Abstract
A morphologically distinct element of the group of Dracaena species from Thailand and Burma with undifferentiated leaf sheaths, no leaf blade central costa, free tepals and free thickened filaments known as Chan nuu or Chan pha krai in Thai is shown to be a distinct species, Dracaena kaweesakii Wilkin & Suksathan based on habit, leaf base and margin, inflorescence axis indumentum and floral characters. It is described and illustrated. Ecological and conservation status assessment information are provided.
Highlights
The taxonomy of the “dragon tree” group of Dracaena L. species in mainland SouthEast Asia was summarised in Wilkin et al (2012)
Three species with this set of characters are recognised in the World Checklist of Monocotyledons (WCM, Govaerts et al 2011), Dracaena cambodiana Pierre ex Gagnep., Dracaena cochinchinensis (Lour.) S.C.Chen and Dracaena yuccifolia Ridl
The WCM suggests that there are a total of 15 species of Dracaena in Thailand
Summary
The taxonomy of the “dragon tree” group of Dracaena L. species in mainland SouthEast Asia was summarised in Wilkin et al (2012).
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