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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.
Pyracantha (from Greek pyr "fire" and akanthos "thorn", hence firethorn) [1] is a genus of large, thorny evergreen shrubs in the family Rosaceae, with common names firethorn or pyracantha. They are native to an area extending from Southwest Europe east to Southeast Asia.
Neltuma juliflora (Spanish: bayahonda blanca, Cuji in Venezuela, Trupillo in Colombia, Aippia in the Wayuunaiki language and long-thorn kiawe [1] in Hawaii), formerly Prosopis juliflora, is a shrub or small tree in the family Fabaceae, a kind of mesquite. [2] It is native to Mexico, South America and the Caribbean.
Ziziphus nummularia is a much-branched, widely-spreading, thorny bush or shrub up to 6 or 8 m (20 or 26 ft) tall. The branches and twigs have a velvety texture and a pale purplish colour. The lateral roots are long and spread deeply into the substrate. The alternately arranged leaves are simple and ovate, 2.5 cm (1 in) long, with serrate ...
Historically this area was covered by tropical dry deciduous forest, but this only remains in isolated fragments. The vegetation now consists of mainly of southern tropical thorn scrub type forests. These consist of open woodland with thorny trees with short trunks and low, branching crowns; spiny and xerophytic shrubs; and dry grassland.
Rubus ellipticus, commonly known as ainselu, [4] golden evergreen raspberry, [5] golden Himalayan raspberry, or yellow Himalayan raspberry, [6] is an Asian species of thorny fruiting shrub in the rose family.
A thorn forest is a dense scrubland with vegetation characteristic of dry subtropical and warm temperate areas with a seasonal rainfall averaging 250 to 500 mm (9.8 to 19.7 in). Regions [ edit ]
Vachellia nilotica, more commonly known as Acacia nilotica, and by the vernacular names of gum arabic tree, [5] babul, [6] thorn mimosa, Egyptian acacia or thorny acacia, [7] is a flowering tree in the family Fabaceae. It is native to Africa, the Middle East and the Indian subcontinent.