Aristolochiaceae Juss.

Birthwort Family

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Plants > Angiosperms > Aristolochiaceae

Kingdom: Plantae
Clade: Angiosperms
Class: Dicots
Order: Piperales
Family: Aristolochiaceae

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The Aristolochiaceae are a family, the birthwort family, of flowering plants with seven genera and about 400 known species belonging to the order Piperales. Wikipedia

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Genera: Aristolochia

Aristolochia acuminata

Aristolochia ringens

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References: 
Wikipedia