Rubroboletus sinicus (W.F. Chiu) Kuan Zhao et Zhu L. Yang, 2014

Zhao, Kuan, Wu, Gang & Yang, Zhu L., 2014, A new genus, Rubroboletus, to accommodate Boletus sinicus and its allies, Phytotaxa 188 (2), pp. 61-77 : 70-71

Rubroboletus sinicus (W.F. Chiu) Kuan Zhao et Zhu L. Yang , comb. nov. ( Figs. 5–6 )

Mycobank: MB 809236

Basionym: Boletus sinicus W.F. Chiu, Mycologia 40: 220, 1948

Materials examined: Yunnan Province, Deqin County, Haba Snow Mountain , alt. 3600 m, 13 Aug 2008, Y. C. Li 1464 ( HKAS 56304 ) ; Kunming City, Ciba Town , in a wild mushroom market, G. Wu 255 ( HKAS 63486 ) ; Lanping County, Tongdian Town , 15 Aug 2010, B. Feng 839 ( HKAS 68620 ) .

Notes: Rubroboletus sinicus , the type of Rubroboletus , is characterized by its rose-red to dark red pileal surface covered with brownish scales, ovoid-ellipsoid spores with an inconspicuous suprahilar depression and a bluish color change when bruised ( Chiu 1948, 1957).

Figures

FIGURE. 5. Basidiomata of Rubroboletus sinicus (a, c from HKAS 68620; b from HKAS 63486).a. Mature basidioma. b. Blood red surface of the hymenophore. c. Bluish color change after injury (image taken immediately after sectioning). Bars: a–c=1 cm.

FIGURE. 6. Microscopic features of Rubroboletus sinicus (HKAS 63486). a. Basidiospores. b. Basidia and pleurocystidium. c. Cheilocystidia. d. Pileipellis. Bars: a=10 μm; b–d=20 μm.