Midewin National Tallgrass Prairie
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  • Glade Mallow

    SCIENTIFIC NAME: Napaea dioica

    COMMON NAMES: Glade Mallow

    BLOOM TIME: June, July, Aug


    • 3 - 9 ft. tall with erect central stem & shorter stems on upper half of plant.
    • Leaves are up to 18 in. in diameter with 5 - 9 lobes & spiky edges.
    • Plants are either male or female.
    • Female showy white flowers have 5 petals and white spiky centers, with a pleasant fragrance.
    • Habitat: part shade to sun; Likes moist to wet soil in floodplains, along streams, open woodland, or woodland edges.
    • Long hollow taproot.
    • Not common in Illinois.


    • The foliage is readily browsed by cattle, other farm animals, & deer.
    • This large leafy plant often forms colonies, providing significant cover for a variety of animals & insects.