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Discovery
The truth about Echinacea: Plant commonly used for colds and flu suffers from disappearing habitat

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Echinacea angustifolia flowers

A bird's eye view of an Echinacea angustifolia, or narrow-leaved purple coneflower, plant.

Credit: Stuart Wagenius


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A closeup of Echinacea flower's spiny central disk

Coneflowers' genus name, Echinacea, refers to the plants' spiny central disk, pictured here.

Credit: Wikimedia Commons


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a field with Echinacea angustifolia plants and two people

Rarity: A dense patch of Echinacea angustifolia plants at a remnant prairie site.

Credit: Stuart Wagenius


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Scientists applying paint to Echinacea flowers in the field

Scientists apply paint to Echinacea flowers so they know which ones have been hand-pollinated.

Credit: Stuart Wagenius


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a pollinator exclusion bag covering a coneflower

In some experiments, biologists use a pollinator exclusion bag to study coneflowers.

Credit: Jennifer Ison


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Researcher Sara Zufan measuring an Echinacea plant in an experimental garden plot

Researcher Sara Zufan measures an Echinacea plant in an experimental garden plot.

Credit: Stuart Wagenius


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