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Title: Ephedra in the Chihuahuan Desert
Caption: An ephedra plant, a source of ephedrine alkaloids, on the Cattail Falls trail, Chihuahuan Desert, Big Bend National Park, Texas.
Credit: Album / Science Source / GREGORY DIMIJIAN
Image size: 2460 × 3700 px | 26.0 MB
Print size: 20.8 × 31.3 cm | 968.5 × 1456.7 in (300 dpi)