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Prickles on a blackberry branch. In plant morphology, thorns, spines, and prickles, and in general spinose structures (sometimes called spinose teeth or spinose apical processes), are hard, rigid extensions or modifications of leaves, roots, stems, or buds with sharp, stiff ends, and generally serve the same function: physically defending plants against herbivory.
The species name is taken from the Latin words spina meaning thorn or spine and escens meaning beginning. The name refers to the branches ending with a sharp point or spine. [1] The species was named by George Bentham in 1842 as part of the William Jackson Hooker work Notes on Mimoseae, with a synopsis of species published in the London Journal ...
Chorizanthe is a genus of plants in the buckwheat family known generally as spineflowers. These are small, squat, herbaceous plants with spiny-looking inflorescences of flowers. The flowers may be in shades of red or yellow to white.
The Chorizanthe rigida plant, is a short, erect and sometimes single-stalked, but multi-stalked to 5 stalks or more, 2.5-2.5–6.0 inches (1–2 dm) in height. It grows quickly, especially following spring rains. With the onset of early summer it turns into a spine-skeleton.
Tephrocactus articulatus is a species of cactus in the subfamily Opuntioideae of the plant family Cactaceae. They usually grow branches up to one foot tall with white flowers. Its most notable feature are its needles or spines which, if present, are flat and resemble parchment. [2] Propagation is usually through cuttings.
Momordica dioica, commonly known as spiny gourd or spine gourd [2] or teasle gourd and also known as bristly balsam pear, [3] is a species of flowering plant in the Cucurbitaceae/gourd family. It is propagated by underground tubers. It has small leaves, small yellow flowers, it has small, dark green, round or oval fruits.
Cylindropuntia is a genus of cacti (family Cactaceae), containing species commonly known as chollas (/ ˈ tʃ ɔɪ ə z /), native to northern Mexico and the Southwestern United States.
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.