IUCN threat status:

Not evaluated

Comprehensive Description

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Description

This native woody shrub is up to 20' tall, but more often 5-6' tall. The new growth of the stems is usually covered with a greyish pubescence. The alternate compound leaves are oddly pinnate, individually consisting of 7-21 leaflets and a central leaf stalk that is conspicuously winged. These compound leaves are up to 2½' long. A leaflet is about 3" long and 1" across. It is ovate or ovate-lanceolate, with smooth margins and an upper surface that is glabrous or slightly pubescent. Some of the upper stems terminate in a panicle of flowers up to 1' long. This panicle is broader at the bottom than the top. The small flowers are yellowish white and individually about 1/8" across. Each flower consists of 5 spreading petals, 5 stamens, and a central pistil. The calyx is divided into 5 triangular lobes that are recurved. Sometimes Winged Sumac is dioecious, with male and female plants. When this occurs, the flowers of the male plants will lack pistils, while the flowers of the female plants will lack stamens. The flowers usually bloom during mid-summer for about 2-3 weeks. Later in the year, they are replaced by dark red drupes that are covered with short acid hairs. Each drupe is about 1/6" long and contains a smooth stone. These drupes persist through the winter, gradually becoming black. The root system consists of a taproot and spreading rhizomes. Sometimes vegetative colonies of plants are created by the rhizomes. Cultivation

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© John Hilty

Source: Illinois Wildflowers

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