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Rare Plant Field Guide




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Photo Copyright © 1999 courtesy of the Colorado Natural Areas Program

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Polygonaceae (Knotweed Family)

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Look Alikes: E. pelinophilum has white to cream or pink flowers, longer involucres (3-3.5 mm long), and occurs farther south than E. contortum.

Flowering/Fruiting Period: Flowers May-August.

Habitat: Mancos Shale badlands, with shadscale and other salt desert shrub communities. Elev. 4500-5100 ft.

Photo Copyright © 1999 courtesy of the Colorado Natural Areas Program
Distribution: Utah and Colorado (Garfield and Mesa Cos.).

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References: Welsh et al. 1993.



Please send comments to: Colorado Natural Heritage Program
254 General Services Building, Colorado State University · Fort Collins, CO 80523 · (970) 491-2992