Bupleurum parvifolium (Shan & Y.Li) Q.R.Liu & L.H.Wang, comb. et, 2024

Wang, Li-Hua, Li, Shuo, Zhang, De-Ning & Liu, Quan-Ru, 2024, A new combination and synonym in Bupleurum (Apiaceae, Apioideae), based on morphological, molecular and cytological evidence, PhytoKeys 239, pp. 239-253 : 239

Bupleurum parvifolium (Shan & Y.Li) Q.R.Liu & L.H.Wang, comb. et stat. nov.

Bupleurum smithii parvifolium ≡ B. smithii var. parvifolium Shan & Y.Li, Acta Phytotax. Sin. 12(3): 273. 1974. Type. CHINA. Gansu: Tianzhuxian, Wushao Mountain ca. 2800 m, 22. 07. 1959, Y.Q. He 4267 (Holotype: WUK0389736!). Basionym.

Bupleurum commelynoideum flaviflorum = B. commelynoideum var. flaviflorum Shan & Y.Li, Acta Phytotax. Sin. 12(3): 276. 1974. syn. nov. ≡ B. smithii var. flaviflorum (Shan & Y.Li) X.J.He & C.B.Wang J. Syst. Evol. 49 (6): 586. 2011.Type. CHINA. Gansu: Min County, Min Mountain, ca. 3500 m, 10. 08. 1937, T.P. Wang 7535 (Holotype: PE00935517! Isotypes: WUK0033909! WUK0423353!).

Diagnosis.

Bupleurum parvifolium is morphologically similar to B. smithii , can be distinguished from the latter by its cauline leaves sessile, 4-9 × 0.3-0.7 cm; bracteoles 6-9, ovate or broad-ovate, 3-5 × 2-2.5 mm; fruit ovoid, brown, 2.0-2.5 × 1.1-1.3 mm; vittae 3 in each furrow, 6 on commissure.

Description.

Plant 15-40 cm, perennial. Rhizome brown, usually branched. Stems many, tufted, base without fibrous remnant sheaths. Basal leaves narrowly lanceolate, 6-8 × 0.3-0.7 cm, thickly papery, base tapered into petiole, not embracing. Cauline leaves sessile, 4-9 × 0.3-0.7 cm. Apical leaf long-ovate, 1.5-7.5 × 1-1.7 cm, base rounded, sometimes auriculate, clasping, apex acuminate. Bracts 0 or 1-2, broadly ovate, 7-18 × 4-11 mm, unequal; rays 4-9, 0.5-4 cm, unequal, angled; bracteoles 6-9, ovate or broad-ovate, 3-5 × 2-2.5 mm, equal, acute, apiculate, slightly exceeding flowers; umbellules 0.8-1.1 cm across. Petals yellow, occasionally abaxially purplish-red. Stylopodium low-conic, discoid, dark yellow or purple-brown. Fruit ovoid, brown, 2.0-2.5 × 1.1-1.3 mm; ribs acute, prominent; vittae 3 in each furrow, 6 on commissure (Fig. 8 ). 2n = 14.

Phenology.

Flowering from July to August and fruiting from August to September.

Distribution and habit.

Qinghai, Gansu, Ningxia, Sichuan, Xizang. It grows on mountains at elevations of 2700-700 m.

Additional specimens examined.

China. Gansu: Min County, 02 July 1936, T.P. Wang 4852 (KUN), 19 August 1937, T.P. Wang 7535 (WUK), 19 August 1937, T.P. Wang 7535 (PE), 01 July 1936, T.P. Wang 4742 (PE), 02 July 1936, T.P. Wang 4852 (PE), 30 June 1936, T.P. Wang 4699 (PE); Tianzhu County, Y.Q. He 4267 (WUK), 12 July 1959, Y.Q. He 4628 (WUK); Yuzhong County, 09 August 1959, Y.Q. He 5981 (WUK), 04 August 2000, X.G. Sun et al. 2126 (PE), 2 September 2023, L.H. Wang & J.L. Li BNU2023-WLH242 (BNU); Xiahe County, 10 July 1937, T.P. Wang 7171 (WUK), 29 July 1937, K.T. Fu 1438 (PE); Minle County, 29 August 1934, C.W. Yao 336 (NAS); Hezuo County, 09 September 2011, X. Yin et al. LiuJQ-GN-2011-278 (KUN); Maqu County, 04 August 2011, X. Yin et al. LiuJQ-GN-2011-280 (KUN); Shandan County, 10 July 1959, Y.Q. He 4052 (WUK); Qinghai: Tianjun County, 05 August 2022, L.H. Wang et al. BNU2022-WLH030 (BNU); Gangcha County, 30 July 2022, L.H. Wang et al. BNU2022-WLH017 (BNU); Huzhu County, 05 August 2022, Q.Y. Zhang ZQY2022003 (BNU); Xunhua County, 06 August 2022, L.H. Wang et al. BNU2022-WLH039 (BNU), 06 August 2022, L.H. Wang et al. BNU2022-WLH051 (BNU); Hulong County, 07 August 2022, LH Wang et al. BNU2022-WLH061 (BNU); Xining City, 11 September 2022, S.B. Zhang BNU2022-0911 (BNU); Haeyan County, 04 July 1958, B.Q. Zhong 8410 (KUN); Angqian County, 11 August 1972, Zangyao team 1283 (KUN); Qilian County, 27 July 1958, Gan & Qing, BQ Zhong 8573 (WUK), 12 August 2013, X.C. Chen et al. 4487 (HNWP); Xinghai County, 09 August 1919, T.N. He 416 (WUK); Datong County, 17 August 1962, Fan & Liang 00495 (HNWP), B.W. Li 72-070 (HNWP); Ghindu County, 10 August 1983 X.J. Xun 83-144 (HNWP), 15 August 1996, T.N. Ho et al. 1887 (PE), 15 August 1996, T.N. Ho et al. 1887 (HNWP); Zeku County, 21 August 1967, L.H. Zhou 1628 (HNWP); Tungrin County, 24 July 1970, S.W. Liu et al. 1412 (HNWP), 07 August 2010, S.L. Chen et al. ChenSL0915 (KUN); Menyuan County, 10 July 1970, L.H. Zhou 1036 (HNWP); Zhidoi County, 10 September 1966, L.H. Zhou 454 (HNWP); Yushu County, 30 August 1996, T.N. Ho et al. 2698 (PE), 12 August 1964, Qinghai Plant Team 620 (WUK); Nangqen County, 05 September 199, T.N. Ho et al. 2913 (PE); Huangzhong County, 25 July 2014, Y.H. Wu 050810 (HNWP), 25 July 2014, Y.H. Wu 050644 (HNWP); Ningxia: Jingyuan County, 14 August 1942, T.P. Wang 13561 (KUN); Tongxin County, 12 August 1981, Y.P. Xu et al. 1701 (WUK); Longde County, 10 July 1942, T.P. Wang 13052 (WUK); Guyuan County, 07 August 1953, T.P. Wang 17175 (WUK); Sichuan: Ruoergai, County, X.J. He et al. SCU-20080522 (KUN), 15 July 1993, Z.M. Tan 93-88 (PE), 06 August 1961, S. Jiang 6833 (PE); Hongyuan County, 18 September 2012, Y.D. Gao et al. GaoXF-12-029 (KUN); Pingwu County, H.L. Tsising 10904 (NAS); Daofu County, 06 September 1960, Sichuan Team 16217 (NAS); Songpan County, 3 October 1983, F.D. Pu et al. 021 (CDBI), 02 August 1984, J. He et al. 140 (CDBI); Daoge County, 01 August 1980, Vegetation group 28404 (CDBI); Baxoi County, 27 August 1973, Qinghai-Tibet Team 73-1267 (PE), 14 September 2008, T. Zhang et al. 08CS701 (KUN), 15 August 2014, X.C. Chen et al. 032-2 (HNWP), 15 August 2014, X.C. Chen et al. 032 (HNWP); Wuqi County, 27 August 1976, Tibet Expedition Team 12951 (PE).

Figures

Figure 8. Bupleurum parvifolium A holotype B habitat C plant D flowers E fruits.