Rubus lambertianus Ser. Prodr. [A. P. de Candolle] 2: 567. 1825.

Huang, Tiran, Yu, Liping, Li, Juntao, Wang, Wenhe, Yang, Aizhen, Wang, Wenping, Wang, Cong, Yang, Mingfeng, Wang, Hong & Ma, Lanqing, 2022, Nomenclatural and taxonomic notes on Rubus davidianus Kuntze and R. viburnifolius Franch, PhytoKeys 211, pp. 13-32 : 13

1. Rubus lambertianus Ser. Prodr. [A. P. de Candolle] 2: 567. 1825.

R. davidianus Kuntze Meth. Sp.-Beschr. Rubus 58. 1879. syn. nov. Type: China, Moupin, Su-Tchuen, A. David, Aug 1869, s. n. (lectotype designated here by Ti R. Huang: P [P00755283]!; isolectotypes: P [P00755281, P00755282]!).

R. ochlanthus Hance J. Bot. 20: 260. 1882. Type: China, ad pagum Sai-ngau, secus fl. Lien-chau, Cantonensis, B.C. Henry, Oct 1881, no. 22021 (holotype: BM000885437]!).

R. pycnanthus Focke Abh. Naturwiss. Vereins Bremen 4: 196. 1874. non Genevier (1880: 210). Type: China, Duus, no.11 (holotype: C [C10018009]!).

Type.

China, Staunton, G. L., s. n. (holotype: G [G00316024]!) .

Distribution and habitat.

Rubus lambertianus grows in slopes, roadsides, montane valleys, grasslands, thickets and forest margins. Its elevation ranges from low to medium. In China, it is distributed in Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Taiwan, Yunnan and Zhejiang Provinces and overseas in Japan.

Phenology.

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

Taxonomic notes.

Rubus lambertianus is similar to R. laxus Focke, the differences being: the latter has leaves narrowly ovate; pedicel 1-2 cm long; sepals ovate or ovate-triangular, outer sepals pinnately laciniate, petals slightly pubescent.

Additional specimens examined.

China. Sichuan. 1934, T.H.Tu, no. 1604 (IBSC0324688) ; 15 October 1935, Xianyu, no. 6908 (NAS00366117); 15 October 1935, Xianyu He, no. 6908 (NAS00366117); 20 August 1963, Chuanxi Expedition Kechien Kuan Wentsai Wang et al., no. 2437 (PE02092824); 12 June 2014, Shuren Zhang et al., no. 1833 (PE01918855); 22 September 1978, Ya’an Expendition, s.n. (SM707005133, SM707005134). Yunnan. Shen'e Liu , no. 14014 (IBSC0324680) ; 25 June 1946, Shen’e Liu, no. 15383 (IBSC0324683); 8 August 1938, Tetsun Yu, no. 17291 (KUN711083); 28 July 1985, Zhanhe Ji, no. 306 (PE01828470); 24 May 1998, TianGang Gao, no. 1681 (PE01828469); 25 August 2002, Hong Wang, no. 6120 (PE01813595).