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Page number:483 
Description type:Non-original description 
Description:FOMITOPSIS LILACINO-GILVA (Beck.) Wright & Desch.
Rev. Inv. Agrop. INTA. Buenos Aires (Arg.) serie V, Pat. Veg. Vol. XII, No. 3, p. 143, 1975.
Polyporus lilacino-gilvus Berk., Ann. Nat. Hist. 3:324, 1839; Polystictus lilacinogilvus (Beck.) Cke., Grevillea 14:82, 1886; Trametes lilacinogilva (Beck.) Lloyd, Synopsis Fomes, p. 226, 1915; Trametes violaceus Lloyd, Syn. Sect. Apus Polyporus, p. 342, 1915; Trametes griseo-lilacina van der Byl, S. Afr. J. Sci. 18:283, 1922; Trametes rosea Lloyd, Letter 59:5, 1915.
Besidiocarps annual, biennial or perennial, solitary or imbricate, dimidiate, broadly attached or with a lateral base, corky to woody when dry; pileus applanate, conchate or ungulate, 2.0-20.0 x 2.0-9.0 x 0.5-10.0 cm with a decurrent resupinate poroid part up to 3.0 x 0.2 x 0.1 cm; upper surface straw color, tan, bay, grayish or pinkish brown, darker when old, concentrically sulcate and ridged, strongly radiate-striate, strigose or setulose, becoming glabrous when old, strongly zonate, old specimens with some protuberances or warts near the base; margin velutinate, sharp to round, entire; pore surface rose pink, pinkish brown, violaceous lilac or pallid ferruginous, margin wide, sterile up to 3.0 mm; pores round, angular or some slightly labyrinthiform, (2) 3.0-5.0 (-6.0) per mm; tubes concolorous or pinkish white, faintly zonate, up to 8.0 mm long; context rose, lilac, or pinkish brown, or concolorous with the pore surface, dense, fibrous, zonate up to 0.7 cm thick, dark or reddish brown reaction when touched with KOH.
Hyphal system trimitic; generative hyphae with clamps, branched, hyaline, thin-walled, 1-4 µm in diam; skeletal hyphae yellowish brown, thick-walled, nonseptate, 2.5-7.0 µm in diam; binding hyphae nonseptate, freely branched, branches tapering and tortuous, thick-walled, 2-5 µm in diam.
Cystidia or other sterile hymenial structures absent.
Basidia subclavate, 4-sterigmate, 12.0-23.0 x 4.0-8.5 µm, with a basal clamp. Basidiospores elliptical, hyaline, smooth-walled, apiculate, 5.0-12.0 x 2.5-5.0 µm, negative in Melzer's reagent.
Type of rot: Brown cubical rot.
Substrata: On decorticated hardwood trees, often on charred wood, worked timber, power poles and railway sleepers. Reported on Myrtaceae (Eucalyptus calophylla, E. viminalis; E. globulus; Eucalyptus sp.; Tristania conferta). Distribution: South America; Australia; New Zealand; South Africa and Tasmania.
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