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Only a few types of trees have spherical, prickly seed pods, and each of these spiky trees has distinctive features. ... (Castanea dentata) are trees with green balls and used to be one of the ...
Gomphocarpus physocarpus, commonly known as hairy balls, balloonplant, balloon cotton-bush, bishop's balls, nailhead, or swan plant, [2] is a species of plant in the family Apocynaceae, related to the milkweeds. The plant is native to southeast Africa, but it has been widely naturalized as it is often used as an ornamental plant.
Datura innoxia is quite similar to D. metel, to the point of being confused with it in early scientific literature. D. metel is a closely related plant, believed until recently to be of Old World provenance (though now thought to have been brought to Asia from the Antilles no earlier than the sixteenth century) and misconstrued as being referred to in the works of Avicenna in eleventh century ...
Ceiba speciosa, the floss silk tree (formerly Chorisia speciosa), is a species of deciduous tree that is native to the tropical and subtropical forests of South America.It has several local common names, such as palo borracho (in Spanish literally "drunken stick"), or árbol del puente, samu'ũ (in Guarani), or paineira (in Brazilian Portuguese).
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.
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 petioles are prickly with swollen bases. In the autumn the leaves turn to a peculiar bronze red (touched with yellow) that makes the tree conspicuous and attractive. [2] The habit of growth and general appearance of Aralia spinosa and related tree-forming Aralia species are unique. It is usually found as a group of unbranched stems, rising ...
Zanthoxylum clava-herculis, the Hercules' club, Hercules-club, pepperwood, or southern prickly ash, is a spiny tree or shrub native to the southeastern United States.It grows to 10–17 m tall and has distinctive spined thick, corky lumps 2–3 cm long on the bark.