Overview

Distribution

Range Description

This species has been reported from the state of Chihuahua in Mexico (the species probably also occurs in the state of Sonora as there is suitable habitat), and from the states of Arizona, New Mexico and Texas, in the United States (Hunt et al. 2006).
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© International Union for Conservation of Nature and Natural Resources

Source: IUCN

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

National Distribution

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© NatureServe

Source: NatureServe

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Ariz., N.Mex., Tex.; Mexico (Chihuahua).
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Source: Missouri Botanical Garden

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Physical Description

Morphology

Description

Shrubs, forming clumps, to 0.4 m, often from tuberlike rootstocks. Stem segments not easily detached, dark green, cuneate-obovate to commonly rhombic, 5-20 × 4-8 cm, fleshy but firm; areoles 4-6(-8) per diagonal row across midstem segment, oval to subcircular, 2-4 mm diam.; wool tan. Spines (0-)1-6 per areole, usually in distal 40% of stem segment, gray-white to red-brown, erect or reflexed, terete or proximal ones flattened, sometimes spirally twisted, longest to 60 mm, very slender, 0.2 mm diam. Glochids well developed in adaxial tuft , yellow or tan to brown-red, aging dull brown, to 6 mm. Flowers: inner tepals red throughout or with red basal portions, 25-35 mm; filaments pale yellow; anthers yellow; style whitish; stigma lobes cream to yellow. Fruits green to yellowish to dull red, long stipitate, elongate-obovoid, 25-40 × 15-40 mm, fleshy, base not narrowed, glabrous, spineless or nearly so; umbilicus deep; areoles 14-26. Seeds tan to gray, subcircular, 4-5 mm, thickish, warped; girdle protruding to 0.5 mm. 2n = 44.
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Source: Missouri Botanical Garden

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Diagnostic Description

Synonym

Opuntia ballii Rose; O. delicata Rose; O. filipendula Engelmann; O. macrorhiza Engelmann var. pottsii (Salm-Dyck) L. D. Benson
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Source: Missouri Botanical Garden

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Type Information

Holotype for Opuntia delicata Rose
Catalog Number: US 454621
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Card file verified by examination of alleged type specimen
Preparation: Pressed specimen
Collector(s): J. N. Rose
Year Collected: 1908
Locality: Arizona, United States, North America
  • Holotype: Rose, J. N. 1911. Contr. U.S. Natl. Herb. 13: 310.
Creative Commons Attribution 3.0 (CC BY 3.0)

© Smithsonian Institution, National Museum of Natural History, Department of Botany

Source: National Museum of Natural History Collections

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Holotype for Opuntia delicata Rose
Catalog Number: US 454622
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Card file verified by examination of alleged type specimen
Preparation: Pressed specimen
Collector(s): J. N. Rose
Year Collected: 1908
Locality: Arizona, United States, North America
  • Holotype: Rose, J. N. 1911. Contr. U.S. Natl. Herb. 13: 310.
Creative Commons Attribution 3.0 (CC BY 3.0)

© Smithsonian Institution, National Museum of Natural History, Department of Botany

Source: National Museum of Natural History Collections

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Holotype for Opuntia ballii Rose
Catalog Number: US 615400
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): C. R. Ball
Year Collected: 1909
Locality: Texas, United States, North America
  • Holotype: Rose, J. N. 1911. Contr. U.S. Natl. Herb. 13: 309.
Creative Commons Attribution 3.0 (CC BY 3.0)

© Smithsonian Institution, National Museum of Natural History, Department of Botany

Source: National Museum of Natural History Collections

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
The species occurs in sandy soil, alluvial hillsides and plains, in desert scrubs and grasslands (mesquite and yucca grassland) (Paredes et al. 2000).

Systems
  • Terrestrial
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© International Union for Conservation of Nature and Natural Resources

Source: IUCN

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Plains, hills, sandy or loamy soils; 900-1900m.
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Source: Missouri Botanical Garden

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Life History and Behavior

Cyclicity

Flowering/Fruiting

Flowering late spring-early summer (May-Jul).
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Source: Missouri Botanical Garden

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2013

Assessor/s
Pinkava, D.J., Baker, M. & Puente, R.

Reviewer/s
Superina, M. & Goettsch, B.K.

Contributor/s

Justification
Opuntia pottsii has a wide range, and although a cryptic species it is probably reasonably common and resistant to most threats as it has underground tubers. Agricultural activities would have impacted some areas, but not significantly enough to warrant a more threatened listing. The species is therefore listed as Least Concern.
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© International Union for Conservation of Nature and Natural Resources

Source: IUCN

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNR - Unranked

Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© NatureServe

Source: NatureServe

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

NatureServe Conservation Status

Rounded Global Status Rank: T4 - Apparently Secure

Reasons: Found in western Texas, southern and eastern New Mexico, and southeastern Arizona in sandy or loamy plains or alluvial habitats at 1200 - 1800 m (Benson 1982).

Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© NatureServe

Source: NatureServe

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Population

Population
The population is very scattered but it is locally common. It is a cryptic species and grows from a tuberous root.

Population Trend
Stable
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© International Union for Conservation of Nature and Natural Resources

Source: IUCN

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Threats

Major Threats
There are no significant threats to this species although some areas would have been impacted by agricultural activities and there may be some localized declines.
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© International Union for Conservation of Nature and Natural Resources

Source: IUCN

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Management

Conservation Actions

Conservation Actions
The species occurs in various protected areas, such as Chirakahua National Monument.
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© International Union for Conservation of Nature and Natural Resources

Source: IUCN

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Notes

Comments

Plants of Opuntia pottsii that are intermediate morphologically to O. macrorhiza are known in Arizona.
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Source: Missouri Botanical Garden

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Disclaimer

EOL content is automatically assembled from many different content providers. As a result, from time to time you may find pages on EOL that are confusing.

To request an improvement, please leave a comment on the page. Thank you!