Pakawat Jarupund

ABSTRACT 18 native taxa and two introduced species of Thunbergia (Acanthaceae), representative for South East Asia, were characterized using pollen morphology. Light microscopy (LM) and scanning electron microscopy (SEM) were used to describe micromorphological pollen characters for species differentiation and then used in combination using principal coordinate analysis (PCoA) for classification and inferring evolutionary relationships. A key to species based on pollen morphology was constructed.

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