Curcuma pambrosima sp. nov. (Zingiberaceae) from central Vietnam

Abstract

Curcuma pambrosima (Zingiberaceae), a new species from central Vietnam, is described and illustrated.

Curcuma pygmaea sp. nov. (Zingiberaceae) from Vietnam and notes on two related species C. parviflora and C. thorelii.

“…Cambodia, Laos and Vietnam are a known diversity hotspot for various plant families, although detailed data on Zingiberaceae are lacking as the last comprehensive account of this region is over a century old (Gagnepain 1908). Our recent work, consisting of extensive herbarium studies as well as field exploration of this region, confirms the richness of gingers we suspected and has resulted in descriptions of several new and often stenoendemic species including two in Curcuma (Leong‐Škorničková et al 2010; Leong‐Škorničková & Lý 2010). All three currently accepted subgenera of Curcuma, Curcuma, Ecomata and Hitcheniopsis , are well represented in the Indochinese floristic region (sensu Takhtajan 1986) but the identities of several species described in the past remain unclear and numerous names have yet to be typified.…”

Curcuma cotuana sp. nov. (Zingiberaceae: Zingibereae) from central Vietnam

“…The main difference is in the anther basal spurs which are small and filiform in C. vitellina (for detailed photographs see Fig. 3A in Leong-Škorničková et al 2010), rather than stout and forward facing in C. cotuana. Curcuma sahuynhensis differs from C. cotuana by its creamwhite to pale yellow prominently L-shaped anther (Fig.…”

Amomum cristatissimum (Zingiberaceae: Alpinieae), a new species with echinate fruits from central Vietnam

“…Recent extensive explorations of gingers in central Vietnam have led to description of numerous new Zingiberaceae (Leong-Škorničková and Lý 2010, Leong-Škorničková et al 2011, 2015a, b, Lý 2016, 2017a. An interesting species of Amomum with large yellow flowers and echinate fruits was collected during the fieldwork of the first author in 2010-2016 in protected forested areas in Quảng Ngãi province.…”