Flower structure of cowpea

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Cowpea FLORAL BIOLOGY © A.K. Chhabra FLORAL BIOLOGY of COWPEA

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Cowpea FLORAL BIOLOGY © A.K. Chhabra CROP VIEW

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Cowpea FLORAL BIOLOGY © A.K. Chhabra CROP VIEW Flowering & podding Flower Pods

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Cowpea FLORAL BIOLOGY © A.K. Chhabra Flowers and Color Variation

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Cowpea FLORAL BIOLOGY © A.K. Chhabra Standard Wings Keels Calyx COWPEA FLOWER

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Cowpea FLORAL BIOLOGY © A.K. Chhabra Standard Wings Keels Calyx Calyx Developing pod after fertilization COWPEA FLOWER

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Cowpea FLORAL BIOLOGY © A.K. Chhabra COWPEA FLOWER (OPENED FROM FRONT) Standard Wings Keels Calyx Stigma Anthers The flower is bisexual, white, purple, or pale violet. It is complete with five sepals and five petals. The keel petal is straight, the standard petal is whitish to violet in colour Staminal column

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Cowpea FLORAL BIOLOGY © A.K. Chhabra (OPENED FROM FRONT) Standard Wings Keels Calyx Stigma Anthers Staminal column COWPEA FLOWER

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Cowpea FLORAL BIOLOGY © A.K. Chhabra CALYX Sepals Gamosepalous The calyx is composed of five sepals, which are gamosepalous. The two are large and three are small, which makes 2+3 arrangement of sepals.

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Cowpea FLORAL BIOLOGY © A.K. Chhabra CALYX The calyx is composed of five sepals, which are gamosepalous. The two are large and three are small, which makes 2+3 arrangement of sepals. Sepals Gamosepalous

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Cowpea FLORAL BIOLOGY © A.K. Chhabra COROLLA OPEN CLOSED STANDARD STANDARD

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Cowpea FLORAL BIOLOGY © A.K. Chhabra COROLLA Keels at flower bud stage Keels in mature flower

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Cowpea FLORAL BIOLOGY © A.K. Chhabra COROLLA Wings: a close-up

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Cowpea FLORAL BIOLOGY © A.K. Chhabra Reproductive Organs Free stamen Staminal column Anthers Stigma

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Cowpea FLORAL BIOLOGY © A.K. Chhabra Free stamen Staminal column Anthers Stigma & Style Free stamen Staminal column Anthers Stigma & Style Reproductive Organs MORE VIEWS Green ovary is seen from transparent column

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Cowpea FLORAL BIOLOGY © A.K. Chhabra GYNOECIUM (CLOSE-UP SHOWING POLLEN GRAINS) Style Stigma Hairy stylar top Filament Anther POLLEN GRANINS

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Cowpea FLORAL BIOLOGY © A.K. Chhabra Developing Pod Ovary pealed off to see ovules (early stage) Ovary pealed off to see ovules Ovary pealed off to see ovules (close-up)

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Cowpea FLORAL BIOLOGY © A.K. Chhabra Ovary pealed off to see ovules (Close-up of early stage) Ovary pealed off to see ovules (Close-up of early stage) Developing ovule Developing Pod

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Cowpea FLORAL BIOLOGY © A.K. Chhabra Pod pealed off to see grains (Close-up) Pod pealed off to see grains Pod pealed off to see grains (close-up) Developing Pod

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Cowpea FLORAL BIOLOGY © A.K. Chhabra Pod pealed off to see grains (Close-up of single grain) Developing Pod Half seed Another half of seed