Pollen Morphology of Some Taxa Belonging to Polygonum L. and Rumex L. (Polygonaceae) and Its Taxonomic Significance

Yıl 2022, Cilt: 8 Sayı: 1, 163 - 172, 30.06.2022

Birol Başer , Mutlu Yiğit Aşit Murat Kürşat

https://doi.org/10.29132/ijpas.1078670

Öz

In this article, the pollen morphologies of 14 samples in total, 12 taxa from Polygonum L., Rumex L. (Polygonaceae), and two variations of Rumex scutatus L. were studied in detail by light microscopy and SEM. Solutions to taxonomic problems of these species were sought with palynological information. Pollen grains of some taxa belonging to Polygonum are studied as a result of palynological research; 3-colpate, 3-colporate, pantoporate, oblate-spheroidal, prolate, prolate-spheroidal, tectate, and exine surface are microechinate-perforate and reticulate with the free-standing columella. Pollen grains of some taxa belonging to Rumex; 3-colporate, rarely 4-colporate, pollen shapes are oblate-spheroidal, suboblate, tectate, and exine surface are microechinate-perforate.

Anahtar Kelimeler

Pollen morphology, Polygonaceae, Polygonum, Rumex, SEM

Teşekkür

We wish to thank Curators of Herbaria GAZI and Bitlis Eren University Herbaria, who allowed us to study their Polygonum and Rumex specimens, to Dr. Yüksel Akınay and Dr. Ihsan Nuri Akkuş (Science Application and Research Center, University of Yuzuncuyil, Van) who is a helper to take of electron photographs of pollen grains surface.

Polygonum L. ve Rumex L.’ye (Polygonaceae) ait Bazı Taksonların Polen Morfolojisi ve Taksonomik Önemi

Öz

Bu makalede, Polygonum L., Rumex L. (Polygonaceae)'den 12 takson ve Rumex scutatus L.'nin iki varyasyonu olmak üzere toplam 14 örneğin polen morfolojileri ışık mikroskobu ve SEM ile detaylı olarak incelenmiştir. Palinolojik bilgilerle bu türlerin taksonomik problemlerine çözüm aranmıştır. Palinolojik araştırmalar sonucunda Polygonum cinsine ait bazı taksonların polenleri incelenmiş; 3-kolpat, 3-kolporat, pantoporat, oblate-sferoidal, prolat, prolat-sferoidal, tektat, ekzin yüzeyi mikroekinat-perforat ve serbest kolumellalı retikulat yapıdadır. Rumex cinsine ait bazı taksonların polenleri; 3-kolporat, nadiren 4-kolporat, polen şekilleri oblat-sferoidal, suboblate, tektat ve ekzin yüzeyi mikroekinat-perforattır.

Anahtar Kelimeler

Polen morfolojisi, Polygonaceae, Polygonum, Rumex, SEM

Kaynakça

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