![](../../pictures/archives/compress/2020/2700/jpeg/25t.jpg) Flower of prickly pear cactus (Opuntia engelmanii(?)) in Lick Creek Park. College Station, Texas, May 4, 2020
![](../../pictures/archives/compress/2020/2700/jpeg/23t.jpg) Yellow flower of prickly pear cactus (Opuntia engelmanii(?)) with a bee in Lick Creek Park. College Station, Texas, May 4, 2020
![](../../pictures/archives/compress/2020/2702/jpeg/03t.jpg) Yellow flower of prickly pear cactus (Opuntia) in Lick Creek Park. College Station, Texas, May 7, 2020
![](../../pictures/archives/compress/2024/3522/jpeg/10t.jpg) Blooming prickly pear cactus (Opuntia) in Leach Teaching Gardens at Texas A and M University. College Station, Texas, April 28, 2024
![](../../pictures/archives/compress/2009/747/jpeg/02t.jpg) Redeye prickly pear cactus (Engelmann prickly pear, Opuntia phaeacantha var. discata) on Savanna Meadow Trail in Ladybird Johnson Wildflower Center. Austin, Texas, May 10, 2009
![](../../pictures/archives/compress/2023/3406/jpeg/31t.jpg) Blooming prickly pear cactus (Opuntia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
![](../../pictures/archives/compress/2008/642/jpeg/22t.jpg) Nymphs of cactus bug Chelinidea vittiger feeding on prickly pear cactus (discolored areas of opuntia is the result of punctures) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, May 11, 2008
![](../../pictures/archives/compress/2017/2217/jpeg/11t.jpg) Pad decay fungus Aspergillus alliaceus(?) (black) on prickly pear cactus (Opuntia) on Kiwanis Nature Trail. College Station, Texas, December 20, 2017
![](../../pictures/archives/compress/2017/2217/jpeg/10t.jpg) Warped pad of prickly pear cactus (Opuntia) with a cladode rot fungus Aspergillus alliaceus(?) (black) on Kiwanis Nature Trail. College Station, Texas, December 20, 2017
![](../../pictures/archives/compress/2018/2251/jpeg/17t.jpg) Emerging pad of prickly pear cactus (opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 26, 2018
![](../../pictures/archives/compress/2018/2415/jpeg/25t.jpg) Prickly peas (Opuntia) cactus in Lick Creek Park. College Station, Texas, December 18, 2018
![](../../pictures/archives/compress/2024/3525/jpeg/17t.jpg) Yellow flower of pricly pear cactus (Opuntia) on Closed Trail in Lick Creek Park. College Station, Texas, May 4, 2024
![](../../pictures/archives/compress/2018/2251/jpeg/18t.jpg) Close up of a tender young pad of prickly pear cactus (opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 26, 2018
![](../../pictures/archives/compress/2018/2251/jpeg/16t.jpg) Tender young pad or nopalitos of prickly pear cactus (opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 26, 2018
![](../../pictures/archives/compress/2009/727/jpeg/25t.jpg) Tender young pad or nopalitos of prickly pear cactus (opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 31, 2009
![](../../pictures/archives/compress/2024/3501/jpeg/14t.jpg) Young pads of prickly pear cactus (Opuntia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
![](../../pictures/archives/compress/2024/3501/jpeg/15t.jpg) Close-up of young pad of prickly pear cactus (Opuntia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
![](../../pictures/archives/compress/2024/3501/jpeg/16t.jpg) Top view of young pad of prickly pear cactus (Opuntia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
![](../../pictures/archives/compress/2016/1785/jpeg/02t.jpg) Prickly pear cactus (Opuntia) in Dahl Al Hamam Park at Al Markhiya Street. Doha, Qatar, March 21, 2016
![](../../pictures/archives/compress/2008/677/jpeg/08t.jpg) Coreid bugs Chelinidea vittiger (adult with feeding nymph) on a pad of prickly pear cactus (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 7, 2008
![](../../pictures/archives/compress/2021/2883/jpeg/08t.jpg) Dwarf rosette lichen Physcia neogaea on a dry pad of prickly pear cactus (Opuntia) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
![](../../pictures/archives/compress/2018/2248/jpeg/23t.jpg) Prickly pear cactus (Opuntia) on Moore s Hill Outcrop at FM Road 3090 near Navasota. Texas, April 21, 2018
![](../../pictures/archives/compress/2009/742/jpeg/08t.jpg) Snail feeding on a green pad of prickly pear cactus (Opuntia) in Antique Rose Emporium in Independence. Texas, May 3, 2009
![](../../pictures/archives/compress/2023/3385/jpeg/15t.jpg) Flower buds on a pad of prickly pear cactus (Opuntia) in Bastrop State Park. Bastrop, Texas, April 15, 2023
![](../../pictures/archives/compress/2023/3403/jpeg/02t.jpg) Blooming prickly pears (Opuntia) in Lick Creek Park. College Station, Texas, May 4, 2023
![](../../pictures/archives/compress/2012/1055/jpeg/12t.jpg) Tender young pads or nopalitos of prickly pear cactus (Opuntia) in Antique Rose Emporium. Independence, Texas, May 13, 2012
![](../../pictures/archives/compress/2023/3385/jpeg/13t.jpg) Green flower buds of prickly pear cactus (Opuntia) in Bastrop State Park. Bastrop, Texas, April 15, 2023
![](../../pictures/archives/compress/2009/738/jpeg/21t.jpg) Blooming Prickly pears (Opuntia) cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 26, 2009
![](../../pictures/archives/compress/2023/3406/jpeg/30t.jpg) Yellow flower of prickly pear cactus (Opuntia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
![](../../pictures/archives/compress/2009/747/jpeg/01t.jpg) Orange flowers of Prickly pear cactus (Opuntia) on Savanna Meadow Trail in Ladybird Johnson Wildflower Center. Austin, Texas, May 10, 2009
![](../../pictures/archives/compress/2009/746/jpeg/26t.jpg) Yellow flowers of Prickly pear cactus (Opuntia) on Savanna Meadow Trail in Ladybird Johnson Wildflower Center. Austin, Texas, May 10, 2009
![](../../pictures/archives/compress/2009/728/jpeg/13t.jpg) Rapidly growing vegetative shoot of prickly pear cactus (opuntia) with glossy wax coating and fresh areolas bearing leaf primordia, spines and tufts of glochids in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 1, 2009
![](../../pictures/archives/compress/2009/727/jpeg/26t.jpg) Tender young pad or nopalitos of prickly pear cactus (opuntia) with glossy wax coating and fresh areolas bearing leaf primordia, spines and tufts of glochids (barbed hairs) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 31, 2009
![](../../pictures/archives/compress/2022/3133/jpeg/04t.jpg) Dry pad skeleton of prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
![](../../pictures/archives/compress/2022/3132/jpeg/24t.jpg) Vegetative shoot of prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
![](../../pictures/archives/compress/2023/3334/jpeg/30t.jpg) Purplish pads of a prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
![](../../pictures/archives/compress/2022/3133/jpeg/05t.jpg) Texture of a pad skeleton of prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
![](../../pictures/archives/compress/2012/1044/jpeg/14t.jpg) Yellow flowers of Prickly pear cactus (Opuntia) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
![](../../pictures/archives/compress/2024/3480/jpeg/03t.jpg) Texture of a pad skeleton of prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
![](../../pictures/archives/compress/2009/746/jpeg/23t.jpg) Yellow and orange flowers of Engelmann prickly pear cactus (Opuntia phaeacantha var. discata) on Savanna Meadow Trail in Ladybird Johnson Wildflower Center. Austin, Texas, May 10, 2009
![](../../pictures/archives/compress/2023/3334/jpeg/31t.jpg) Close-up of purple spots on pads of a prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
![](../../pictures/archives/compress/2008/669/jpeg/22t.jpg) Cactus coreid bug Chelinidea vittiger on a pad of prickly pear cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 12, 2008
![](../../pictures/archives/compress/2021/3005/jpeg/02t.jpg) Nymphs of cactus bug Chelinidea vittiger feeding on prickly pear cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 11, 2021
![](../../pictures/archives/compress/2008/675/jpeg/10t.jpg) Cactus coreid bug Chelinidea vittiger nymph on a pad of prickly pear cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 29, 2008
![](../../pictures/archives/compress/2008/645/jpeg/23t.jpg) Blooming prickly pear cactus north from Capulin Canyon in Bandelier National Monument. New Mexico, near Los Alamos, May 24, 2008
![](../../pictures/archives/compress/2011/936/jpeg/18t.jpg) Blooming prickly pears cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 30, 2011
![](../../pictures/archives/compress/2024/3614/jpeg/09t.jpg) Slice of prickly pear (fruit of Opuntia) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a supermarket. College Station, Texas, September 3, 2024
![](../../pictures/archives/compress/2009/745/jpeg/03t.jpg) Dried sap of prickly pears cactus (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 8, 2009
![](../../pictures/archives/compress/2009/740/jpeg/13t.jpg) New growth of prickly pears cactus (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 1, 2009
![](../../pictures/archives/compress/2008/640/jpeg/21t.jpg) Sprout of prickly pears cactus (opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 6, 2008
![](../../pictures/archives/compress/2024/3614/jpeg/12t.jpg) Section of prickly pear (cactus fruit) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a supermarket. College Station, Texas, September 3, 2024
![](../../pictures/archives/compress/2021/3074/jpeg/17t.jpg) Prickly peas (Opuntia) cactus at the entrance in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 3, 2021
![](../../pictures/archives/compress/2008/640/jpeg/22t.jpg) Emerging sprout (new pad) of prickly pears cactus (opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 6, 2008
![](../../pictures/archives/compress/2024/3614/jpeg/10t.jpg) Close-up of a slice of prickly pear (cactus fruit) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a supermarket. College Station, Texas, September 3, 2024
![](../../pictures/archives/compress/2024/3614/jpeg/11t.jpg) Details of a slice of prickly pear (cactus fruit) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a supermarket. College Station, Texas, September 3, 2024
![](../../pictures/archives/compress/2020/2654/jpeg/07t.jpg) Skeleton of a dry pad of prickly pears cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
![](../../pictures/archives/compress/2020/2662/jpeg/16t.jpg) Dry pad skeleton of prickly pears cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
![](../../pictures/archives/compress/2007/604/jpeg/25t.jpg) Purple-tinged prickly pear cactus in the middle part of Smokey Creek Trail. Big Bend National Park, Texas, November 25, 2007
![](../../pictures/archives/compress/2007/605/jpeg/13t.jpg) Purple-tinged prickly pear cactus on Smokey Creek Trail near Trap Spring east from Mule Ear Overlook. Big Bend National Park, Texas, November 25, 2007
![](../../pictures/archives/compress/2014/1470/jpeg/03t.jpg) Blooming Christmas cholla cactus (Tasajillo, Opuntia leptocaulis) in a ranch at 7278 Batts Ferry Road. College Station, Texas, August 1, 2014
![](../../pictures/archives/compress/2009/725/jpeg/19t.jpg) Shoot of prickly pears cactus (Opuntia) in Antique Rose Emporium in Independence. Texas, March 22, 2009
![](../../pictures/archives/compress/2009/736/jpeg/16t.jpg) Flower bud of prickly pears cactus (Opuntia) in Antique Rose Emporium. Independence, Texas, April 19, 2009
![](../../pictures/archives/compress/2021/2883/jpeg/09t.jpg) Dwarf rosette lichen Physcia neogaea on a dry pad of prickly pear cactus in prairie in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
![](../../pictures/archives/compress/2009/736/jpeg/18t.jpg) Vegetative shoot of prickly pears cactus (Opuntia) in Antique Rose Emporium. Independence, Texas, April 19, 2009
![](../../pictures/archives/compress/2011/989/jpeg/08t.jpg) Prickly pear (Opuntia) pad in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
![](../../pictures/archives/compress/2019/2454/jpeg/13t.jpg) Prickly pear cacti (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
![](../../pictures/archives/compress/2009/728/jpeg/01t.jpg) Tender young pad or nopalitos of prickly pear cactus with glossy wax coating and fresh areolas bearing leaf primordia, spines and tufts of glochids (barbed hairs) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 31, 2009
![](../../pictures/archives/compress/2010/886/jpeg/26t.jpg) Cactus coreid bug (Chelinidea vittiger) on a pad of prickly pear in Antique Rose Emporium. Independence, Texas, August 7, 2010
![](../../pictures/archives/compress/2021/2883/jpeg/10t.jpg) Slender orange-bush lichen (Teloschistes exilis) together with Parmotrema and Physcia on an old pad of prickly pear cactus in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
![](../../pictures/archives/compress/2009/728/jpeg/12t.jpg) Rapidly growing vegetative shoot of prickly pear cactus with glossy wax coating and fresh areolas bearing leaf primordia, spines and tufts of glochids (barbed hairs) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 1, 2009
![](../../pictures/archives/compress/2009/736/jpeg/15t.jpg) Rapidly growing vegetative shoot of prickly pears cactus (Opuntia) in Antique Rose Emporium. Independence, Texas, April 19, 2009
![](../../pictures/archives/compress/2009/736/jpeg/19t.jpg) Snail feeding on a fresh young pad of prickly pears cactus (Opuntia) in Antique Rose Emporium. Independence, Texas, April 19, 2009
![](../../pictures/archives/compress/2007/602/jpeg/02t.jpg) Prickly pear cactus on Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
![](../../pictures/archives/compress/2021/3005/jpeg/03t.jpg) Nymphs of cactus bug Chelinidea vittiger feeding on Opuntia cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 11, 2021
![](../../pictures/archives/compress/2014/1466/jpeg/03t.jpg) Prickly peas (Opuntia cactus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
![](../../pictures/archives/compress/2018/2239/jpeg/23t.jpg) Pads of prickly peas cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 25, 2018
![](../../pictures/archives/compress/2024/3480/jpeg/02t.jpg) Skeleton of a dry pad of prickly pears cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
![](../../pictures/archives/compress/2022/3195/jpeg/08t.jpg) Dry skeleton of prickly peas cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 22, 2022
![](../../pictures/archives/compress/2020/2691/jpeg/01t.jpg) Prickly pears (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 21, 2020
![](../../pictures/archives/compress/2022/3195/jpeg/07t.jpg) Rusty pads of prickly peas cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 22, 2022
![](../../pictures/archives/compress/2009/736/jpeg/17t.jpg) Rapidly growing vegetative shoot of prickly pears cactus (Opuntia) with fleshy, green, leaf-like phylloclades in Antique Rose Emporium. Independence, Texas, April 19, 2009
![](../../pictures/archives/compress/2020/2691/jpeg/03t.jpg) Fresh pads of prickly pears (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 21, 2020
![](../../pictures/archives/compress/2018/2239/jpeg/25t.jpg) Prickly peas cactus (Opuntia) with yellow Senecio(?) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 25, 2018
![](../../pictures/archives/compress/2013/1318/jpeg/16t.jpg) Pads of prickly pear cactus on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 27, 2013
![](../../pictures/archives/compress/2024/3489/jpeg/04t.jpg) Prickly pear cactus on a mural "500 Anos de Resistencia" by Salvadoran artist Isaias Mata (1992) on 24th Street in Mission District of San Francisco. California, March 16, 2024
![](../../pictures/archives/compress/2020/2677/jpeg/23t.jpg) Young pad of prickly pears (Opuntia) in Antique Rose Emporium. Independence, Texas, March 31, 2020
![](../../pictures/archives/compress/2024/3509/jpeg/05t.jpg) Blooming Southern prickly-ash (Zanthoxylum clava-herculis) in Bee Creek Park. College Station, Texas, April 9, 2024
![](../../pictures/archives/compress/2014/1470/jpeg/10t.jpg) Flowers of Christmas cholla cactus (Tasajillo, Opuntia leptocaulis) in a ranch at 7278 Batts Ferry Road. College Station, Texas, August 1, 2014
![](../../pictures/archives/compress/2014/1470/jpeg/04t.jpg) Fruits of Christmas cholla cactus (Tasajillo, Opuntia leptocaulis) in a ranch at 7278 Batts Ferry Road. College Station, Texas, August 1, 2014
![](../../pictures/archives/compress/2014/1470/jpeg/02t.jpg) Flower of Christmas cholla cactus (Tasajillo, Opuntia leptocaulis) in a ranch at 7278 Batts Ferry Road. College Station, Texas, August 1, 2014
![](../../pictures/archives/compress/2022/3202/jpeg/15t.jpg) Prickly pears (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 3, 2022
![](../../pictures/archives/compress/2020/2815/jpeg/05t.jpg) Bunny Ears Cactus (Opuntia microdasys) with small short thorns in Antique Rose Emporium. Independence, Texas, November 12, 2020
![](../../pictures/archives/compress/2014/1470/jpeg/05t.jpg) Flower and fruits of Christmas cholla cactus (Tasajillo, Opuntia leptocaulis) in a ranch at 7278 Batts Ferry Road. College Station, Texas, August 1, 2014
![](../../pictures/archives/compress/2009/783/jpeg/01t.jpg) Fruits of prickly pears (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 29, 2009
![](../../pictures/archives/compress/2012/1103/jpeg/19t.jpg) Fruits of prickly pears (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 10, 2012
![](../../pictures/archives/compress/2008/693/jpeg/05t.jpg) Pad of pricly pears (opuntia) cactus with snow in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 10, 2008
![](../../pictures/archives/compress/2020/2815/jpeg/06t.jpg) Close-up of Bunny Ears Cactus (Opuntia microdasys) with small short thorns in Antique Rose Emporium. Independence, Texas, November 12, 2020
![](../../pictures/archives/compress/2020/2706/jpeg/06t.jpg) Blooming Tephrosia onobrychoides in Lick Creek Park. College Station, Texas, May 11, 2020
![](../../pictures/archives/compress/2022/3202/jpeg/18t.jpg) Prickly pears (Opuntia) near Howdy Haus at Floriculture Road in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 3, 2022
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