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What is the meant by anther dehiscence?...

What is the meant by anther dehiscence?

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It refers to opening of anther to disperse pollen grains
(i)Longitudinal: Anther dehisces along a suture parallel to long axis of each anther lobe, eg. Datura, chinarose, cotton.
(ii) Transverse. Anther dehisces at right angles to the long axis of anther lobe. eg. Malvaceae.
(iii) Poricidal: Anther dehisces through pores at one end of the thecae, eg. Ericaceae Solanum potato, brinjal, Cassia
(iv) Valvular: Anther dehisces through a pore covered by a flap of tissue, eg. Lauraceae Cinnamomum
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