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Loveless, Brenda K.
Zanthoxylum clava-herculis L.
Synonym(s): Zanthoxylum macrophyllum
USDA Symbol: zacl
USDA Native Status: L48 (N)
Aromatic, spiny, round-crowned tree with spreading branches and tiny gland-dots on foliage, flowers, and fruit.
The common and Latin species names both refer to the spiny branches. As the alternate names indicate, the bitter aromatic bark is a home remedy for toothache; chewing bark or foliage numbs the pain.
Plant CharacteristicsDuration: Perennial Habit: Tree Flower:
Fruit: Size Class:
Bloom InformationBloom Color: Yellow , Green
Bloom Time: Mar , Apr
, VA Native Distribution:
Central Virginia to S. Florida, west to E. Texas, and north to SE. Oklahoma; to 500 (152 m). Native Habitat:
Fence rows, Prairie, Plains, Meadows, Pastures, Savannahs
Growing ConditionsWater Use: Medium
Light Requirement: Sun
Soil Moisture: Dry
Soil Description: Sandy Loam, Sandy, Medium Loam, Acid-based
BenefitUse Ornamental: Aromatic, Showy
Use Wildlife: Seeds-granivorous birds.
Conspicuous Flowers: yes
Larval Host: Giant swallowtail butterfly.
Butterflies and Moths of North America (BAMONA)
is a larval host and/or nectar source for:
National Wetland Indicator Status
|Status:|| FAC || FAC || FACU |
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Wildflower Center Seed BankLBJWC-1073
Collected 2011-08-03 in Harris County by Lady Bird Johnson Wildflower Center
Record Last Modified: 2013-07-12
Research By: TWC Staff