The order the bean - Fabales contains one family the bean. The family the bean - Fabaceae unites 17000-18000 types and 650 childbirth. The family can be divided into 3 subfamilies: tsezalpiniyevy, mimozovy, papilionaceous. The largest family the papilionaceous.
Cross-pollination, at the majority of the papilionaceous is carried out by large insects — bumblebees and bees, attract plentiful reserves of nectar or pollen. Meet types, for example peas. Fruits under the influence of weight, a wind, water. Seeds of the opened beans are scattered by force of the untwisted shutters.
Feature ranks is numerous emergence in the vegetative period of new elevated escapes, but weight grows them in the spring. Summer late summer escapes usually remain vegetative and die off in elevated part late in the fall or under snow; seldom they blossom in September or only form buds.