Opuntia stricta

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Opuntia stricta
Opuntia stricta, Sete, Herault 01.jpg
Opuntia stricta with fruits
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Genus: Opuntia
Species:
O. stricta
Binomial name
Opuntia stricta
(Haw.) Haw. [2]
Synonyms [3]
Synonymy
  • Cactus opuntia var. inermisDC.
  • Cactus strictusHaw.
  • Consolea bahamana(Britton & Rose) A.Berger
  • Opuntia airampoPhil.
  • Opuntia bahamanaBritton & Rose
  • Opuntia balearicaF.A.C.Weber ex Hirscht
  • Opuntia bartramiiRaf.
  • Opuntia bentoniiGriffiths
  • Opuntia dillenii var. reitziiScheinvar
  • Opuntia dillenii var. tehuantepecanaBravo
  • Opuntia inermis(DC.) DC.
  • Opuntia keyensisBritton ex Small
  • Opuntia longicladaGriffiths
  • Opuntia magnificaSmall
  • Opuntia nejapensisBravo
  • Opuntia parvaA.Berger
  • Opuntia stricta subsp. esparzaeScheinvar
  • Opuntia stricta var. reitzii(Scheinvar) Scheinvar & A.Rodr.
  • Opuntia tehuantepecana(Bravo) Bravo
  • Opuntia tenuifloraSmall
  • Opuntia vulgaris var. balaericaF.A.C.Weber
  • Pilocereus flavispinusRümpler
  • Pilocereus nobilisK.Schum.

Opuntia stricta is a species of large cactus that is endemic to the subtropical and tropical coastal areas of the Americas, especially around the Caribbean. [2] Common names include erect prickly pear and nopal estricto (Spanish). [4] The first description as Cactus strictus was published in 1803 by Adrian Hardy Haworth. In 1812 he moved the species to the genus Opuntia.

Contents

Description

Close up of flower Opuntia stricta, flower bud, Sete, Herault.jpg
Close up of flower

It is a shrubby, erect plant, extending lengthwise to somewhat upright and reach heights of growth up to 2 m (6.6 ft) in height, producing lemon yellow flowers in the spring and summer, followed by purplish-red fruits. It is quick to colonize hot, open environments with sandy soils. The blue-green shoot sections are bald, flattened, ovate to inverted egg-shaped, and are tapered at the base. They are 25 to 64 cm (10 to 25 inches) long and 15 to 64 cm (6 to 25 inches) inches wide. The brownish areoles are far apart leaving most of the epidermis, with often one or more yellowish spines, at least near the edges and towards the apex. They carry striking, yellow glochids that are 2 to 6 mm (0.079 to 0.236 inches) long. The 1 to 5 awl-shaped spur is flattened, provided with a light barb at the top thorns are yellow. They are perpendicular to the surface of the shoots and are 1.3 to 12.7 cm (0.5 to 5 inches) long. [5]

The yellow to yellowish orange flowers, which are solitary and formed by numerous membranous parts, reach a length of 13 to 15 cm (5 to 6 inches) and a diameter of 10 to 15 cm (4 to 6 inches). The flowers are ephemeral and melliferous. The purple-red, smooth fruits are inverted-egg-shaped and tapered at the base. They are 6.4 to 8.9 cm (2.5 to 3.5 inches) inches long and covered with plenty of glochids and are more or less pyriform, always purple in color, 4 to 6 cm (1.6 to 2.4 inches) in length and contain from 60 to 180 seeds (which may remain viable for more than 10 years), yellow to light brown, incorporated into the fruit pulp. As fruits are appreciated by birds and mammals, their seeds are dispersed by animals. The mucilage inside the leaves is used to treat burns and abscesses. It is edible in the same way as fruits. [6]

Distribution

Opuntia stricta occurs naturally in coastal beach scrub and sandy coastal environments in South Carolina, Georgia, Florida, Louisiana along the Gulf Coast in Texas, Mississippi, and Alabama in the United States, as well as Bermuda, the Caribbean, eastern Mexico, Central America, and northern South America (in Venezuela and Ecuador). O. stricta is a major component in the understory of Bahamian dry forests in the Bahamas and the Turks and Caicos Islands. [7]

Invasive species

Fruit Opuntia stricta fruit.jpg
Fruit

Opuntia stricta is listed in the IUCN's “List of the world's 100 worst invasive species”. [8] Opuntia stricta has been introduced to other parts of the world, including Africa (including Madagascar), [9] Australia and southern Asia. O. stricta is considered an invasive species in South Africa and Kenya. [10] In Australia it has been the subject of one of the first effective biological control exercises using the moth Cactoblastis cactorum . [2] It was declared a Weed of National Significance by the Australian Weeds Committee in April 2012, but continues to be kept under control by the use of the Cactoblastis moth and a cochineal insect, Dactylopius opuntiae. [11]

In Sri Lanka it has overgrown a 30 kilometres (20 mi) long coastal area between Hambantota and Yala National Park, especially in Bundala National Park, a Ramsar wetland site. It has overgrown several hundreds of hectares (acres) of sand dune areas and adjoining scrub forests and pasture lands. Some areas are so densely covered that they are completely inaccessible for humans and animals. The seeds are spread by macaque monkeys, and perhaps other animals and birds that eat the large fruits. It is also spread by people cutting down the cactus but leaving the cuttings, which then re-sprout where they have fallen. No control measures have been carried out except some costly manual removal of about 10 hectares (25 acres) on the dunes near Bundala village. The cactus is due to invade Yala National Park. [12]

The opposite problem has been encountered in Texas, where Cactoblastis cactorum was first found in Brazoria County in 2017. This species of moth is highly destructive to this (and other) species of cactus native to the southern United States and northern Mexico. [13]

See also

Related Research Articles

<span class="mw-page-title-main">Nopal</span> Fruit of the Opuntia cactus

Nopal is a common name in Spanish for Opuntia cacti, as well as for its pads.

<i>Cylindropuntia imbricata</i> Species of cactus

Cylindropuntia imbricata, the cane cholla, is a cactus found in the Southwestern United States and northern Mexico, including some cooler regions in comparison to many other cacti. It occurs primarily in the arid regions of the Southwestern United States in the states of Kansas, Oklahoma, Texas, New Mexico, Arizona, Colorado, and Nevada. It is often conspicuous because of its shrubby or even tree-like size, its silhouette, and its long-lasting yellowish fruits.

<span class="mw-page-title-main">Jean White-Haney</span> Australian botanist

Rose Ethel Janet White-Haney, known as Jean White-Haney, was a botanist in Queensland, Australia. She was officer-in-charge of the Queensland Board of Advice on Prickly Pear Destruction and helped develop biological control methods for managing the invasive cactus.

<i>Cactoblastis cactorum</i> Species of moth

Cactoblastis cactorum, the cactus moth, South American cactus moth or nopal moth, is native to Argentina, Paraguay, Uruguay and southern Brazil. It is one of five species in the genus Cactoblastis that inhabit South America, where many parasitoids, predators and pathogens control the expansion of the moths' population. This species has been introduced into many areas outside its natural range, including Australia, the Caribbean, and South Africa. In some locations, it has spread uncontrollably and was consequently classified an invasive species. However, in other places such as Australia, it has gained favor for its role in the biological control of cacti from the genus Opuntia, such as prickly pear.

<i>Opuntia engelmannii</i> Species of cactus

Opuntia engelmannii is a prickly pear common across the south-central and Southwestern United States and northern Mexico. It goes by a variety of common names, including desert prickly pear, discus prickly pear, Engelmann's prickly pear in the US, and nopal, abrojo, joconostle, and vela de coyote in Mexico.

<i>Opuntia phaeacantha</i> Species of cactus

Opuntia phaeacantha is a species of prickly pear cactus known by the common names brown-spine prickly pear, tulip prickly pear, and desert prickly pear found across the southwestern United States, lower Great Plains, and northern Mexico. The plant forms dense but localized thickets. Several varieties of this particular species occur, and it may hybridize with other prickly pears, making identification sometimes tricky.

<i>Cyclura rileyi</i> Species of lizard

Cyclura rileyi, commonly known as the Bahamian rock iguana or the San Salvador rock iguana, is a critically endangered species of lizard in the family Iguanidae. The species is native to three island groups in the Bahamas, and is in decline due to habitat encroachment by human development and predation by feral dogs and cats. There are three subspecies: the Acklins ground iguana, the White Cay iguana, and the nominotypical subspecies.

<i>Opuntia monacantha</i> Species of cactus

Opuntia monacantha, commonly known as drooping prickly pear, cochineal prickly pear, or Barbary fig, is a species of plant in the family Cactaceae native to South America.

<i>Opuntia humifusa</i> Species of cactus

Opuntia humifusa, commonly known as the devil's-tongue, eastern prickly pear or Indian fig, is a cactus of the genus Opuntia present in parts of the eastern United States, Mississippi and northeastern Mexico.

<span class="mw-page-title-main">Bundala National Park</span> National park in Sri Lanka

Bundala National Park is an internationally important wintering ground for migratory water birds in Sri Lanka. Bundala harbors 197 species of birds, the highlight being the greater flamingo, which migrate in large flocks. Bundala was designated a wildlife sanctuary in 1969 and redesignated to a national park on 4 January 1993. In 1991 Bundala became the first wetland to be declared as a Ramsar site in Sri Lanka. In 2005 the national park was designated as a biosphere reserve by UNESCO, the fourth biosphere reserve in Sri Lanka. The national park is situated 245 kilometres (152 mi) southeast of Colombo.

<i>Opuntia</i> Genus of cactus

Opuntia, commonly called the prickly pear cactus, is a genus of flowering plants in the cactus family Cactaceae, many known for their flavorful fruit and showy flowers. Prickly pear alone is more commonly used to refer exclusively to the fruit, but may also be used for the plant itself; in addition, other names given to the plant and its specific parts include tuna (fruit), sabra, nopal from the Nahuatl word nōpalli, nostle (fruit) from the Nahuatl word nōchtli, and paddle cactus. The genus is named for the Ancient Greek city of Opus, where, according to Theophrastus, an edible plant grew and could be propagated by rooting its leaves. The most common culinary species is the Indian fig opuntia (O. ficus-indica).

<span class="mw-page-title-main">Prickly pears in Australia</span> Invasive cacti in Australia

Prickly pears include a number of plant species that were introduced and have become invasive in Australia.

<i>Opuntia aciculata</i> Species of cactus

Opuntia aciculata, also called Chenille pricklypear, old man's whiskers, and cowboy's red whiskers, is a perennial dicot and an attractive ornamental cactus native to Texas. It belongs to the genus Opuntia. It is also widespread in Nuevo Leon and Tamaulipas.

<i>Opuntia aurantiaca</i> Species of cactus

Opuntia aurantiaca, commonly known as tiger-pear, jointed cactus or jointed prickly-pear, is a species of cactus from South America. The species occurs naturally in Argentina, Paraguay and Uruguay and is considered an invasive species in Africa and Australia.

<i>Opuntia triacantha</i> Species of cactus

Opuntia triacantha is a species of cactus known by the common names Spanish lady, Keys Joe-jumper, Big Pine Key prickly-pear, and jumping prickly apple. It is native to the Caribbean, from Desecheo Island, Puerto Rico, to the Lesser Antilles.

<i>Opuntia macrocentra</i> Species of cactus

Opuntia macrocentra, the long-spined purplish prickly pear or purple pricklypear, is a cactus found in the lower Southwestern United States and Northwestern Mexico. A member of the prickly pear genus, this species of Opuntia is most notable as one of a few cacti that produce a purple pigmentation in the stem. Other common names for this plant include black-spined pricklypear, long-spine prickly pear, purple pricklypear, and redeye prickly pear.

<i>Opuntia rufida</i> Species of cactus

Opuntia rufida is a species of prickly pear cactus native to southwestern Texas and northern Mexico, where it grows on rocky slopes. The species makes up for its total lack of spines with a profusion of red-brown glochids. The common name blind prickly pear or cow blinder comes from the fact that the glochids may be carried away by the wind and blind animals.

Opuntia lagunae, commonly known as the Laguna prickly pear or the shrubby prickly pear, is a species of prickly pear cactus in the family Cactaceae. It was described by Edgar Martin Baxter.

Opuntia tehuacana, commonly known as the Tehuacán prickly pear, is a species of prickly pear cactus in the family Cactaceae. It was described by Salvador Arias Montez and Susana Gama López in 1997, who were both Mexican botanists. The species was named for the town of Tehuacán, Mexico, which is near the center of the species range.

<i>Opuntia austrina</i> Species of cactus

Opuntia austrina, also known as the Florida prickly pear, is a prickly pear cactus species that is endemic to Florida in the United States.

References

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  2. 1 2 3 "Opuntia stricta". Germplasm Resources Information Network . Agricultural Research Service, United States Department of Agriculture . Retrieved 2009-12-05.
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  4. "Opuntia stricta (Haw.) Haw". ITIS Standard Report. Integrated Taxonomic Information System. Retrieved 2009-12-03.
  5. Opuntia stricta . In: Edward F. Anderson : The Cactus Family . Timber Press: Portland, Oreg., 2001, p. 520 f. ISBN   0-88192-498-9
  6. Bernard Suprin, Arabian plants in New Caledonia, Noumea, Editions Photosynthesis2013, 382 p. ( ISBN   9782952731638 ), p. 188
  7. Opuntia stricta Haworth In: NL Britton, JN Rose : The Cactaceae. Descriptions and Illustrations of Plants of the Cactus Family . Washington, 1919, Volume I, p. 161 f.
  8. Lowe S.; Browne M.; Boudjelas S.; De Poorter M. (2000). "100 of the World's Worst Invasive Alien Species. A selection from the Global Invasive Species Database" (PDF). The Invasive Species Specialist Group (ISSG). Retrieved 28 March 2022.
  9. "Opuntia stricta (Haw.) Haw". GBIF . Retrieved 2021-11-01.
  10. "Bug v killer cactus: Kenyan herders fight to stop a plant destroying their way of life". TheGuardian.com . Retrieved 2022-06-06.
  11. "Weeds Australia - Weed Identification - Prickly Pear (common)". 2012-05-04. Archived from the original on 2012-05-04. Retrieved 2023-02-12.
  12. Lalith Gunasekera, Invasive Plants: A guide to the identification of the most invasive plants of Sri Lanka, Colombo 2009, pp. 84–85. A biodiversity status profile of Bundala National Park : a Ramsar national wetland of Sri Lanka Bambaradeniya, Channa N.B.; Ekanayake, S.P.; Fernando, R.H.S.S.; Perera, W.P.N.; Somaweera, R. Colombo : IUCN Sri Lanka, 2002. ISBN   955-8177-16-4
  13. "Cactus moths". Brackenridge Field Laboratory. The University of Texas at Austin. Retrieved 2021-03-13.

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