Physospermopsis nana (A.R.Franchet) M.G.Pimenov et E.V.Kljuykov, 2000c: 538

Xu, Xin-Rui, Guo, Xian-Lin, Price, Megan, He, Xing-Jin & Zhou, Song-Dong, 2021, New insights into the phylogeny and taxonomy of Chinese Physospermopsis (Apiaceae), PhytoKeys 175, pp. 67-88 : 67

8. Physospermopsis nana (A.R.Franchet) M.G.Pimenov et E.V.Kljuykov, 2000c: 538

Pleurospermum nanum = Pleurospermum nanum A.R.Franchet, 1894: 140. Type: CHINA. Yunnan: Dali County, Mt. Cang, 25 Sep 1884, Delavay 197 (syntypes: P [P00834544, P00834545]).

Type.

China. Yunnan: Mt. Cang , 4000 m, 30 Aug 1889, Delavay 4066 (lectotype, designated by Pimenov and Kljuykov 2000c, pg. 538: P [P00834546]; isolectotype, designated by Pimenov and Kljuykov 2000c, pg. 538: P [P00834547]) .

Diagnostic characters.

Physospermopsis nana usually possesses reduced stem, membranous-margined sheaths, and leaf-like bracts. The bracteoles are pale green with whitish margin in lower half. The ultimate segments are linear-lanceolate. The characters mentioned above are sufficient to distinguish it from other Physospermopsis species.

Distribution.

Endemic to China, Sichuan, Tibet, Yunnan. (Fig. 4 ).

Habitat.

Physospermopsis nana usually grows on marshy meadows, under shrubs.

Additional specimens examined.

China. Sichuan Province: Yajiang County, 3800 m, 9 Aug 1979, Yajiangdui 293 (SM); Muli County , Sanqu, 3600 m, 13 Sep 1983, Qinghai-Tibet Expedition 14043 (KUN) ; Tibet Province: Cona County, 4561 m, 10 Aug 2015, L.Wei & J.C.Hao 15544 (BNU); Lahsa County, 5200 m, 3 Sep 1965, G.C.Xia & T.K.Mi 2610 (KUN); Ge'gyai County , 5200 m, 21 Aug 1976, Qinghai-Tibet Expedition 8710 (KUN); Lahsa County , 6000 m, 1 Sep 1965, Y.T.Zhang & K.Y.Lang 2412 (KUN); Ge'gyai County , 5185 m, 9 Sep 2017, Y.He BNU2017XZ325 (BNU); Shigatse, 4645 m, 23 Aug 2017, Y.He & D.H.Liu BNU2017XZ064 (BNU); Gar County , 4360 m, 31 Aug 2008, J.H.Chen et al YangYP-Q-0122 (KUN) . Yunnan Province: Lanping County, 4200 m, 18 Oct 2019, X.L.Guo G19101802 (SZ); Lijiang County, Mt. Yulong , 4400 m, 18 Aug 1976, Y.Q.He 049 (WUK); Deqen County , Baima snow range, 4400 m, 14 Jul 1981, Qinghai-Tibet Expedition 2774 (HITBC); Gongshan County , Mt. Nanwan , 3400 m, 22 Sep 1997, 9604 (KUN); Zhongdian County , 4190 m, 2 Oct 2005, Z.D.Fang et al PL-130 (SABG); Lijiang County , Yuhu, 4000 m, 8 Sep 1955, G.M.Feng 21475 (KUN); Lijiang County , 4100 m, 31 Aug 1963, C.Z.Bao 20229 (KUN); Zhongdian County , 4200 m, 2 Aug 1986, H.Sun & Z.G.Qian 991 (KUN); Lijiang County , snow range, 15 Sep 1940, R.C.Qin 31043 (KUN); Zhongdian County , Mt. Haba , 4000 m, 31 Aug 1962, Zhongdian Expedition 1687 (KUN); Zhongdian County , Haba snow range, 26 Aug 1939, G.M.Feng 2215 (KUN); Lijiang County , Yulong, 4000 m, 31 Aug 1963, C.Z.Bao 20226 (KUN); Lijiang County , 2600 m, 27 Jul 1937, D.J.Yu 15374 (KUN); Lijiang County , Mt. Yulong , 3200 m, 26 Aug 1961, R.L.Xiong & Y.F.Qi 612715 (KUN); Dali County , 20 Aug 1945, H.C.Wang 4507 (KUN); unknown locality, 1963, J.S.Yang 2374 (KUN); Zhongdian County , 3400 m, 28 Jun 2009, Z.D.Fang G-297 (SABG); Dali County , Mt. Cang , 3460 m, 15 Oct 1990, CLD-90 (PE) .

Figures

Figure 4. Geographic distribution of the eight Chinese Physospermopsis species in China. The altitude, scale, name of provinces and provincial capitals are also showed on the map.