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Pollen morphological study of some genera of Polygonaceae Juss | ||
| Journal of Basrah Researches (Sciences) | ||
| Article 1, Volume 32, Issue 3, 2006, Pages 49-56 PDF (0 K) | ||
| Authors | ||
| Taha Y. Al-Edany; ; Abdullah H. Lafta | ||
| Abstract | ||
| Study of 22 species belong to six genera and three tribes of polygonaceae showed that pollen were medium or small sized and mostly trizonocolporate. Some species contain other types like tetra, penta, hexa pantocolporate. Ora were circle or lolongate. Emex showed the type tribrevicolpate. Pollen shape ranged from oblate spheroidal to prolate spheroidal. Pollen of few species were subprolate. Sexine was nearly equaling to nexine in most species. In Antigonon sexine was twice as nexine. Atraphaxis species were unique in their striate or striatoreticalate ornamentation, while ornamentation was punctate or microreticulate in other genera. Taxonomic key for identifying genera depending on pollen morphology was provided. | ||
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