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Mitrephora chulabhorniana (Annonaceae), an extraordinary new species from southern Thailand

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Abstract

Mitrephora chulabhorniana, a remarkable new species with the smallest flowers in the genus, is described and illustrated. The new species, from a karst habitat of southern Thailand, morphologically most resembles M. andamanica, which is endemic to the Middle and North Andaman Islands, but differs primarily by having narrower leaves, shorter inner petals, and lower number of stamens and carpels per flower. The conservation status of M. chulabhorniana is assessed and a key to the species of Mitrephora in Thailand is given.

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Acknowledgements

The authors would like to acknowledge A, CMUB, G, and P herbaria for the material studied. The first author would like to express her sincere gratitude to the Science Achievement Scholarship of Thailand (SAST) for providing the scholarship to pursue a Master’s degree at Chiang Mai University. Part of the financial support for this study was from the Thailand Research Fund (TRG5880118) awarded to the last author. Two anonymous reviewers are kindly thanked for the improvement of an earlier draft of this article.

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Authors and Affiliations

  1. Herbarium, Division of Plant Science and Technology, Department of Biology, Faculty of Science, Chiang Mai University, 239 Huay Kaew Rd., Chiang Mai, 50200, Thailand

    Anissara Damthongdee & Tanawat Chaowasku

  2. Sichon, Nakhon Si Thammarat, 80120, Thailand

    Kithisak Aongyong

  3. Center of Excellence in Bioresources for Agriculture, Industry, and Medicine, Chiang Mai University, 239 Huay Kaew Rd., Chiang Mai, 50200, Thailand

    Tanawat Chaowasku

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  1. Anissara Damthongdee
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  2. Kithisak Aongyong
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  3. Tanawat Chaowasku
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Correspondence to Tanawat Chaowasku.

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Damthongdee, A., Aongyong, K. & Chaowasku, T. Mitrephora chulabhorniana (Annonaceae), an extraordinary new species from southern Thailand. Brittonia 71, 381–388 (2019). https://doi.org/10.1007/s12228-019-09573-0

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