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Opuntia aciculata Griffiths 1916
Life   Plantae   Dicotyledoneae   Cactaceae   Opuntia

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FNA | Family List | FNA Vol. 4 | Cactaceae | Opuntia

11. Opuntia aciculata Griffiths, Proc. Biol. Soc. Wash. 29: 10. 1916.

Cowboy's red whiskers

Opuntia lindheimeri Engelmann var. aciculata (Griffiths) Bravo

Shrubs , spreading, to 1.2 m. Stem segments not disarticulating, deep green, flattened, subcircular to obovate, 13-20 × 8-10 cm, nearly smooth, glabrous; areoles 5-7 per diagonal row across midstem segment, subcircular, 4-5 mm diam.; wool brown, long. Spines commonly absent or evenly distributed with 1-3(-8) per areole, deflexed, yellow or brown, tipped yellow or mottled brown, straight, acicular, the longest to 50 mm. Glochids widely and evenly spaced, conspicuous, radiating like star or pincushion, pale to deep red-brown, sometimes tipped yellow, 3-8 mm. Flowers: inner tepals yellow, orange, or deep red (rarely magenta), to 30 mm; anthers yellow; filaments and style usually cream to pink; stigma lobes dark green. Fruits purplish red, ovoid to pyriform, 30-38 × 17-25 mm, juicy, glabrous, spineless; areoles 24-26. Seeds subcircular, 3-3.5 mm diam.; girdle size unknown. 2 n = 44.

Flowering spring (Apr-May). Rangeland scrub, gravelly hills; 100-200 m; Tex.

Opuntia aciculata is found in the flora area only along the Rio Grande in Webb County, Texas, perhaps introduced. It was reported from Nuevo León, Mexico, according to D. Weniger (1970). The spineless or nearly spineless form with red to deep red tepals is widely cultivated.

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Opuntia aciculata Griffiths
chenille pricklypear

General Information
Symbol: OPAC2
Group: Dicot
Family: Cactaceae
Duration: Perennial
Growth Habit : Shrub
Native Status : L48   N
Data Source and Documentation
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green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   




Symbol Scientific Name
OPENA Opuntia engelmannii Salm-Dyck ex Engelm. var. aciculata (Griffiths) D. Weniger, nom. nud.


Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Caryophyllidae
Order Caryophyllales
Family Cactaceae – Cactus family
Genus Opuntia Mill. – pricklypear
Species Opuntia aciculata Griffiths – chenille pricklypear

Subordinate Taxa

This plant has no children

Legal Status

Wetland Status

Interpreting Wetland Status

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (OPAC2)
Flora of North America (OPAC2)
Integrated Taxonomic Information System (OPENA)
Related Websites
FL-South American Cactus Moth (UofFL) (OPAC2)
Global Invasive Species Database (OPAC2)
Jamaica-Introduction to the Cactus Moth (OPAC2)
MS-Early Detection and Reporting of Cactus Moth (OPAC2)
TX-Tracking the Cactus Moth (OPAC2)
USDA ARS-South American Cactus Moth Control (OPAC2)
www.pestalert.org (OPAC2)



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover

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