5. Physospermopsis muliensis R.H.Shan et S.L.Liou, 1979: 105

Type.

China. Sichuan: Muli County, 4000 m, 20 Oct 1937, T.T.Yu 14579 (holotype: PE [P01432306]) .

Diagnostic characters.

Physospermopsis muliensis usually possesses branching stems, ovate-oblong leaf blades, narrow sheaths, leaf-like bracts, lanceolate bracteoles, and ovoid fruits with filiform ribs with sparse scattered warts. Basal and lower petioles are narrowly winged.

Distribution.

Endemic to China, Sichuan (Fig. 4).

Habitat.

Physospermopsis muliensis usually grows in wet grasslands at 2500-4100 m elevation.

Additional specimens examined.

China. Sichuan Province: Muli County, Kangwuliangzi, 3800 m, 9 Aug 2019, X.R.Xu XXR2019080903 (SZ); Muli County, 3900 m, 20 Oct 1981, L.R.Xu 0187 (WUK); unknown locality, 3600 m, 29 November 2005, Anonymous 416 (PE); unknown locality, 2580 m, 28 November 2005, Anonymous 418 (PE); unknown locality, 3650 m, 29 November 2005, Anonymous 419 (PE); Muli County, 3800 m, 21 Sep 1955, Anonymous 267 (PE); Muli County, 3620 m, 15 Oct 1982, Y.B.Yang & G.Yao 174 (CDBI); Muli County, 3200 m, 3 Sep 1978, Q.S.Zhao, K.H.Mou & Y.B.Yang 8395 (CDBI); Muli County, 3650 m, 25 Oct 1986, Y.J.Li et al. 987 (CDBI); Muli County, 3150 m, 25 Oct 1982, Vegetation expedition 29926 (CDBI); Muli County, 3900 m, 22 Aug 1983, 39 (HITBC); Dukou County, 21 Sep 1978, 412 (SM); Jinyang County, Mt. Shizi, 4000 m, 18 Aug 1978, 683 (SM); Mianning County, Juexingou, 3000 m, 11 Oct 1978, Mianning expedition 667 (SM); Ningnan County, 3700 m, 24 Aug 1978, Ningnan expedition 547 (SM); Dukou County, Yanbian, 28 Sep 1978, Anonymous 435 (SM); Meigu County, 3700 m, 18 Aug 1979, Anonymous 594 (SM); Yanbian County, 28 Sep 1978, Anonymous 475 (SM); Zhaojue County, 4040 m, 13 Jul 1979, Plants census expedition 179 (SM); Xide County, 29 Jun 1979, Anonymous 495 (SM); Mabian County, 3400 m, 1 Jul 1978, Mabian expedition 798 (SM); Muli County, 3900 m, 2 Aug 1978, Muli expedition 577 (SM); Muli County, Changhaizi, 3669 m, 7 Oct 2009, Z.L.Nie, Y.Meng & T.Deng SunH-07ZX-2330 (KUN) .