smooth sumac Anacardiaceae Rhus
glabra L. symbol: RHGL
|Leaf: Alternate, pinnately compound, 12 to 18 inches long, 11 to 31 lanceolate leaflets per leaf, each 2 to 4 inches long with a serrated margin, dark green above, paler and finely hairy below.
Flower: Species is dioecious; small, with pale yellow petals, borne in a dense upright cluster up to 8 inches long, appearing in mid to late summer.
Fruit: A small (1/8 inch) reddish, round, finely hairy drupe borne in dense upright cluster. The panicles typically droop when mature in the fall and persist into winter.
Twig: Stout, lacking hairs and often with a bluish glaucous bloom; buds are small, rounded and covered with light brown hairs, nearly encircled by leaf scar.
Bark: Brown-gray and smooth, with numerous lenticels, developing scaly ridges with age.
Form: A shrub or small tree up to 10 feet with a short or multi-stemmed trunk and wide spreading, open crown.
Looks like: shining sumac
- staghorn sumac
- poison sumac
| Additional Range Information:
Rhus glabra is native to North America.
may be expanded by planting.
See states reporting smooth sumac.
| External Links:
USDA Plants Database
|© Copyright 2015, Virginia Tech|
Dept. of Forest Resources
and Environmental Conservation,
all rights reserved.
Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson