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Echinocereus triglochidiatus is a species of hedgehog cactus known by several common names, including kingcup cactus, claret cup cactus, red-flowered hedgehog cactus and Mojave mound cactus. This cactus is native to the southwestern United States and northern Mexico, where it is a resident of varied habitats from low desert to rocky slopes ...
Cylindropuntia was formerly treated as a subgenus of Opuntia, but have now been separated based on their cylindrical stems (Opuntia species have flattened stems) and the presence of papery epidermal sheaths on the spines (Opuntia has no sheaths). [1]
Gymnocalycium mihanovichii is a species of cactus from South America. [2] The most popular cultivars are varied mutants which completely lack chlorophyll, exposing the red, orange, or yellow pigmentation. These mutant strains are often grafted onto the hylocereus cactus, and the combined plant is called a "Moon Cactus".
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.
The broadly funnel-shaped flowers are bright pink to slightly pink-magenta or rarely white and have a white or yellow throat. They never appear near the tips of the shoots, are 8 to 10 cm (3.1 to 3.9 in) long and reach a diameter of 10 to 15 cm (3.9 to 5.9 in). The egg-shaped green fruits have brown thorns and loose wool. They tear irregularly. [3]
The cactus bears funnel-shaped flowers that are maroon outside, and bright yellow inside, with red tints and yellow centers on the side that faces the sun, measuring 3 to 6 cm (1.2 to 2.4 in) in length and 4 to 6 cm (1.6 to 2.4 in) in diameter. The fleshy, hollow fruits are spherical, yellow, and about 3 cm (1.2 in) long.
Other species of cactus with long-lasting leaves, such as the opuntioid Pereskiopsis, also have succulent leaves. [18] A key issue in retaining water is the ratio of surface area to volume. Water loss is proportional to surface area, whereas the amount of water present is proportional to volume.
Disocactus phyllanthoides, the nopalxochitl or German empress, is a species of flowering plant in the cactus family Cactaceae. It is commonly grown as an ornamental houseplant . It is one of the three major species involved in creating the widely grown epiphyllum hybrids or "epis".