Species clarification of the medicinal wood-inhabiting fungus Phylloporia (Hymenochaetales, Basidiomycota) in China Author Jiang, Ji-Hang 0000-0002-5193-3228 State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China. jiangjh@im.ac.cn Author Zhou, Lin-Jiang 0000-0003-2665-6959 Shandong Provincial Key Laboratory of Applied Mycology, Qingdao Agricultural University, Qingdao, Shandong 266109, China. zhoulj24@163.com Author Liu, Shi-Liang 0000-0001-7556-2575 State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China. liushiliang@im.ac.cn Author Zhou, Li-Wei 0000-0002-2851-2839 State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China. & Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China. liwei_zhou1982@im.ac.cn Author Tian, Xue-Mei 0000-0003-2815-0206 Shandong Provincial Key Laboratory of Applied Mycology, Qingdao Agricultural University, Qingdao, Shandong 266109, China. txm@qau.edu.cn text Phytotaxa 2020 2020-06-02 446 4 209 219 http://dx.doi.org/10.11646/phytotaxa.446.4.1 journal article 304006 10.11646/phytotaxa.446.4.1 c7e4a8d5-c486-4dfd-a3dc-cdbc5a8c10f0 1179-3163 13877983 Phylloporia lonicerae W.M. Qin, Xue W. Wang, T. Sawahata & L.W. Zhou (2018: 21) ( Figs. 2 and 3 ) Description: –Basidiocarps annual, pileate, sessile, imbricated, hard corky when dry. Pilei semicircular, laterally fused, applanate, projecting up to 1 cm long, 2 cm wide, and 0.4 cm thick at base. Pileal surface dull brown in old parts, yellowish brown in young parts, velutinate, glabrescent with age, concentrically sulcate; margin sharp. Pore surface honey yellow when fresh; sterile margin distinct, pale yellow to honey yellow, up to 2.5 mm wide. Pores circular to angular, 6–8 per mm; dissepiments thin, entire. Context up to 2 mm thick, duplex, separated by a black line, the lower context corky, olivaceous buff, up to 1 mm thick, the upper context soft, spongy, cinnamon-buff, with a tomentum, yellowish brown, up to 1 mm thick. Tubes honey yellow, corky, up to 2 mm long. Hyphal system dimitic; generative hyphae simple septate; tissue darkening but otherwise unchanged in 5% KOH. Context generative hyphae hyaline to pale yellowish, thin- to fairly thick-walled, occasionally branched, 2–4 µm in diam; in the lower context, skeletal hyphae golden yellow, thick-walled with a narrow lumen, unbranched, 2–4 µm in diam; in the upper tomentum, skeletal hyphae golden yellow, thick-walled with a narrow to wide lumen, unbranched, aseptate, loosely interwoven, 3–5 µm in diam; in the black zone, hyphae dark brown, thick-walled with a narrow lumen, interwoven. Tubes generative hyphae hyaline, slightly thick-walled, occasionally branched, 2–3.5 µm in diam; skeletal hyphae dominant, golden yellow, thick-walled with a narrow lumen, unbranched, occasionally septate, interwoven, 2.5–4 µm diam. Cystidia and cystidioles absent. Basidia broadly clavate, with four sterigmata and a simple septum at the base, 9–12 × 4.5–6 µm; basidioles similar to basidia in shape, but slightly smaller. Basidiospores broadly ellipsoid, yellowish, thin to fairly thick-walled, smooth, inamyloid and non-dextrinoid in Melzer’s reagent, acyanophilous, (2.5–)2.8–3.5(–3.6) × (2.0–)2.2–2.8(–3.0) µm, L = 3.13 µm, W = 2.47 µm, Q = 1.25–1.29 (n = 60/2). Specimens examined. CHINA . Shandong Province : Linyi , Pingyi County , on living Lonicera japonica , 9 August 2019 , LWZ 20190809-1 ( HMAS ) ; Fei County , on living Lonicera japonica , 9 August 2019 , LWZ 20190809-2 ( HMAS ), 19 August 2019 , LWZ 20190819-1 ( HMAS ) . Notes. Phylloporia lonicerae was only described from Japan on Lonicera japonica ( Qin et al. 2018 ) . The Chinese specimens were found on the same host, but they have slightly smaller basidiospores compared with the measurements given in original description (3.2–4 × 2.3–3.1 µm, Qin et al. 2018 ).