Alcea setosa Alcea setosa Alcea setosa, the bristly hollyhock, is an ornamental plant in the family Malvaceae. The bristly hollyhock is native to the Levant, ranging from Crete and Turkey to Israel and Jordan. The part above ground of the plant withers and dies in the summer. In the winter, a rosette of flowers develops and a vertical flowering stem grows out of it. The pink flowers are numerous and large, while in the Galilee and the Carmel the flowers are darker and in the Gilboa and Samaria the flowers are lighter. The whole plant is bristly, hence its common name. The
Tabebuia rosea disorders. Among the various active phytochemicals in the tree is lapachol, a natural organic compound isolated from various other "Tabebuia" species. Chemically, it is a derivative of naphthoquinone, related to vitamin K. Once studied as a possible treatment for some types of cancer, lapachol's potential is now considered low due to its toxic side effects. Lapachol also has antimalarial and antipanasomal effects. Tabebuia rosea Tabebuia rosea, also called pink poui, and rosy trumpet tree is a neotropical tree that grows up to and can reach a diameter at breast height of up to . The name Roble de Sabana, meaning