Saturday, August 1, 2020

[Botany • 2020] Thismia minutissima (Thismiaceae) • A Remarkable New Mycoheterotrophic Species from Sarawak, Borneo


Thismia minutissima Dančák, Hroneš & Sochor

in Dančák, Hroneš & Sochor, 2020.

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.

Key Words: Burmanniaceae, funiculus, fairy lantern, Malesia, rainforest, seed, taxonomy

Thismia minutissima.
A plant at pre-anthesis stage; B – D overall appearance; E detail of flower.

 A from Sochor et al. BOR4/17; B, D from Sochor et al. BOR28/19; C from Sochor et al. BOR63/19; E from Sochor et al. BOR5/17.

Thismia minutissima Dančák, Hroneš & Sochor sp. nov. 

ETYMOLOGY. The specific epithet reflects the flower size which is probably the smallest in the genus.


Martin Dančák, Michal Hroneš and Michal Sochor. 2020. Thismia minutissima (Thismiaceae), A Remarkable New Mycoheterotrophic Species from Sarawak, Borneo. Kew Bulletin. 75, 29. DOI: 10.1007/s12225-020-09886-4