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By removing prickles from various species, including roses and eggplants, the authors found that a LOG gene was responsible for the prickles in about 20 types of plants studied.
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.
Coprosma quadrifida is a dioecious shrub of the family Rubiaceae native to southeastern Australia.First described as Canthium quadrifidum by Labillardiere, it was given its current name by B. L. Robinson in 1910. [1]
Both bear showy flowers in spring, which are followed by prickly or spiny capsules that split open in fall to release 1 or 2 nuts inside. Unlike actual chestnuts, the nuts of Aesculus species are ...
Rubus pensilvanicus is a prickly shrub up to 3 meters (10 feet) tall. The canes are green at first but then turn dark red, usually ridged, with copious straight prickles. The leaves are palmately compound, usually bearing 5 or 7 leaflets. The flowers are white with large petals, borne in mid-spring.