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Zingiber natmataungense S.S.Zhou & R.Li (Zingiberaceae), a new species from Natma Taung National Park, Chin State, Myanmar, is described and illustrated. The new species is morphologically similar to Z. yunnanense, but differs by: leaf blade abaxially light green, glabrous, ligule sparsely pubescent, ca. 2-3 mm, bracts glabrous; calyx white 20-21 x 3.2-3.5 mm, glabrous, apex obviously 3-toothed; corolla tube white, ca. 3.9-4.1 cm, labellum lateral lobes, ca. 1.5-1.7 x 0.6-0.7 cm; stamen with sparse pubescent, filament white, glabrous, 1-2 mm; anther connective appendage yellowish proximally, purplish distally; ovary white, sparsely white pubescent, epigynous glands, ca. 6-7 mm long, tapered, apex whorled, yellow. This new species is also similar to Z. teres, but has a different flower colour. [ABSTRACT FROM AUTHOR]

Myanmar is known for its high species richness of genus Gastrochilus; however, most of them lack proper information for taxonomic revision. During four years of field investigation in Myanmar, two new distributional records were encountered, namely, G. arunachalensis and G. corymbosus and one species, i.e. G. pechei was rediscovered after its original description. The three species were not easy to interpret from the available original descriptions and types due to severely shrunk or poorly preserved specimens. Therefore, we hereby present more detailed illustrations and updated descriptions for these species, based on freshly collected materials. [ABSTRACT FROM AUTHOR]