Thismia claviformis (Thismiaceae), a new species from the Thai-Malay Peninsula

Abstract

Thismia claviformis Chantanaorr. & J. Wai, is described and illustrated as a new species from the Thai-Malay Peninsula. The new species is characterized by 1) vermiform underground parts, 2) equal perianth lobes with slender claviform appendages, 3) a perianth tube without transverse bars inside, and 4) the apex of stamen bearing two triangular lobes. A taxonomic description, illustrations of the new species and a comparison with the related species are presented.

Thismia brunneomitroides (Thismiaceae), a new mycoheterotrophic species from southern Thailand

“…The Thai-Malay Peninsula is one of the species diversity hotspots of the genus Thismia (Hroneš et al 2015), and currently 12 species of Thismia are known from the area (e.g. Jonker 1948, Chantanaorrapint & Chantanaorrapint 2009, Chantanaorrapint & Sridith 2007, 2016. After a careful examination, the unknown plants were found to have a significantly different floral morphology from all the other known species as illustrated below and demonstrated in a revised key to the species of the genus Thismia in the Thai-Malay Peninsula.…”

Rediscovery of Thismia neptunis (Thismiaceae) after 151 years

“…Although the genus in the taxonomic sense exists since 1844, many species or populations have been being discovered only in the last decade. For instance, out of total of ca 76 species, 30 have been described since 2011 (Hunt et al 2014, Chantanaorrapint et al 2016, Cowie & Liddle 2016, Cooper 2017, Kumar et al 2017, Sochor et al 2017, Sujanapal et al 2017, Chantanaorrapint & Suddee 2018, Hroneš et al 2018, Suetsugu et al 2018, Sochor et al 2018 and several others (ca >10) await formal description. The real diversity of fairy lanterns is therefore being uncovered only recently.…”

Thismia sumatrana (Thismiaceae), a new species from West Sumatra, Indonesia, with discussions on the taxonomic identity of Thismia clavigera

“…highly reduced aboveground parts and small size that allows them to be easily covered by fallen leaves). Indeed, as more comprehensive field expeditions have been undertaken, a number of Thismia taxa have been discovered and described from various countries in Asia (Chantanaorrapint et al 2016, Kumar et al 2017, Sochor et al 2017, 2018a,b, Suetsugu et al 2017, 2018a,b, Sujanapal et al 2017, Tsukaya et al 2017, Chantanaorrapint and Suddee 2018, Hroneš et al 2018, Nishioka et al 2018, Yunoh 2018). Accordingly, the genus has been updated to include ca.…”