Thismia minutissima (Thismiaceae), a remarkable new mycoheterotrophic species from Sarawak, Borneo

Summary

Thismia minutissima, a distinctive minute species of the mycoheterotrophic genus Thismia is described and illustrated. It was found in several localities in mountain areas of Sarawak, Malaysia. The new species is superficially similar to members of Thismia sect. Rodwaya from Australia and New Zealand but differs by several distinctive morphological traits, including a fishtail-like lateral connective appendage and a perfect mitre. Its ecology, distribution and taxonomic status, as well as phylogenetic placement, are discussed.

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Acknowledgements

We thank John Rian Pasan and Dawat Barok for guidance in the field, Zuzana Sochorová for assistance in field and Renata Melichárková for the line drawings. MH was supported by internal funding from Palacký University IGA Prf-2020-003. MS was supported by grant no. RO0418 from the Ministry of Agriculture, Czech Republic. The research was conducted under permits nos NCCD.907.4.4(JLD.13)-337 and (298)JHS/NCCD/600-7/2/107 issued by the Sarawak Forestry Department.

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Dančák, M., Hroneš, M. & Sochor, M. Thismia minutissima (Thismiaceae), a remarkable new mycoheterotrophic species from Sarawak, Borneo. Kew Bull 75, 29 (2020). https://doi.org/10.1007/s12225-020-09886-4

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Key Words

  • Burmanniaceae
  • funiculus
  • fairy lantern
  • Malesia
  • rainforest
  • seed
  • taxonomy