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Kali tragus, the Russian thistle Leaves of a mature plant coming into flower, each leaf with one flower and two bracts in its axil. Salsola tragus is an annual forb.In habit, the young plant is erect, but it grows into a rounded clump of branched, tangled stems, each one up to about a metre long.
Lycium ruthenicum (Chinese: 黑果枸杞; pinyin: hei guo gou qi), is a flowering plant commonly known as Russian box thorn in the West. [1] It is a species of flowering plant in the nightshade family which can be found in Central Asia, southern part of Russia, throughout Northwest China, [2] Northern India and Pakistan. [3]
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.
Crataegus ambigua is a species of thorn native to Western Asia and Eastern Europe, including Armenia, Iran, Russia, and Turkey. [2] It grows as a shrub or tree up to about 12 m in height. [ 2 ] The fruit is dark red to purple or black, with one or two stones ( pyrenes ).
The generic name Lycium is derived from the Greek word λυκιον (lykion), which was applied by Pliny the Elder (23-79) and Pedanius Dioscorides (ca. 40–90) to a plant known as dyer's buckthorn. It was probably a Rhamnus species and was named for Lycia (Λυκία), the ancient southern Anatolian region in which it grew.
Thorn tree may refer to: The common name for several species of trees in tropical or temperate climates that have spiky, thornlike leaves, e.g. the Acacia and the boxthorn (Lycium) Thorntree, a housing estate in the town of Middlesbrough, in North East England; A long-running travel-related discussion forum on the Web site of Lonely Planet
Thumbtack-like Tribulus terrestris burs are a hazard to bare feet and bicycle tires.. After the flower blooms, a fruit develops that easily falls apart into five burs. [3] The burs are hard and bear two to four sharp spines, [3] 10 mm (0.39 in) long and 4–6 mm (0.16–0.24 in) broad point-to-point.
Euphorbia milii, the crown of thorns, Christ plant, or Christ's thorn, is a species of flowering plant in the spurge family Euphorbiaceae, native to Madagascar. The species name commemorates Baron Milius , once Governor of Réunion, who introduced the species to France in 1821.