Hypotrachyna puerensis Xin Y.Wang & Li S.Wang, 2020

Wang, Xin Yu, Zhang, Yan Yun, Liu, Dong, Li, Li Juan, Yang, Mei Xia, Yin, An Cheng & Wang, Li Song, 2020, Taxonomic study of Hypotrachyna subg. Everniastrum (Hale ex Sipman) Divakar, A. Crespo, Sipman, Elix & Lumbsch (Ascomycota) from China, Cryptogamie, Mycologie 20 (12), pp. 193-209 : 202

10. Hypotrachyna puerensis Xin Y.Wang & Li S.Wang , sp. nov.

( Fig. 4 )

MYCOBANK NUMBER. — MB 832373.

ETYMOLOGY. — The epithet “ puerensis ” refers to the type locality, Pu’er city in southern Yunnan Province.

DIAGNOSIS. — This species is unique in its light brown to yellowish white colour, bare lower surface, absence of marginal cilia, and protocetraric acid and atranorin contents (medulla K-). It resembles H. lipidifera in the absence of salazinic acid and the bare lower surface, but the latter species has sparse marginal cilia and does not produce protocetraric acid.

TYPE. — China, Yunnan Prov., Pu’er Ci., roadside forest along the old road from Pu’er to Kunming; 22°52’08.47”N, 100°59’25.61”E; 1548 m, on bark; 20.XII.2013; X. Y. Wang 13-41509 (holo-, KUN [ KUN]).

ECOLOGY AND DISTRIBUTION. — This species is found in the southern Yunnan subtropical forest. It usually grows in the broadleaf forest at elevations of 1500 - 2300 m.

SELECTED SPECIMENS EXAMINED. — China, Yunnan Prov., Pu’er Ci., roadside forest along the old road from Pu’er to Kunming; 22°52’08.47”N, 100°59’25.61”E; 1548 m, on bark; 20.XII.2013; X. Y. Wang 13-41500. Nanjian Co., Baohua Vil., Dazhong Mt; 24°51’04.62”N, 100°26’21.80”E; 2040 m, on bark; 20.XII.2012; L.S. Wang12-37680. Zhenyuan Co., Hepingxiang Vil.; 23°56’22.43”N, 101°29’05.14”E; 2300 m, on bark; 1.VII.2013; C. Z. Fan 13-38611.

Figures

FIG. 4. — Hypotrachyna puerensis Xin Y.Wang & Li S.Wang, sp. nov.: A, thallus without cilia; B, lobes with pointed tips; C, pale yellowish brown, bare lower surface. Scale bars: A, 1 cm; B, C 1 mm.