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Ligustrum quihoui

Quihoui privet

Synonym(s):
Family: Oleaceae (Olive Family)
Duration and Habit: Perennial Shrub

Photographer: Clyde McKinney
Source: Invaders of Texas

Description

Ligustrum quihoui is a semi-evergreen to evergreen shrub, one to three meters high. Ligustrum quihoui can be confused with the morphologically similar Ligustrum sinense (Chinese privet), but can be distinguished by its narrower leaves, highly divaricate branching habit, and narrower inflorescence.

Native Lookalikes: Currently no information available here yet, or there are no native Texas species that could be confused with Quihoui privet.

Ecological Threat: Can out compete native vegetation and when not controlled can create a monoculture and change the understory of a forest.

Biology & Spread: Birds disperse seeds readily.

History: Introduced as an ornamental

U.S. Habitat: Forested areas.

Distribution

U.S. Nativity: Introduced to U.S.

Native Origin: China

U.S. Present: AR, FL, NC, TX, VA

Distribution in Texas:

Mapping

Invaders of Texas Map: Ligustrum quihoui
EDDMapS: Ligustrum quihoui
USDA Plants Texas County Map: Ligustrum quihoui

Native Alternatives

• Morella cerifera (wax myrtle)
  
• Ilex vomitoria (yaupon)
  
• Prunus caroliniana (Carolina laurelcherry)
  
• Rhus virens (evergreen sumac)
  
• Leucophyllum frutescens (Texas barometer bush)
• Malpighia glabra (wild crapemyrtle)

Other alternatives include inkberry (Ilex glabra), spicebush (Lindera benzoin), blackhaw (Viburnum prunifolium), red or black chokeberry (Aronia arbutifolia or melanocarpa)

Management

USE PESTICIDES WISELY: ALWAYS READ THE ENTIRE PESTICIDE LABEL CAREFULLY, FOLLOW ALL MIXING AND APPLICATION INSTRUCTIONS AND WEAR ALL RECOMMENDED PERSONAL PROTECTIVE GEAR AND CLOTHING. CONTACT YOUR STATE DEPARTMENT OF AGRICULTURE FOR ANY ADDITIONAL PESTICIDE USE REQUIREMENTS, RESTRICTIONS OR RECOMMENDATIONS. MENTION OF PESTICIDE PRODUCTS ON THIS WEB SITE DOES NOT CONSTITUTE ENDORSEMENT OF ANY MATERIAL.

Text References

Henderson State University. Ligustrum quihoui. Accessed 19 August 2010 (http://www.hsu.edu/default.aspx?id=47318).

Alfred Rehder, Manual of Cultivated Trees and Shrubs: Hardy in North America, The MacMillan Co., New York (1967), Bailey, L.H. and E.Z. Bailey, Hortus Third: A Concise Dictionary of Plants Cultivated in the United States and Canada, MacMillan Publishing Co., Inc., New York , (1977).)

NatureServe Explorer

Online Resources

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Google Search: Ligustrum quihoui
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NatureServe Explorer: Ligustrum quihoui
USDA Plants: Ligustrum quihoui
Invasive Plant Atlas of the United States: Ligustrum quihoui
Bugwood Network Images: Ligustrum quihoui