The flowering plants (angiosperms), also known as Angiospermae (Lindley, 1830; Cantino et al., 2007) or Magnoliophyta, are the most diverse group of land plants, with about 350,000 species (Zeng et al 2014). Like gymnosperms, angiosperms are seed-producing plants; they are distinguished from gymnosperms by characteristics including flowers, endosperm within the seeds, and the production of fruits that contain the seeds. Etymologically, angiosperm means a plant that produces seeds within an enclosure, in other words, a fruiting plant. The term "angiosperm" comes from the Greek composite word (angeion-, "case" or "casing", and sperma, "seed") meaning "enclosed seeds", after the enclosed condition of the seeds (http://en.wikipedia.org).