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Palynological Studies of Aconogonon (Polygonaceae) from Pakistan

Sarhad Journal of Agriculture, Vol. 31, Iss. 1

Palynological Studies of Aconogonon (Polygonaceae) from Pakistan

Ghazalah Yasmin1*, Mir Ajab Khan2, Nighat Shaheen3, Umbreen Javed Khan4


E-mail | ghazalahrizwan@yahoo.com

1Department of Plant Sciences, Quaid-i-Azam University, Islamabad. Govt College for Women, Jhelum; 2Department of Plant Sciences, Quaid-i-Azam University, Islamabad; 3Department of Plant Sciences, Quaid-i-Azam University, Islamabad; 4Department of Zoology, Punjab University, Lahore, Pakistan.

ABSTRACT

To better understand systematic characters of Aconogonon (Polygonaceae), we studied pollen morphology in three (A. alpinum, A. rumicifolium and A. tortuosum) of five species distributed in Pakistan using light microscopy and scanning electron microscopy. Results showed that Aconogonon is characterized by tricolpate pollen with microspinulose type of exine ornamentation. One distinctive pollen type was recognized on the basis of aperture number and sculpturing of exine under SEM. Based on analyses in the present study, diagnostic keys to the three species were provided. 

 

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Sarhad Journal of Agriculture

September

Vol. 35, Iss. 3, Pages 663-1019

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