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B. decapetala is as a robust, thorny, evergreen shrub 2–4 m (6.6–13.1 ft) high or climber up to 10 m (33 ft) or higher; often forming dense thickets; the stems are covered with minute golden hair; the stem thorns are straight to hooked, numerous, and not in regular rows or confined to nodes. The leaves are dark green, paler beneath, not ...
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 perennial plant grows from a massive rhizome system which may extend over 1.8 metres (6 ft) into the ground. New shoots can appear over 6 m (20 ft) from the parent plant. Above the ground, the plant grows up to 0.9 metres (3 ft) tall. [3] It is a heavily branched, gray-green thicket with long spines along the branches.
Bursaria spinosa has a variable habit, and can grow anywhere from 1 to 12 m high. The dark grey bark is furrowed. The smooth branches are sometimes armed with thorns, and the leaves are arranged alternately along the stems or clustered around the nodes and have a pine-like fragrance when bruised.
Wait-a-minute tree, wait-a-bit tree, or wait-a-bit plant are common names for a variety of prickly plants that catch onto passers-by. These names come from the fact that the stems or other parts of the plant have numerous hooked thorns that tend to hook onto passers-by; the hooked person must stop ("wait a minute") to remove the thorns carefully to avoid injury or shredded clothing.
Ziziphus spina-christi, known as the Christ's thorn jujube, is an evergreen tree or plant native to the Levant, East Africa, and Mesopotamia. [3] Fruit and leaves from the tree were used in preparing ancient Egyptian foods, in cultural practices, and in skincare routines - especially with qasil powder derived from the Ziziphus spina-christi tree leaves.
The plants reach up to 4.5 m (15 ft) tall. Leaves are small and oval. The seven species have small white flowers which are 5-merous and many stamened. Fruit are either red, orange, or yellow pomes. [2] The flowers are produced during late spring and early summer; the fruit develops in late summer, and matures in late autumn. [citation needed]
Paliurus spina-christi, commonly known as Jerusalem thorn, garland thorn, Christ's thorn, or crown of thorns, is a species of Paliurus native to the Mediterranean region, Southwest Asia and Central Asia, from Morocco and Spain east to Iran and Tajikistan.