thumb|Illustration of Rhizanthes (then known as Brugmansia), a Rafflesiaceae species from Der Bau und die Eigenschaften der Pflanzen (1913).
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thumb|Illustration of Rhizanthes (then known as Brugmansia), a Rafflesiaceae species from Der Bau und die Eigenschaften der Pflanzen (1913).
The Rafflesiaceae are a family of rare parasitic plants comprising 36 species in 3 genera found in the tropical forests of east and southeast Asia, including Rafflesia arnoldii, which has the largest flowers of all plants. The plants are endoparasites of vines in the genus Tetrastigma (Vitaceae) and lack stems, leaves, roots, and any photosynthetic tissue. They rely entirely on their host plants for both water and nutrients, and only then emerge as flowers from the roots or lower stems of the host plants.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).