Taxonomic note on Parnassia (Celastraceae): the identity of P. nubicola Author Ma, Yonghong College of Life Science, China West Normal University, Nanchong 637002, Sichuan, China Author Zhou, Hanlu College of Life Science, China West Normal University, Nanchong 637002, Sichuan, China Author Shu, Yumin College of Life Science, China West Normal University, Nanchong 637002, Sichuan, China & Key Laboratory of Southwest China Wildlife Resource Conservation (Ministry of Education), Nanchong 637002, Sichuan, China https://orcid.org/0000-0002-7338-8275 804145458@qq.com text PhytoKeys 2020 154 103 109 http://dx.doi.org/10.3897/phytokeys.154.54042 journal article http://dx.doi.org/10.3897/phytokeys.154.54042 1314-2003-154-103 71C45144E9415307A8ACC241421A7DA8 Parnassia nubicola Wall. ex Royle, 1835: 227 = Parnassia tibetana Z.P. Jien ex T.C. Ku, 1987: 38. Syn. nov. Type: China. Tibet: 2 August 1959, Exped. Zhufengensis 716 (holotype PE01863973!; isotype N117066161!). = Parnassia nubicola subsp. occidentalis Schoenbeck-Temesy , 1966: 2. Syn. nov. Type: Pakistan. Swat: Utror, 2500 m, 23 August 1962, Rechinger 19590 (holotype W19680016319!; isotype G00388771!). = Parnassia nubicola var. nana T.C. Ku, 1991: 82. Syn. nov. Type: China. Yunnan: Deqen, 25 August 1987, Hengduanshan Exped. 3734 (holotype PE00866291!; isotypes PE00866288!, PE00866289!, PE00866290!). Type. Nepal. Gossain-than (Gossain-kund), Wallich Cat. n. 1246a (lectotype W1889-0305721!, designated by Schoenbeck-Temesy 1966 : 2; isolectotypes BM000521923!, E00301174!, GZU000100103!, K000739482(except for the individual with fimbriate petals)!). Description. Perennial herbs, glabrous. Rhizome sympodial, robust. Stems 1 to 5, 5-40 cm, with 1 proximal cauline leaf. Basal leaves 3-8; petiole 1-9 cm; blade ovate or ovate-oblong, 1-9.5 x 0.8-6 cm, base cordate to subtruncate, apex acute or shortly acuminate. Cauline leaf sessile, similar to basal ones but always smaller. Flowers 2.8-3.4 cm in diam., hypanthium campanulate. Sepals ovate to ovate-lanceolate, 4-8 x ca. 3 mm, margins entire, apex obtuse. Petals white, sometimes yellow at the base, obovate to ovate, 8-16 x 5-10 mm, base contracted into a short claw, margins entire distally and erose to short-fimbriate proximally, apex rounded. Anthers ellipsoid, 0.8-1.1 mm; filaments ca. 4.5 mm; staminodes flat, 2.5-5 mm, shallowly to deeply 3-lobed, lobes up to half staminode length, apex acute or rounded. Ovary semi-inferior, ovoid; style ca. 2 mm; stigma 3(-4)-lobed. Capsule ovoid, 5-10 mm long, 3(-4) valved. Seeds minute, oblong, ca. 1 mm long. Chromosome number. 2n =18 ( Malla et al. 1979 ). Flowering and fruiting. July to November. Habitats. Margins of thickets, alpine meadows, 2600-4200 m. Distribution. China, India, Nepal, and also recorded in Afghanistan, Bhutan, and Pakistan ( Schoenbeck-Temesy 1966 , Grierson 1987 ). Specimens examined. Herbarium barcode numbers are cited with herbaria acronyms if available. China. Tibet, Bomi County : 11 August 2001, Qin Haining et al. 337 (PE); 23 August 1983, Cheng Shuzhi et al. 7062 (PE); 2900 m, 25 August 1975, Anonymous 56 (SM706501104); 3000 m, 20 September 1973, Zhang Jingwei 1485 (PE00866285); 3100 m, 20 September 1973, Tibet Exped. 73-1453 (KUN0437389, KUN0437390, PE00866295, PE00866296); 25 July 1900, Xia Guangcheng 599 (KUN0437701); Chayu County : 3996 m, 29 August 2009, Gin Xiaohua et al. SET-ET 982 (PE); 3400 m, 9 August 1983, Tibet Exped. 1334 (QTPMB38503, QTPMB86235); 3350 m, 13 September 1976, Wu Zhengyi 5833 (KUN0437395, KUN0437398); 3500 m, 13 August 1973, Anonymous 828 (PE01869747); 3900 m, 13 August 1973, Tibet Exped. 73-1070 (KUN0437393, KUN0437394); 4100 m, 23 August 1973, Tibet Exped. 73-1217 (KUN0437391, KUN0437392); Cuona County : 10 September 1975, Tibet Exped. 751933 (PE00866302, QTPMB52545); Jilong County : 3977 m, 28 July 2015, Wei Lai et Hao Jiachen 15338 (BNU0026890); 3544 m, 8 August 2010, Tibet Exped. 348 (PE01877040); Jiacha County : 3500 m, 2 September 1972, Tibet herbs Exped. 4563 (PE01982462, QTPMB33656, QTPMB82672); Lang County : 3239 m, 4 September 2010, Luo Jian et al. L075 (KUN1237749); without date, FLPH Tibet Exped. 12-1138 (PE); Linzhi County : 3060 m, 26 September 2008, Gao Lianming et al. GLM-082000 (KUN1242252); 9 August 1983, Li Bosheng et al. 6375 (PE); 4360 m, 2 August 1975, Tibet Exped. 751124 (QTPMB51742); Longzi County : 10 August 2013, Chen Yousheng et al. 13-0876 (PE01993054, PE01993055, PE01992603); Milin County : 3200 m, 30 July 2016, Wei Lai et He Yi BNUXZ2016491 (BNU0027963); 3250 m, 21 September 1974, Tibet Exped. 74-5338 (KUN0437387, KUN0437388, PE00866281, PE01982463); 3700 m, 16 July 1972, Tibet herbs Exped. 3813 (PE00866276, PE00866277, QTPMB32867, QTPMB82577); Motuo County : 2800 m, 12 August 2010, Jin Xiaohua et al. STET 2646 (PE); 3900 m, 5 September 1982, Li Bosheng et al. 624 (PE00866297, PE00866298, PE01869745, PE01869746); 3700 m, 2 September 1980, Plateau Exped. 14709 (PE00866299, PE00866300); Nielamu County : 3850 m, 17 July 2016, Wei Lai et He Yi BNUXZ2016099 (BNU0027962); 3600 m, 2 August 2012, Mu Xianyun 1174 (BJFC); 3015 m, 3 July 2012, Gao Lianming et al. GLM-123685 (KUN1241906); 17 August 2011, Yu Shengxiang et al. 5620 (PE); 18 August 2011, Yu Shengxiang et al. 5690 (PE); 3970 m, 18 August 2010, Tibet Exped. 1414 (PE01877046); 1 September 1981, Ni Zhicheng et al. 1902 (PE); 3400 m, 26 August 1972, Tibet herbs Exped. 1496 (PE00866274, PE00866275, QTPMB30893, QTPMB80381); 3800 m, 2 September 1972, Tibet herbs Exped. 1735 (PE00866272, PE00866273, QTPMB31233, QTPMB80851); Pulan County : 4500 m, 24 August 1974, Tibet Exped. 4177 (QTPMB40640); Yadong County : 3800 m, 9 August 1975, Anonymous 75-916 (PE00862011, PE00862012, PE00862013); without detailed locality and date, Anonymous 464 (P06392577); without detailed locality and date, Anonymous s.n. (PE00866303); without detailed locality and date, Anonymous 465 (P06392739); without detailed locality and date, Hooker et Thomson s.n. (P06392739); Yunnan, Deqin County : 2900 m, 1 August 1940, Feng Guomei 5992 (KUN0437384, KUN0437385, KUN0437386); 3400 m, 8 November 1937, T.T.Yu 7919 (KUN0437382, PE00866269); Gongshan County : 2800 m, August 1935, Wang Qiwu 65371 (PE00866286, PE 0866287); India. Gangharea : 15 August 1975, Anonymous 6550 (PE01982606); Sikkim : without detailed date, Hooker et Thomson s.n. (P06392774); 22 August 1892, Gammie s.n. (P06392778); without detailed locality, 17 August 1849, Thomson s.n. (K000739475, K000739476, K000739477, U1467473); without detailed locality, 5 October 1849, Thomson s.n. (K000739479, K000739480); without detailed locality and date, Thomson 145 (K000739482); without detailed locality and date, Hooker et Thomson s.n. (P05494790); Nepal. Kumaon : 3765 m, 28 August 1995, F. Miyamoto et al. 9596508 (KUN0579660); without detailed date, Wallich Cat. n. 1246b (K000739481, K001112509, K001112511, P06392575, P06392576); without detailed locality and date, Strachey et Winterbottom 1 (P06392775); Central Asia. Without detailed locality, 14 July 1909, Anonymous s.n. (P06392740).