In the Kingdom of plantae, there are about over 250,000 described species, and many tropical species are yet unnamed, which total comprising about 90 percent of the kingdom. During the past 130 million years, flowering plants can be found in every conceivable habitat on earth, from sun-baked deserts and windswept alpine summits to fertile grasslands, freshwater marshes, dense forests and lush mountain meadows. It is estimated there are up 400,000 flowering plant species.
Flowering plants can be seen in the flower gardens, some are important to agriculture, and some are flower trees and shrubs.
maize, wheat, barley, rye, oats, millet, sugar cane, sorghum, potatoes,
pepper, squash, pumpkin, mustard, parsley, cabbage, apple, pear, cherry, apricot etc.
alyssum, calendula, nemesia, tulip, marigold, celosia,
hibiscus, frangipani etc