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Rhubarb

Rhubarb is the fleshy, edible stalks (petioles) of species and hybrids of Rheum in the family Polygonaceae, which are cooked and used for food. The plant is a herbaceous perennial that grows from short, thick rhizomes. Historically, different plants have been called "rhubarb" in English. The large, triangular leaves contain high levels of oxalic acid and anthrone glycosides, making them poisonous and therefore inedible. The small flowers are grouped in large compound leafy greenish-white to rose-red inflorescences.

From Wikipedia, licensed under CC BY-SA 4.0

Research Mentions

PubMed → · research article

Rhubarb extract shields brain cells after hemorrhagic stroke in mice

Rhubarb, the tart stalks you might harvest from a backyard patch, turns out to carry compounds th...

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Taxonomy

Scientific: Rheum rhabarbarum
Genus: Rheum
Kingdom: Plantae
Habit: herb