Hoptree, Common, or Western Wafer-ash
Ptelea angustifolia
Rutaceae - Rue

Description

Leaves: Alternate; once pinnately compound; deciduous; 3 leaflets; dark green; strong odor when crushed; shiny.

Twigs/buds: Twigs slender; round; dark brown; shiny. No terminal bud; lateral buds small, hairy.

Flowers/fruit: Flowers polygamo-monoecious, greenish-white, small, fragrant; held in dense clusters; appear in mid-May to early June. Fruit a two-seeded samara that resembles hops or an elm samara; round; 1/2" to 1" diameter; held in drooping clusters that persist after leaves fall; bitter tasting.

Bark: Dark gray to gray-brown; fairly smooth to warty.

Wood: Heavy; hard; ring-porous; not important.

General: Native from western Texas, west to California, and northern Mexico, including southern Utah. Thought by some to be a variant of an eastern U.S. species, Ptelea trifoliata var. angustifolia. Typically found on rocky slopes at the edge of wooded areas. Intermediate shade tolerance.

Landscape Use: Seldom if ever planted in cultivated landscapes. Small and generally shrubby. Likely fairly drought tolerant and able to withstand harsh soils conditions. Zones 3-9.

Characteristics

General

Family Rutaceae - Rue
Cultivar Availability No
Hardiness Zone 3-9
Type Broadleaf
Utah Native Yes

Growth

Growth Rate Low
Mature Height Low
Longevity Medium
Is Good Under Power Lines Yes
Crown Shapes Shrubby

Ornamental

Bark Yes
Fall Color Yes
Flowers No
Foliage No
Fruit Yes

Tolerance

Shade High
Salt Medium
Drought Medium
Poor Drainage Low
Alkalinity Medium
Transplanting High