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

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

Description:
General:

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

Leaves:

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

Flowers:

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.

Fruits:

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

Accepted Name:
Rhus glabra L.
Publication: Sp. Pl. 1: 265. 1753.

Synonyms:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Rhus glabra in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Rhus glabra checklist entry.

E-Flora BC: Rhus glabra atlas page.

CalPhotos: Rhus glabra photos.

USDA Plants: Rhus glabra information.

43 photographs:
Group by