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Purshia stansburiana - Mexican cliffrose

Scientific Family
Rosaceae
Synonyms
Cowania mexicana, C. alba, C. mexicana var. stansburiana, C. stansburiana, P. mexicana var. stansburiana and more see SEINET.
Other common names
cliff rose
quinine bush
Stansbury's cliffrose
Plant type
Shrubs
Riparian
No

Plant Description

Origin
Native
Similar species
Fallugia paradoxa, Purshia tridentata

An evergreen, densely branched shrub or small tree with numerous branches and showy fragrant white to yellowish-white flowers; may reach 25 feet on favorable sites.

A shreddy barked shrub. Leaves alternate, simple, deeply cleft into 3 lobes, glandular, dark green above, white hairs beneath; margins rolled under. Flowers fragrant, solitary on lateral branches. Achene has a feathery persistent style.

Height
To 25 feet
Width
10 feet

Habitat

Habitat description

Found on dry rocky slopes, plateaus in grasslands, sagebrush and pinyon-juniper woodlands, and ponderosa pine forests.

Plant Community
Grasslands
Interior Chaparral
Montane Conifer Forest
Pinyon Juniper Woodlands
Low elevation
3000
High elevation
8000

Leaves

Leaf color
Dark green
Leaf type
Simple
Leaf shape
Triangular
Leaf margin
Lobed
Leaf attachment
Alternate
Leaf hairs
Bottom of leaves
Spines
No
Leaf Drop
Evergreen

Leaves are up to 1 inch long, dark green above with white woolly hairs beneath, leathery, glandular-dotted, wedge-shaped, and divided into 3 to 5 narrow lobes, with edges rolled under.

Flowers

Flower color
White to yellowish-white
Flower shape
Regular
Tubular
No
First bloom month
April
Last bloom month
September

Flowers are very fragrant and about 1 inch in diameter with 5 rounded white petals, 5 smaller, pointed green sepals and a bushy cluster of numerous yellow stamens topped by yellow anthers.

Flower clusters
None

Fruit

Fruit color
Brown to whitish
Fruit type
Feathery

Fruit is a hairy 1/4 inch long achene, with 4 to 10 seeds; each seed is attached to a 2-inch long silvery, feathery plume-like tail.

Bark/Branches

Bark color
Reddish-brown, gray
Bark texture
Shreddy or peeling

Twigs reddish-brown, glandular. Bark reddish-brown to gray, shreddy.