Systematic study of the family euphorbiaceae in Thailand
2001
Kongkanda Chayamarit(Royal Forest Department, Bangkok (Thailand). Forest Herbarium) | Thawatchai Santisuk(Royal Forest Department, Bangkok (Thailand). Forest Herbarium) | Peter van Welzen, Kai Larsen(Rijksherbarium/Hortus Botanicus, Leiden (Netherlands)) | Esser, Hans J.(Hamburg, (Germany)) | Weerachai Nanakorn(Queen Sirikit Botanic Garden, Chiang Rai (Thailand)) | Pranom Chantharanothai(Queen Sirikit Botanic Garden, Chiang Rai (Thailand)) | Teerawat Boonthavikoon(Royal Forest Department, Bangkok (Thailand). Forest Herbarium) | Rachan Pooma(Royal Forest Department, Bangkok (Thailand). Forest Herbarium) | Leena Phuphathanaphong(Royal Forest Department, Bangkok (Thailand). Forest Herbarium) | Chirayupin Chantharaprasong(Royal Forest Department, Bangkok (Thailand). Forest Herbarium) | Larsen, Supee(Aarhus University, (Denmark). Department of Systematic Botany)
Revision of the family Euphorbiaceae in Thailand was done based on examination of herbarium specimens and extensive field observations in various parts of Thailand. 83 genera comprising 425 species are recognized, among these, 19 species are introduced. 10 species are described as new. 11 species await further study as there are inadequate specimens for description of new taxa. 13 species are recorded for the first time in Thailand. 49 species are found only in Thailand. 3 new combinations have been made, 1 of which is transferred to a new genus for Southeast Asia. 1 species is raised from infraspecific status, while 3 are reduced to varieties. 3 species are misidentified. 28 new synonyms are proposed. Keys to all genera and species with full descriptions, distributions and uses, and with illustrations and colour pictures, will be presented in the Flora of Thailand, volume 8, parts 1 and 2, in the year 2002. Therefore, only a summary will be included here.
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