Physospermopsis obtusiuscula (DC.) C.Norman, 1938: 231

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

4. Physospermopsis obtusiuscula (DC.) C.Norman, 1938: 231

Hymenolaena obtusiuscula ≡ Hymenolaena obtusiuscula DC., 1830: 246

Trachydium obtusiusculum ≡ Trachydium obtusiusculum (DC.) C.B.Clarke, 1879: 673

Pleurospermum obtusiusculum ≡ Pleurospermum obtusiusculum (DC.) M.Hiroe, 1979: 741

Aulacospermum obtusiusculum ≡ Aulacospermum obtusiusculum (DC.) A.R.Naqshi, U.Dhar et P.N.Kachroo, 1995: 107

Type.

Nepal. "Ad Gossain-Than Nepalensium, Wallich [543]" (lectotype: G-DC; isolectotypes: BM [BM000622303, BM000944782], K [K000697363], K-WALLICH, LE).

Diagnostic characters.

Physospermopsis obtusiuscula sometimes is flushed. The stems are dark purple-green, simple, and occasionally branched at the base. The fruit ribs are narrowly winged and sinuolate, which is a unique character in Physospermopsis .

Distribution in China.

Sichuan, Tibet, Yunnan (Fig. 4 ).

Distribution outside China.

Bhutan, India, Nepal, Sikkim.

Habitat.

Physospermopsis obtusiuscula grows in shrubs or grassland at an elevation of ca. 4000 m.

Additional specimens examined.

China. Sichuan Province: Xiangcheng County, 3900 m, 9 Aug 1981, Qinghai-Tibet Expedition 3986 (PE); Xiangcheng County , 9 Aug 1981, Qinghai-Tibet Expedition 3942 (PE) ; Tibet Province: Yadong County, 3500 m, 20 Aug 2019, X.L.Guo G19082009 (SZ); Nyingchi County, 3400 m, 8 Aug 1983, B.S.Li & S.Z.Cheng 6199 (PE); Nyingchi County , Mt. Shergyla , 3346 m, 13 Oct 2009, J.Luo, S.L.Wang & G.Y.Wang LiuJQ-09XZ-388 (KUN); Nyingchi County , Mt. Shergyla , 3346 m, 13 Oct 2009, J.Luo, S.L.Wang & G.Y.Wang LuoJian-ZX-0938 (PE); Yadong County , 3980 m, 14 Sep 1974, Qinghai-Tibet Expedition 74-2505 (PE); Yadong County , 4000 m, 12 Sep 1974, Qinghai-Tibet Expedition 2416 (PE); Nyalam County , 3800 m, 2 Sep 1972, 1736 (PE); Zayue County , 4300 m, 26 Sep 1982, Qinghai-Tibet Expedition 10635 (PE) ; Yunnan Province: Dêqên County, Baimaxueshan, 4100 m, 15 Aug 2019, X.R.Xu XXR2019081502 (SZ); Gongshan County , Dulongjiang, 2900 m, 15 Sep 1938, T.T. Yü 20274 (PE); Gongshan County , Dulongjiang, 3800 m, 9 Aug 1938, T.T. Yü 19829 (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.