Which flowering tree genus is commonly grown as ornamentals in warm regions, Plumeria or Vitex?
Vitex Vitex is a genus of flowering plants in the family Lamiaceae. It has about 250 species. Common names include "chastetree", traditionally referring to "V. agnus-castus" but often applied to other species as well.
Iris milesii Iris milesii (also known as the "red flower iris") is a species in the genus "Iris", subgenus of "Limniris" and in the Lophiris section (crested irises). It is a rhizomatous, beardless perennial plant, native to the Himalayas, India and China. It has pinkish-violet, or pinkish purple, or pinkish-lavender or pinkish lilac flowers, with a fringed yellow or orange crest (or ridge). It is cultivated as an ornamental plant in temperate regions.