected Plant Families, 291761.
  2. ↑ Tropicos, Yucca gigantea
  3. ↑ 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ Kew World Checklist of Selected Plant Families
  5. ↑ 5.0 5.1 5.2 Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Lua error in package.lua at line 80: module 'strict' not found. p. 35: "Wegen des am Grunde verdickten Stammes in den Gärten auch als Y. elephantipes gehend." (Going also in gardens as Y. elephantipes because of the thickened base of the stem).
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found. p. 94
  9. ↑ 9.0 9.1 Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  11. ↑ 11.0 11.1 11.2 Lua error in package.lua at line 80: module 'strict' not found.
  12. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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