Cydista and Pachystegia, are related to what?
Cydista Cydista is a genus that consists of more than twenty species of lowland, showy, evergreen, ornamental shrubs and woody vines, ranging from central and southern Mexico to Paraguay and eastern Brazil. The genus is characterized by the lack of a nectariferous disk and is associated with the multiple-bang flowering syndrome. All species are lianas with clusters of funnelform flowers, bloomig twice a year in spring and fall. The flowers start of purple and change to a lighter shade of lavender with age, then fading to almost white, followed by linear oblong fruits and winged seeds. The plants are multi-stemmed with opposite, oval, glossy, dark-green leaves and 2 leaflets, and climb by tendrils arise from the leaf axils. Leaves smell like garlic when crushed.
Salvia candidissima Salvia candidissima is a herbaceous perennial native throughout western Greece, and parts of Turkey, Iraq, and Iran, generally between 2000 and 6500 feet elevation. Several small stems grow almost horizontally from the roots before bearing upright inflorescences. The plant reaches 3 ft in height and width in the wild. The light green leaves, 6 in long by 4 in wide, are covered with hairs on both sides and often have notches on the edges. The leaves become lighter in color as the weather gets hotter. The 8-12 inch inflorescences are branched, with 1 inch flowers in whorls that are creamy white and sometimes tipped with a yellow lip. "Salvia candidissima" is one of a group of seven salvias that are closely related, grow in the same habitat, and easily hybridize with each other, resulting in a great deal of variety in the species.