Basidiome annual to perennial, with distinctly contracted base to stipi-tate, corky, becoming hard corky to woody hard when dry. Pileus 4.5–8 cm, up to 0.5 cm thick at the base, dimidiate, subreniform; upper surface when young pale yellow (3A3) to light orange (5A5), becoming brownish orange (7C8) when old, strongly lac-cate to partly laccate, distinctly concentrically sulcate, distinctly radially rugose. Spore deposit usually pale orange; margin abruptly paler, pale yellow, slightly lobate. Context duplex, not completely homogeneous in color, greyish orange (5B3) corky; generative hyphae (1.1–1.3 µm diam, colorless, thin-walled; binding hyphae (2.1–3.1) µm in diam., branched, with clamp-connections, skeleton hyphae (3.05–3.1) µm in diam. thick walled, sometimes branched, reddish brown in KOH, dextrinoid. Pore surface pale yellow when young, becoming brownish orange (6C4) when old; tubes up to 0.2 cm long in total, pale brown or smoky brown, without context layer between tube layers; pores sub circular. Basidiospores with a dark brown eusporium bearing thick echinulae, overlaid by a hyaline myxosporium, (8.2)8.3–9.8(10.2) × (5.6)5.7–6.8(7.3) µm (with myxosporium), (5.3)6.2–7.5(7.7) × (4.2)4.2–5.3(5.7) µm (without myxosporium), el-lipsoid, Qm = 1.37 (n = 20). Lm = 9.09 µm, Wm = 6.27µm, Cutis 4–12 mm thick, pale brown streaks the cutis, a closely-packed palisade, yellowish brown, clavate terminal elements, about 15–30 µm long. Stipe attened or sub cylindrical to cylindrical, lateral to horizontally lateral or eccentric, (6–9) × (1.5 along stipe) cm, dark brown.
Habitat. Rotten wood, in dry dipterocarp forest and in upper mixed deciduous forest and growing up from soil.Distribution. Tropical and temperate regions of China; Thailand.
Created: 2012-09-11 15:02:27 PDT (-0700) by Danny Newman (myxomop)
Last modified: 2018-11-17 03:38:29 PST (-0800) by walt sturgeon (Mycowalt)
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