Rhus glabra

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Rhus glabra nf.jpg


Plant Characteristics
Habit   shrub
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Scientific Names

Anacardiaceae >

Rhus >

glabra >


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Rhus glabra (Smooth Sumac) is a species of sumac in the family Anacardiaceae, native to North America, from southern Quebec west to southern British Columbia in Canada, and south to northern Florida and Arizona in the United States and Tamaulipas in northeastern Mexico.

One of the easiest shrubs to identify throughout the year (unless mistaken for Rhus vernix, poison sumac, in the absence of mature fruit) smooth sumac has a spreading, open-growing shrub growing up to 3 m tall, rarely to 5 m. The leaves are alternate, 30-50 cm long, compound with 11-31 leaflets, each leaflet 5-11 cm long, with a serrated margin. The leaves turn scarlet in the fall. The flowers are tiny, green, produced in dense erect panicles 10-25 cm tall, in the spring, later followed by large panicles of edible crimson berries that remain throughout the winter. The buds are small, covered with brown hair and borne on fat, hairless twigs. The bark on older wood is smooth and grey to brown.


Read about Rhus glabra in the Standard Cyclopedia of Horticulture 

Rhus glabra, Linn. (Schmaltzia glabra, Small). Smooth Sumac. Shrub, to 15 ft. with glabrous and glaucous branches: lfts. 11-31. lanceolate-oblong, pointed, serrate, glaucous beneath, 2-5 in. long: fls. green, in dense panicles, to 10 in. long: fr. scarlet, viscid-pubescent. July; fr. in Aug., Sept. Var. laciniata, Carr. Lfts. pinnately dissected. This variety with its deeply and finely cut lvs. is very handsome; it is tenderer than the cut-lvd. form of the preceding species and does not grow so high.


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