One of the first vegetable gardeners grow is often the bean . The seeds are orotund and easy to found , they sprout and maturate speedily , and the pods are tasty . The twining vine can cut through teepees and unattractive fencing , and the flowers , normally white , are undimmed red in the scarlet offset bean . Few other crops offer such a fillip of stunner in summation to providing food .

Roots

Beans have a connection of roots that both anchors the works securely into the primer coat and absorbs the water and mineral it needs . Each root has tiny , thin - palisade root hairs whose walls are sparse enough for water and dissolve nutrients to pass through .

Like all legumes , bonce have nodules on the roots that contain bacteria that take N from the atmosphere and commute it into ammonia water , a form that can be used by the plant life , making it less dependent on the nitrogen in the land .

Stems

Beans are vines , with foresightful thin stems that can twine around bowed stringed instrument or small offshoot , though some varieties , known as bush attic , have short stems that need no support . The tips of the vine are able to move back and forth to determine and wind themselves around anything thin and vertical .

The stem can transport water and nutrients upwards from the roots to the leave of absence and sugar and proteins from the leaves down .

Leaves

Bean leave of absence are divided into three ellipse or heart - shaped leaflets , each one attached alternately to the vine by a brusk stem , the petiole . They are rasping and often slightly haired . The leaves comprise chloroplast that produce food for thought for the plant by photosynthesis , a process that takes carbon dioxide and converts it into organic chemical compound , mainly carbohydrates , using the Department of Energy of sunshine .

Flowers

Like all legumes , beans haveasymmetrical flowerswith petals conflate into clear-cut upper and lower sections . flower petal can be white , carmine , peach or lavender , depending on the specie and variety . The stamen , the male organs hold the pollen , and pistil , the distaff organ contain the ovary , are shelter by the lower one-half . Each flush is attached to the stem by a petiole .

Seed Pods

After the flower is fertilized , the ovary develops into a long immature pod bear six or more produce noodle seed . The pod elongates and thickens , finally turning brown and drying as the seeds inside mature .

References

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