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The stems are armed with clusters of up to about 10 red to pink [10] spines, which may be 3 cm (1.2 in) long [10] and are barbed and sharp enough to easily penetrate leather gardening gloves. [12] The stems and fruits also have many spines or "glochids" about 1 mm (0.04 in) long [ 10 ] that can detach and stick in the skin.
They are known for their barbed spines that tenaciously attach to skin, fur, and clothing. Stands of cholla are called cholla gardens. Stands of cholla are called cholla gardens. Individuals within these colonies often exhibit the same DNA , as they were formerly tubercles of an original plant.
Cylindropuntia bigelovii has a soft appearance due to its solid mass of very formidable spines that completely cover the stems, leading to its sardonic nickname of "teddy bear". The teddy-bear cholla stands 1 to 5 ft (0.30 to 1.52 m) tall with a distinct trunk. The branches or lobes are at the top of the trunk and are nearly horizontal.
Cylindropuntia fulgida, the jumping cholla, also known as the hanging chain cholla, is a cholla cactus native to Sonora and the Southwestern United States. [1]The greatest range of the jumping cholla is the entirety of Sonora, except the Sierra Madre Occidental cordillera on the east and northern California, including the major islands of Tiburon and Isla Ángel de la Guarda.
Branches are narrow, 3–5 mm across. Spines 0-1 (occasionally as many as 3) at each areole. Flowers open in the late afternoon and are pale yellow or greenish yellow, with occasional red tips. [2] The fruits are crushed and mixed with a beverage by the Apache, Chiricahua, and Mescalero to produce narcotic effects. [3]
Silver cholla is a large, shrub to tree-like cactus which may exceed 0.5 to 2 m (1.6 to 6.6 ft) in height. Its stems and branches are made up of cylindrical green tubercles (segments) up to 1.5 cm wide and just under 1.0 cm tall. The elliptical white or yellow areoles turn gray and bear conspicuous yellow glochids that are 3 to 4 millimeters long.
Cylindropuntia ramosissima is a decumbent or erect and treelike cactus which can approach 2 meters-6 feet in maximum height. It has many narrow branches made up of cylindrical segments, green in color drying gray, the surface divided into squarish, flat tubercles with few or no spines, or often with a single long, straight spine.
The spines of this cactus are generally less than 2 cm (0.79 in) long, and are colored a yellow to orange-brown. Most species of cholla have paper-like sheath enclosed over their spines. [6] On this species, the sheath is a translucent white to gold-brown. The flower is yellow to yellow-green, and the filaments are green.