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Rust, Kern's pear Gymnosporangium kernianum. Rust, Pacific Coast pear Gymnosporangium libocedri. Rust, pear trellis (European pear rust) Gymnosporangium fuscum. Rust, Rocky Mountain pear Gymnosporangium nelsonii. Side rot Phialophora malorum. Silver leaf Chondrostereum purpureum. Sooty blotch Gloeodes pomigena. Thread blight (Hypochnus leaf blight)
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 ...
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. [1] Cacti are well-adapted to aridity; however, they are still vulnerable to alterations in precipitation and temperature driven by climate change. [ 2 ]
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 [2] in the US, and nopal, abrojo, joconostle, and vela de coyote in Mexico.
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. [2] [3] The plant is closely related to Opuntia microdasys, and is sometimes taken as its subspecies, O. m. subsp. rufida. [4] A commonly sold cultivar is Opuntia Rufida Minima Monstrose
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Glochids from prickly pears (Opuntia species) can cause an extremely itchy, papular eruption called sabra dermatitis, which can easily be confused with scabies or fiberglass dermatitis. Sabra dermatitis
However, dense populations of prickly pear still exist in cold and rainy areas, which are less favorable to the development of Dactylopius opuntiae. Subsequent introductions of Dactylopius opuntiae inside the Kruger National Park in the mid-1990s failed to control Opuntia stricta , confirming the importance of matching particular biotypes of ...