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The areoles are 0.6–1.3 cm (1 ⁄ 4 – 1 ⁄ 2 in) apart, with whitish wool and a few white to yellow bristles, which are much longer and more abundant on older joints. There are 2–7 spines up to 1–6.5 cm ( 1 ⁄ 2 – 2 + 1 ⁄ 2 in) long and 1–3 very short ones; they are dark brown [ 3 ] and weak, the upper spine usually longer and ...
Opuntia guatemalensis is a low growing, spreading prickly pear, with pads that are 10–20 cm (4-8 inches) long. Areoles are light brown, or slightly tan, and raised. Spines are white-gray, being darker at the tip, and are present over 2/3 to 3/4 of an average pad. Large spines are partially perpendicular to the pad.
Opuntia polyacantha is a common species of cactus known by the common names plains pricklypear, [3] [4] starvation pricklypear, [5] hairspine cactus, [3] and panhandle pricklypear. [2] It is native to North America, where it is widespread in Western Canada , the Great Plains , the central and Western United States , and Chihuahua in northern ...
Opuntia cespitosa, commonly called the eastern prickly pear, [1] is a species of cactus native to North America. It is most common west of the Appalachian Mountains and east of the Mississippi River , where it is found in the Midwest , Upper South and in Ontario . [ 1 ]
Opuntia phaeacantha is a species of prickly pear cactus known by the common names brown-spine prickly pear, tulip prickly pear, and desert prickly pear, which is found across the southwestern United States, lower Great Plains, and northern Mexico. The plant forms dense but localized thickets.
Opuntia aciculata, also called Chenille pricklypear, [2] [3] [4] old man's whiskers, and cowboy's red whiskers, [4] is a perennial dicot and an attractive ornamental cactus native to Texas. It belongs to the genus Opuntia (prickly pear cacti). It is also widespread in Nuevo Leon and Tamaulipas (northern Mexico).
Just like other cactus species, O. austrina has spines on the joints and on the stem. O. austrina can grow up to 1 m (3 ft 3 in) in height, [6] which will form large shrubs but can also form small treelets. [4] This cactus' plants are flowering, with yellow flowers that produce red fruits. [3]
Opuntia gosseliniana, commonly known as the violet pricklypear, is a species of cactus that is native to Pima County, Arizona in the United States and Baja California, Chihuahua, and Sonora in Mexico. Like most prickly pears, the pads are flat. Unlike most prickly pears, they have a violet, pink, or red tinge, hence the name.