Page author: David Giblin
Rhus glabra
smooth sumac
WTU specimens
Other herbaria
WTU images

Distribution: East of the Cascades in Washington; British Columbia to Mexico, east to New Hampshire and Georgia.

Habitat: Dry hillsides and draws, low to moderate elevations.

Flowers: April-July

Origin: Native

Conservation Status: Not of concern


Smooth-barked shrubs 1-3 m. tall, the branches glabrous, or sparsely pubescent in the inflorescence.


Leaves pinnate; leaflets 7-29, oblong-lanceolate to elliptic, serrate, 5-12 cm. long.


Flowers in large, dense, terminal, compound panicles, mostly imperfect and the plants dioecious; calyx 5-parted; petals 5, 1-2 mm. long, yellowish, acute; fertile stamens 5, attached at the edge of a flat, lobed, fleshy disk; ovary superior, style 1, stigmas 3.


Fruit drupe-like, 4-5 mm. long, thickly reddish-hairy.