A Palynological Taxonomy of the Korean Verbenaceae

한국산 마편초과 식물의 화분학적 분류

This research is the palynotaxonomic revision to clarify palynological descriptions and relationships of taxa in Korean Verbenaceae. To do this, morphology, size, sculpture and aperture of pollen grain were investigated with scanning electron microscope. As a result, palynological key as to 5 genera 10 species drawn up. Palynological descriptions of Callicarpa dichotoma, Callicarpa mollis, Callicarpa chejuensis, Vitex chinensis and Caryopteris incana are near completion at first. Vervena officinalis are newly described and descriptions of Callicarpa japonica, Clerodendrum trichotomum, Vitex rotundifolia and Caryopteris divaricata are corrected. Palynological data of Korean Verbenaceae is useful to intrageneric relationships. Namely, as to genus Callicarpa, C. dichotoma and C. japonica are considered to be more advanced than C. mollis and C. chejuensis. As to genus Caryopteris, C. divaricata is more advanced than C. incana.