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Brownspine Pricklypear

Opuntia phaeacantha Engelm.

Comments

provided by eFloras
Much of the material formerly assigned to varieties of Opuntia phaeacantha has been segregated as O. engelmannii. Various combinations of overlapping character states make separation of O. phaeacantha var. major from var. phaeacantha impractical. Presumably var. major comprises sprawling to erect shrubs with obovate stem segments bearing usually few darker colored spines (usually one to three) per areole, in the distal half of the stem segment or less, whereas plants of var. phaeacantha are trailing shrubs with narrowly obovate stem segments bearing more spines (usually three to ten) per areole throughout most to all of the stem segment. Recently some workers have applied O. camanchica Engelmann & Bigelow to those plants with the very dark colored spines and merged vars. major and phaeacantha. Distinctions among taxa are further blurred by hybridization of O. phaeacantha with O. engelmannii, yielding several named and unnamed hybrids, including O. wootonii Griffiths. Morphologic and genetic analyses of the populations are needed before correct names can be assigned to many of these plants with confidence.

Opuntia phaeacantha also hybridizes with O. aureispina (forming O. ×spinosibacca), O. ficus-indica, and O. littoralis (forming O. ×vaseyi), and members of the O. polyacantha complex, particularly near the regions of Grand Canyon and Four Corners.

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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 4: 139 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Description

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Shrubs, decumbent to commonly trailing, 0.3-1 m. Stem segments not disarticulating, green to dark green, sometimes reddish under stress, flattened, obovate to circular, 10-25 × 7-20 cm, low tuberculate, glabrous; areoles 5-7 per diagonal row across midstem segment, obovate to elliptic, 3-6 × 2-4 mm; wool tan to brown, aging grayish. Spines (0-)2-8 per areole, at most areoles to only distal 1/4 of stem segment, or essentially absent, brown to white, straight, curved, or spirally twisted; major central spines deflexed or spreading, brown to red-brown (to blackish), or partly to wholly gray to tan, subulate, usually flattened near base, 30-80 mm; abaxial spines usually 1-3, deflexed, white, flattened, shorter, to 20 mm. Glochids dense in crescent at adaxial edge of areole and subapical tuft, tan to red-brown, to 5 mm. Flowers: inner tepals yellow with red basal portions (rarely entirely pink to red), 30-40 mm; filaments greenish basally, pale yellow to white distally; anthers yellow; style white; stigma lobes green to yellow-green. Fruits wine red to purple, with greenish flesh (sometimes reddish and ± juicy), not long stipitate, obovate to barrel-shaped, 30-50 × 20-30 mm, fleshy, glabrous, spineless; areoles 18-24. Seeds tan, subcircular, 4-5 mm diam., evidently notched, warped; girdle protruding 1 mm. 2n = 66.
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 4: 139 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
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eFloras

Distribution

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Ariz., Calif., Colo., Kans., Nev., N.Mex., Okla., Tex., Utah; Mexico.
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 4: 139 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
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eFloras.org
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eFloras

Flowering/Fruiting

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Flowering late spring (Apr-Jul).
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 4: 139 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
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eFloras

Habitat

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Deserts, chaparral, surrounding mountains, plains, sandy to rocky soils; 200-2100m.
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 4: 139 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
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eFloras.org
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Synonym

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Opuntia angustata Engelmann & J. M. Bigelow; O. phaeacantha var. brunnea Engelmann; O. phaeacantha var. laevis (J. M. Coulter) L. D. Benson; O. phaeacantha var. major Engelmann; O. superbospina Griffiths
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 4: 139 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras

Opuntia phaeacantha

provided by wikipedia EN

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.

Description

Opuntia phaeacantha has a mounding habit of flattened green pads. The pads are protected by clusters of spines. Each cluster bearing 1-4 spines. The spines are brown, reddish-brown, yellowish, or gray, usually darker brownish toward the base than the tip, and often over 3 cm in length. At the base of the spine cluster is a round tuft of easily detached yellowish to reddish or brown bristles called Glochids. Glochids are also present on the fruit. This is the source for the plants common name "prickly pear".

The flowers are bright yellow with a pale green to orange or red center. In some regions occasional plants may produce flowers of other colors such as orange, pink, or magenta. The edible fruits are usually red or purple with a pink seedy flesh. The fruit has a mild watermelon or pear flavor. Both the fruit and the fleshy pads provide an important food resource for desert wildlife.

This plant, like other Opuntia species, is attacked by cactus moth.

Other common names for this species, and ones which are now considered variants of this species, include plateau prickly-pear, New Mexico prickly-pear, and Kingman prickly-pear.

The species is widespread, from California south to Mexico and the Southwest United States. There are multiple variations and perhaps these will be described as varieties or full species some day.[2]

Uses

The cactus can be prepared as food in a similar fashion to Opuntia humifusa.[3]

References

  1. ^ Terry, M., Heil, K., Gómez-Hinostrosa, C. & Corral-Díaz, R. 2017. Opuntia phaeacantha (amended version of 2013 assessment). The IUCN Red List of Threatened Species 2017: e.T152851A121613191. https://dx.doi.org/10.2305/IUCN.UK.2017-3.RLTS.T152851A121613191.en. Downloaded on 16 September 2021.
  2. ^ "Opuntia phaeacantha". Opuntia Web. 24 January 2012.
  3. ^ Elias, Thomas S.; Dykeman, Peter A. (2009) [1982]. Edible Wild Plants: A North American Field Guide to Over 200 Natural Foods. New York: Sterling. p. 140. ISBN 978-1-4027-6715-9. OCLC 244766414.

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Opuntia phaeacantha: Brief Summary

provided by wikipedia EN

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.

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