Lanxangia scarlatina (H.T. Tsai & P.S. Chen) M.F. Newman & Skornick

Ding, Hong-Bo, Yang, Bin, Maw, Mya Bhone, Win, Pyae Pyae & Tan, Yun-Hong, 2020, Taxonomic studies on Amomum Roxburgh s. l. (Zingiberaceae) in Myanmar II: one new species and five new records for the flora of Myanmar, PhytoKeys 138, pp. 139-153 : 139

Lanxangia scarlatina (H.T. Tsai & P.S. Chen) M.F. Newman & Skornick Fig. 5

Lanxangia scarlatina (H.T. Tsai & P.S. Chen) M.F. Newman & Škorničk in De Boer et al. Taxon 67(1): 24. 2018; - Amomum scarlatinum H.T. Tsai & P.S. Chen in Acta Phytotax. Sin. 17(4): 90 1979; H.T. Tsai & P.S. Chen in T.L. Wu (ed.), Fl. Reipubl. Popularis Sin. 16(2): 121. 1981; S.Q. Tong in C.Y. Wu (ed.), Fl. Yunnan. 8: 639. 1997; T.L. Wu & K. Larsen in C.Y. Wu & P.H. Raven (eds), Fl. China 24: 350. 2000. Type: China, Yunnan Province, Xishuangbanna Dai Autonomous Prefecture, Jinghong City, Dadugang Township, Guanping forestry farm, 900 m elev., J.H. Zhang 18445 (holotype: HITBC048529!).

Specimens examined.

Myanmar, Kachin state, Putao district, around Gathu village, understory herbs in tropical rain forest, 27°28'17.39"N, 97°57'06.58"E, 575 m elev., 1 June 2018, Myanmar Exped. M3897 (HITBC!; RAF!); Kachin state, Putao district, from Gathu village to Tongwang Cave, understory herbs in tropical rain forest, 27°28'14.58"N, 97°57'01.01"E, 581 m elev., 3 June 2018, Myanmar Exped. M3995 (HITBC!; RAF!).

Distribution.

China, Myanmar.

Note.

This was originally described by Tsai and Chen (1979) based on a collection from Dadugang Township, Jinghong City, Yunnan Province, China. It was placed in the genus Amomum s.l., but on the basis of morphological study, the species is a member of Lanxangia ( De Boer et al. 2018). It is a new generic record for the country.

Figures

Figure 5. Lanxangia scarlatina (H. T. Tsai & P. S. Chen) M. F. Newman & Skornick A habit B leaf blade abaxially C ligule D inflorescence (side view) E inflorescence (front view) F infructescences G single flower H labellum with floral tube I stamen (back view) J stamen (front view) K ovary with epigynous glands, style and stigma L dorsal corolla lobe M lateral corolla lobes N calyx O bracteole P bract Q single fruit R cross section of fruit. Photographed by H. B. Ding.