A tropical American shrub or small tree(Quassia amara) having bright scarlet flowers and yielding a valuable, lustrous, fine-grained, yellowish-white wood.
A thorny evergreen shrub or small tree(Citrus medica)native to India and widely cultivated for its large,lemonlike fruits that have a thick,warty rind.
A brownish-yellow oil obtained from the seeds of a tropical Asian shrub or small tree (Croton tiglium) and having a cathartic action too violent for human use.
Results indicate that phanerophyte is the dominant synusia in the shrub layer and hemicryptophyte in the herbage layer, and Selaginella is the only species on the forest floor.
Any of various Mediterranean shrubs of the genus Cytisus in the pea family, especially C. Scoparius, having mostly compound leaves with three leaflets and showy, usually bright yellow flowers.
Attractive, narrow shrub or small tree (Rhus, or Toxicodendron, vernix) of the sumac, or cashew, family, also called poison elder, native to swampy acidic soils of eastern North America.