Parnassia nubicola Wall. ex Royle, 1835: 227

Ma, Yonghong, Zhou, Hanlu & Shu, Yumin, 2020, Taxonomic note on Parnassia (Celastraceae): the identity of P. nubicola, PhytoKeys 154, pp. 103-109 : 103

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 Schönbeck-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 Schönbeck-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 × 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 × ca. 3 mm, margins entire, apex obtuse. Petals white, sometimes yellow at the base, obovate to ovate, 8-16 × 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 ( Schönbeck-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).