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| Thismia arachnites Ridl.
in Chantanaorrapint, 2018.
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Summary
Thismia arachnites Ridl., previously known only from Perak, Malaysia, is newly reported in tropical lowland forest in south-eastern and peninsular Thailand. A detailed description and photographs are provided. In addition, a lectotype is also designated here.
Key Words: Distribution, mycoheterotrophic, Thai-Malay Peninsula, typification
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| Fig. 2. Thismia arachnites Ridl. A – C plants in natural habitat, A – B from Tarutao Island, Satun province, C from Khao Cha Mao Waterfall, Chantaburi province; D flower (side view); E longitudinal section of flower.
Photos: S. Chantanaorrapint.
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Thismia arachnites Ridl. (Ridley 1905: 197).
Type: illustration of Thismia arachnites, Malaysia, Perak Hills, tea gardens, Feb. 1904,
drawn by H. N. Ridley (lectotype K!, selected here, Fig. 1).
DISTRIBUTION: Malaysia and Thailand.
HABITAT AND ECOLOGY: In Thailand, Thismia arachnites was found growing on humus, in lowland evergreen forests; alt. 50 – 250 m.
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| Thismia arachnites Ridl. |
Sahut Chantanaorrapint. 2018. Lectotypification of Thismia arachnites (Thismiaceae), A Mysterious Species Newly Reported for Thailand. Kew Bulletin. DOI: 10.1007/s12225-018-9765-2
