Thismia limkokthayi (Thismiaceae): A new mycoheterotrophic species from Genting Highlands in Pahang, Malaysia Author Siti-Munirah, Mat Yunoh https://orcid.org/0000-0002-5062-9988 Forest Research Institute Malaysia, 52109 Kepong, Selangor, Malaysia sitimunirahfrim1@gmail.com Author Suhaida, Mustafa Forest Research Institute Malaysia, 52109 Kepong, Selangor, Malaysia Author Eddie, Chan Awana Hotel Genting Highlands Resort, 69000 Genting Highlands, Pahang, Malaysia text PhytoKeys 2022 2022-10-11 211 1 11 http://dx.doi.org/10.3897/phytokeys.211.89453 journal article http://dx.doi.org/10.3897/phytokeys.211.89453 1314-2003-211-1 20DF43DC40DB5AF9BC61DF4AD7C16EF7

Table 1. Morphological differences between Thismia limkokthayi and related species. The characters of previously-described species are taken from the protologues and recent publications on T. betung-kerihunensis (Tsukaya and Okada 2012), T. clavigera (Chantanaorrapint and Chantanaorrapint 2009), T. kelantanensis (Siti-Munirah 2018) and T. sumatrana (Suetsugu et al. 2018).

Characters	T. limkokthayi	T. betung-kerihunensis	T. clavigera	T. clavigeroides	T. kelantanensis	T. sumatrana
Colour of floral tube	Black-brownish/brown-blackish	White with indigo and brown to pale brown with purple-dark blue	White-orangish	Whitish	Pale to bright and dark blue-purplish translucent,	Unknown
Colour of mitre	Black-brownish/brown-blackish	Blue-green	Yellowish-orange	Pale brown or grey	Yellow to bright orange	Unknown
Colour of inner tepal lobes	Brown-blackish	Blue-green	Orange	Pale brown or grey	Bright orange	Unknown
Outer tepal	Erect	Erect	Erect	Reflexed	Erect	Reflexed
Colour of filament	Orange and white	Blue-green	Orange	White	Bright blue	Unknown
Colour of appendages	Dark brown to pale orange	Pale blue tinged with orange	Orange	Pale brown or grey below, blue-green at tip	Orange	Unknown
Fovea	Present	Absent	Absent	Absent	Absent	Absent
Apex of supraconnective	One central lobe (extension of the rib) and two smaller side lobes with tips recurved inwards/truncate, glabrous	One central lobe (extension of the rib) and two smaller side lobes, hairy	Acute	One central lobe (extension of the rib) and two smaller side lobes	Acuminate	Acute, hairy
Presence of transverse bars	Absent	Present	Present	Present	Present	Present