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Zanthoxylum hirsutum Buckley
Texas Hercules' club, Texas prickly ash, Prickly ash, Toothache tree, Tickle-tongue, Tingle-tongue
Synonym(s): Zanthoxylum clava-herculis var. fruticosum
USDA Symbol: ZAHI2
USDA Native Status: L48 (N)
A prickly shrub, sometimes a small tree. Crushed leaves have an odor suggestive of orange peel. Found in open areas and at the edges of woodlands. Branches with prickles resembling those of a rosebush. Leaves with paired glossy leaflets along an axis bearing small prickles. Leaflets up to 1 1/2 inches long, the margins with glands in the notches between the rounded teeth. Flowers small, greenish, in clusters at the ends of branchlets. Fruit spherical, 1/4 inch in diameter, reddish brown when ripe.
Plant CharacteristicsDuration: Perennial Habit: Tree Flower:
Flowers in 2 inch clusters
Fruit: Size Class:
Bloom InformationBloom Color: Yellow , Green
Bloom Time: Mar , Apr
, TX Native Habitat:
Chaparral & brush country
Growing ConditionsWater Use: Low
Light Requirement: Part Shade
Soil Moisture: Dry
Soil Description: Sandy, Sandy Loam, Medium Loam, Clay Loam, Clay, Caliche type, Limestone-based, Calcareous.
Fall conspicuous, Aromatic, Shortgrass meadow Use Wildlife:
Fruit-birds. Use Food: Fruit
edible, with a lemon zest taste that first tingles, then numbs in the mouth, similar to the Szechuan peppers used in Chinese cuisine. Szechuan peppers are also from a Zanthoxylum
species. The leaves have a similar but less intense taste and effect. Use Medicinal: Bark,
leaves, and fruit
all numb the mouth and have been used to treat mouth pain, including toothache, hence its common name, Toothache Tree. Conspicuous Flowers:
Butterflies Larval Host:
Giant swallowtail butterfly.
PropagationPropagation Material: Root Cuttings
Butterflies and Moths of North America (BAMONA)
is a larval host and/or nectar source for:
Mr. Smarty Plants says
Edible plants native to Austin, TX
August 05, 2009
I am a chef from Buenos Aires Argentina visiting Austin, Texas and would like to learn about native, edible plants in the region.
Please let me know if there are any native, edible plants...
view the full question and answer
Herbarium Specimen(s)NPSOT 0753
Collected Apr 10, 1994 in Comal County by Mary Beth White
Wildflower Center Seed BankLBJWC-755
Collected 2010-07-16 in Travis County by Lady Bird Johnson Wildflower Center
Record Last Modified: 2010-11-16
Research By: TWC Staff