Also found in: Dictionary, Thesaurus, Wikipedia.
firethorn,any hardwood evergreen shrub of the genus Pyracantha of the family Rosaceae (roserose,
common name for some members of the Rosaceae, a large family of herbs, shrubs, and trees distributed over most of the earth, and for plants of the genus Rosa, the true roses.
..... Click the link for more information. family). Native from S Europe to W China, pyracanthas are now cultivated elsewhere (often as hedge plants or espaliered on walls) for their red fruits and spiny branches. P. coccinea, also called everlasting thorn, is the most popular; it now grows wild in parts of North America. Pyracantha is classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
..... Click the link for more information. , class Magnoliopsida, order Rosales, family Rosaceae.