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| Lepidagathis argentea Kantachot & Chantar., in Kantachot et Chantaranothai, 2026. สังกรณีเงิน | DOI: doi.org/10.20531/tfb.2026.54.2.07 |
Abstract
In this synopsis of the genus Lepidagathis for the Flora of Thailand, nine species are recognized. This includes Lepidagathis argentea, a new species collected from limestone bedrock in Tak Province, and three species newly recorded for Thailand, L. dulcis, L. purpuricaulis and L. thorelii. Lepidagathis chiengmaiensis and L. thyrsiflora, are reduced to synonyms of L. incurva and L. fasciculata, respectively. The following names have been lectotypified: Lepidagathis chiengmaiensis, L. chlorostachya, L. dissimilis, L. dulcis, L. falcata and L. thorelii. A genus description with key to species, nomenclatural notes, distributional data and specimens examined are provided.
Keywords: Lamiales, lectotype, new record, new species, taxonomy
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| Drawing of Lepidagathis argentea Kantachot & Chantar. A. habit, B. inflorescence with flowers, C. external surface of calyx, D. bracteoles, E. sterile bracts, F. gynoecium, G. fertile bracts, H. flower, J. capsule and seeds, K. seed and embryo. Drawn from Kladwong & Kantachot 2025-1 (KKU) by K. Tuanku. |
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| Lepidagathis argentea Kantachot & Chantar. A. habitat, B. habit, C.-D. inflorescences with flowers. Photos by P. Kladwong, W. Kiewbang and S. Suddee. |
Lepidagathis argentea Kantachot & Chantar., sp. nov.
Chortip Kantachot and Pranom Chantaranothai. 2026. Lepidagathis (Acanthaceae) of Thailand: New Species and Updated Synopsis. Thai Forest Bulletin (Botany), 54(2), 64–75. DOI: doi.org/10.20531/tfb.2026.54.2.07 [2026-07-02]
