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Maclura pomifera, commonly known as the Osage orange (/ ˈ oʊ s eɪ dʒ / OH-sayj), is a small deciduous tree or large shrub, native to the south-central United States. It typically grows about 8 to 15 metres (30–50 ft) tall.
The thorns are easily able to puncture human skin, and when successful, the piercing causes a slight inflammation and severe pain. Their dense thorny structure makes them particularly valued in situations where an impenetrable barrier is required.
There are five (sometimes four) sepals about 1 mm (0.039 in) long and five (sometimes four) white or cream-coloured petals 13–18 mm (0.51–0.71 in) long. and the fruit is an oval, glabrous, orange-red berry 12–14 mm (0.47–0.55 in) long containing densely hairy seeds.
Manzanita branches with red bark. Manzanita is a common name for many species of the genus Arctostaphylos.They are evergreen shrubs or small trees present in the chaparral biome of western North America, where they occur from Southern British Columbia and Washington to Oregon, California, Utah, Arizona, New Mexico, and Texas in the United States, and throughout Mexico.
Citrus myrtifolia (chinotto), the myrtle-leaved orange tree, is a species of Citrus with foliage similar to that of the common myrtle.It is a compact tree with small leaves and no thorns which grows to a height of three metres (10 ft) and can be found in Malta, Libya, the south of France, and Italy (primarily in Liguria, typically Savona, and also in Tuscany, Sicily, and Calabria).
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 trifoliate orange is recognizable by the large 3–5 cm (1.2–2.0 in) thorns on the shoots, and its deciduous leaves with three (or rarely, five) leaflets, typically with the middle leaflet 3–5 cm (1.2–2.0 in) long, and the two side leaflets 2–3 cm (0.79–1.18 in) long.
Individual trees can live for over 300 years. [ 4 ] The leaves are thick with a waxy texture, elliptical, 7 to 15 cm ( 2 + 3 ⁄ 4 to 6 in) long and 4 to 8 cm ( 1 + 1 ⁄ 2 to 3 + 1 ⁄ 4 in) broad, arranged spirally; they are glossy dark green above and a lighter, more grayish green beneath, with an entire margin.