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Vachellia cornigera, commonly known as bullhorn acacia (family Fabaceae), is a swollen-thorn tree and myrmecophyte native to Mexico and Central America.The common name of "bullhorn" refers to the enlarged, hollowed-out, swollen thorns (technically called stipular spines) that occur in pairs at the base of leaves, and resemble the horns of a steer.
They are best known for their enlarged and ornate pronotum, expanded into often fantastic shapes that enhance their camouflage or mimicry, often resembling plant thorns (thus the commonly used name of "thorn bugs" for a number of treehopper species). Treehoppers have specialized muscles in the hind femora that unfurl to generate sufficient ...
The adult males reach 7–10 millimetres (0.28–0.39 in) in length, [4] [3] while females are slightly larger. The basic colouration of the stocky body is dark-brown. The large protruding eyes are round and reddish-brown to red.
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.
Koeberlinia spinosa is a species of flowering plant native to the southwestern United States and northern Mexico known by several common names, including crown of thorns, allthorn, and crucifixion thorn. It is one of two species of the genus Koeberlinia, which is sometimes considered to be the only genus in the plant family Koeberliniaceae.
Datura stramonium, known by the common names thornapple, jimsonweed (jimson weed), or devil's trumpet, [2] is a poisonous flowering plant in the Daturae tribe of the nightshade family Solanaceae. [3]
The plant itself is an upright or low-lying shrub that can grow to 4.5 feet (1.4 m) tall. Its foliage is light green, and its stalks have conspicuous purple stripes. The ovate-shaped leaves can be whole or toothed. [1] Datura discolor has large flowers, which makes it attractive for garden cultivation. The flowers open for only one night and ...
Pyracantha crenulata is a deciduous, bushy and profusely branched and very thorny shrub.It grows up to 2.4–3.0 m (7 ft 10.5 in – 9 ft 10.1 in) tall. It has dark brown stem bark which becomes glabrous (hairless) when mature.