Pollen morphological survey of Pentas (Rubiaceae-Rubioideae) and its closest allies
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Pollen descriptions, based on LM and SEM observations, are provided for the Pentas complex, an African alliance within the Hedyotideae-Spermacoceae alliance, which includes the genera Pentas, Otomeria, Batopedina, Parapentas, and Chamaepentas. The close relati... ...
