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Characteristics of the Madagascan genus Canephora (Rubiaceae: Octotropideae), and the description of two new species

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Summary

As a precursor to the revision of the genus Canephora Juss., new and distinguishing generic characters are given, and a table of characters for the known species is included. Two new species from montane areas in northern Madagascar are described and illustrated: C. ambrensis S. E. Dawson, from Montagne d’Ambre and C. gyrobracteata S. E. Dawson from the Marojejy Massif.

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Notes

  1. 12 developing seeds observed in a locule of an obloid fruiting specimen of Canephora sp.

  2. 12 developing seeds observed in a locule of an obloid fruiting specimen of Canephora sp. Number of mature seeds not observed.

  3. See Notes

  4. See Notes

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Acknowledgements

The author is grateful to the curators of BR, G, MO, P, TAN, TEF (abbreviations follow Thiers, [continuously updated]) for the loan of material.

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Correspondence to S. E. Dawson.

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Dawson, S.E. Characteristics of the Madagascan genus Canephora (Rubiaceae: Octotropideae), and the description of two new species. Kew Bull 71, 45 (2016). https://doi.org/10.1007/s12225-016-9654-5

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