Botany Photo of the Day: Zanthoxylum oxyphyllum(Site not responding. Last check: 2007-11-06)
Zanthoxylum is a member of the citrus family, the Rutaceae, so its relations include oranges, lemons and limes.
Zanthoxylum is an interesting genus from a number of points of view (see our interpretive sign for Z.
Zanthoxylum americanum is prickly ash, also used in herbal medicine, but this time the inner bark is used, important for its peppery quality which carries herbal constituents into tissue and through phlegm.
Zanthoxylum (from the Greek ξανθὸν ξύλον, "yellow wood") is a genus of about 250 species of deciduous and evergreen trees and shrubs in the family Rutaceae, native to warm temperate and subtropical areas worldwide.
The fruit of several species are used to make the spice Sichuan Pepper.
Zanthoxylum species are used as food plants by the larvae of some Lepidoptera species including The Engrailed.
TOOTHACHE TREE AND HERCULES' CLUB IN LOUISIANA(Site not responding. Last check: 2007-11-06)
Both plants, Aralia spinosa and Zanthoxylum clava-herculis, are widespread throughout the Southeastern United States and have a history of use by both the early settlers and by the various tribes of Indians.
Zanthoxylum is in the citrus family (Rutaceae) and is a large genus with 2 species in Louisiana and l8 in North America including Hawaii.
Modern herbalists specify the bark and berries of Zanthoxylum as a treatment for rheumatism and as a stimulant for blood circulation.
In this presentation, the author has discussed the chemistry of the various species examined to date. The focus has been on the local uses and commercial importance of the species, the values of the various metabolites in medicine and their general potential in drug development.
The hot, peppery taste of the Zanthoxylum roots is a common feature of all the roots known. The benumbing effect on the pallate when chewed is characteristic and has been used to advantage in the treatment of mouth infections particularly in the elderly.
Zanthoxylum zanthoxyloides) probably started in this environment with the observation or chance discovery by El-Said (El-Said et al., 1971) and his team in 1971 that the Fagara root extract possessed activity on the red cell membrane.
Composition of the Leaf Oils of Rutaceae: Zanthoxylum hyemale A. St. Hill, Z. rhoifolium Lam.
The volatile oil composition obtained from the leaves of Zanthoxylum hyemale, Zanthoxylum rhoifolium and Zanthoxylum rugosum have been investigated by gas chromatography (GC) and GC/MS.
The species Zanthoxylum hyemale, Z. rhoifolium and Z. rugosum, locally called "coentrilho" and "mamica-de-cadela" are originally from South America (Southern Brazil, Uruguay, Paraguay and Argentina) (1,2).
Fruit is a fleshy capsule, 4 - 6 mm in diameter, green to red-brown, spherical, pitted, splitting along one side to reveal one or two small, fl, oily seeds.
Similar Species: Zanthoxylum americanum can be distinguished by its aromatic plant parts, twigs with 2 flattened prickles at each node, pinnately compound leaves with 5 - 11 leaflets, and red-brown, spherical capsules that split along one side to reveal 1 or 2 fl seeds.
Etymology: Zanthoxylum comes from the Greek words xanthos, meaning yellow, and xylon, meaning wood, referring to the yellow heartwood.
The bark, leaves, and fruit of species in the genus Zanthoxylum have historically been used medicinally, especially in Latin America.
This species, the small prickly-ash, or Zanthoxylum parvum, is a shrub that grows up to 2 meters (6 feet) tall, with spines along its stem and branches.
The Nature Conservancy of Texas acquired significant land in the area where this species is found, and has secured conservation easements on others, likely improving the conservation situation of this species.