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
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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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