Botanical Journal of the Linnean Society · 2006 · 30 citations · 8 references
the latter described for the first time in this paper, although first collected more than a hundred years ago. A key is provided to help distinguish these species. The globose, echinulate pollen found in several species from China and Japan and assigned to the genus Championella by Bremekamp is shown by SEM photography to be distinct from other pollen hitherto regarded as the same.
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Notes on Strobilanthes: The Sympagis Group
John R. Wood, Jonathan R. Bennett, Robert W. Scotland · Kew Bulletin · 2003 · 27 citations