Dioscorea craibiana Prain & Burkill: an endemic Thai yam rediscovered, with new data on its distribution and the morphology of the male plant

Authors

  • Chirdsak Thapyai Department of Biology, Faculty of Science, Naresuan University
  • Paul Wilkin Royal Botanic Gardens, Kew
  • Kongkanda Chayamarit The Forest Herbarium (BKF), National Park, Wildlife and Plant Conservation Department

Keywords:

Dioscorea craibiana Prain & Burkill,

Abstract

Dioscorea craibiana Prain & Burkill is fully described for the first time following the discovery of male plants. The characters which confirm its affinities with the compound-leafed taxa of D. sect. Botryosicyos (Hochst.) Uline are discussed, and its distribution within Thailand clarified. The specimen of this species from Vietnam cited in previous studies is D. arachidna Prain & Burkill.
Thus D. craibiana appears to be endemic to Thailand. A provisional conservation assessment is given.

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Author Biographies

Chirdsak Thapyai, Department of Biology, Faculty of Science, Naresuan University

Department of Biology, Faculty of Science, Naresuan University, Phitsanulok, Thailand.

Paul Wilkin, Royal Botanic Gardens, Kew

Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AB, UK.

Kongkanda Chayamarit, The Forest Herbarium (BKF), National Park, Wildlife and Plant Conservation Department

The Forest Herbarium (BKF), National Park, Wildlife and Plant Conservation Department, 61 Phahonyothin Rd., Chatuchak, Bangkok 10900, Thailand.

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How to Cite

Thapyai, C., Wilkin, P., & Chayamarit, K. (2014). Dioscorea craibiana Prain & Burkill: an endemic Thai yam rediscovered, with new data on its distribution and the morphology of the male plant. Thai Forest Bulletin (Botany), (33), 185–192. Retrieved from https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24315

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