荷兰豆又叫菜豌豆、毕豆、青碗豆、青小豆、留豆、国豆、豆军豆等。属豆科豌豆,以嫩荚供食用。荚长约7～8cm,宽1.5cm,碧绿色,每荚种6～8粒,种子白色,老熟时深萸色。荚脆嫩。属一年生长草本蔬菜。原产地中海沿岸和亚洲中部,传入我国的时间较早,张骞通西域时引进的许多作物中就有豌豆。南北方均有栽培。可分为粮用碗豆和菜用豌豆两种类型。菜用豌豆分软荚种硬荚种两种,以嫩荚 Dutch beans, also known as dish peas, Pei beans, green peas, adzuki beans, stay beans, beans, bean beans and so on. Is a legume peas to tender pods for food. Pod length of about 7 ~ 8cm, width 1.5cm, greenish green, per pod species 6 to 8, white seeds, dark brown when cooked. Pod crisp. Is a year growing herbs and vegetables. Origin of the Mediterranean coast and central Asia, the introduction of our time earlier, Zhang Qian introduced many crops when there is peas. Both northern and southern cultivation. Can be divided into two types of food bowl peas and vegetables with peas. Peas with vegetables divided into two kinds of hard and soft pod species to tender pods