Roundleaf Greenbrier (Smilax rotundifolia)
Description
Smilax rotundifolia, known as roundleaf greenbrier and common greenbrier, is a woody vine native to the eastern and south-central United States and to eastern Canada. It is a common and conspicuous part of the natural forest ecosystems in much of its native range. The leaves are glossy green, petioled, alternate, and circular to heart-shaped. They are generally 5–13 cm long. Common greenbrier climbs other plants using green tendrils growing out of the petioles. The stems are round and green and have sharp spines. The flowers are greenish, and are produced from April to August. The fruit is a bluish black berry that ripens in September.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Magnoliophyta
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Class: Liliopsida
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Order: Liliales
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Family: Smilacaceae
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Genus: Smilax
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