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Explain stigma...

Explain stigma

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A stigma is a structure present at the tip of a pistil which receives the pollen grains
(i) Discoid, A disk-shaped stigma is called discoid.
(ii) Capitate: Stigma appearing like ahead, eg. Alchemilla.
(iii) Globose: Stigma is spherical in shape is called globose
(iv) Plumose stigma: Stigma feathery which is unbranched nr k, unrancned or branched as in Asteraceae Poaceae
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