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Like its common names suggest, Smilax rotundifolia is a green vine with thorns. It is a crawling vine that can tangle itself within other plants and climb with small tendrils. [7] The plant can grow up to 20 feet long by climbing objects and vegetation. If there is nothing for it to climb upon it will grow along the ground.
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]
Crataegus (/ k r ə ˈ t iː ɡ ə s /), [2] commonly called hawthorn, quickthorn, [3] thornapple, [4] May-tree, [5] whitethorn, [5] Mayflower or hawberry, is a genus of several hundred species of shrubs and trees in the family Rosaceae, [6] native to temperate regions of the Northern Hemisphere in Europe, Asia, North Africa and North America.
Crataegus pennsylvanica, known as the Pennsylvania thorn, [2] is a species of hawthorn native to Delaware, New York, North Carolina, Ontario, Ohio, and Pennsylvania, [2] that grows to about 8 m in height. [2] The mature trees have few thorns. [2]
Smilax is a genus of about 300–350 species, found in the tropics and subtropics worldwide. [1] They are climbing flowering plants, many of which are woody and/or thorny, in the monocotyledon family Smilacaceae, native throughout the tropical and subtropical regions of the world.
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.
Parthenocissus quinquefolia, known as Virginia creeper, Victoria creeper, five-leaved ivy, or five-finger, is a species of flowering vine in the grape family, Vitaceae.It is native to eastern and central North America, from southeastern Canada and the eastern United States west to Manitoba and Utah, and south to eastern Mexico and Guatemala.
Dioscorea villosa is a species of twining tuberous vine which is native to eastern North America. It is commonly known as wild yam, colic root, rheumatism root, devil's bones, and fourleaf yam. [4] It is common and widespread in a range stretching from Texas and Florida north to Minnesota, Ontario and Massachusetts. [3] [5] [6] [7] [8]