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 Add this item to the list  Trametes caperata (Berk.) Teixeira
   
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Page number:31 
Description type:Non-original description 
Description:Trametes caperata (Berk.) Teixeira
Bragantia 6 (1946) 316; Fidalgo and K. Fidalgo, Arqu. Mus. nac. Rio de Janeiro 43 (1957) 162.
Coriolopsis caperata (Berk.) Murr., Ryvarden and Johansen (1980) 287; Ryvarden, Kew Bull. 31 (1977) 81-103. - Datronia caperata (Berk.) Ryv. Mycotaxon 23 (1985) 172. - ?D. nigrocinerea (Murr.) Ryv., Mycotaxon 23 (1985) 172. - Hexagonia caperata (Berk.) Wright et Deschamps, Rev. Invest. Agropec. INTA Buenos Aires ser. 5, X (1973) 141.
Pilei -6.5 cm in radius, sessile to effuso-reflexed, horizontal to slightly ascending, often fusing laterally, at first pale brownish tan with fuliginous fuscous zones, then fuscous brown with darker brown or sepia tomentose zones 2-8 mm wide, alternating with narrower dark fuscous fuliginous, smooth or apressedly fibrilloso-fasciculate zones, sometimes developing fibrilloso-spicate, subspathulate or subclavarioid, fimbriate, erect processes -5 x 0.5-1 mm in the basal part of the pileus, the processes inclining forwards over the limb; margin white, entire; pileus drying radially rugulose. Tubes 1-4.5 mm long, concolorous with the flesh becoming plugged with pale hyphae; pores 120-160 µm wide, 100-285 µm (Wright and Deschamps), entire, dissepiments 80-160 µm thick, pale brownish wood-colour with a white or greyish bloom, then fuscous brown, at first whitish in young pilei. Flesh 1-2.5 mm thick at the base of the pileus, fibrous coriaceous, dark date-brown or dark fawn brown, the tomentum 100-150 µm thick, without a crust.
On dead trunks and branches in the forest, causing a white rot. Tropical Africa and America.
Spores 7.5-10 x 2.5-3.5 µm, white, smooth, oblong ellipsoid, ? 2-guttulate, inamyloid; 6.5-10 x 2-3 µm (Ryv. and Johans.); 6.6-10.3 x 2.6-3.6 µm (Wright and Desch.). Hymenium not thickening. Cystidia none. Hyphal pegs -40 µm long, sparse to abundant. Hyphae trimitic, scarcely swelling in potash, not encrusted, not dextrinoid; skeletals 3.5-5.5 µm wide, the dark brown walls -1.5 µm thick but the lumen always rather wide, aseptate or sparsely secondarily septate, unbranched, unlimited, in the dissepiments narrower and almost solid; binding hyphae 1-3 µm wide with slightly thickened brown walls, lax to intricate in nests and investing the skeletals, not coralloid, throughout the tissue especially in the dissepiments, derived from generative hyphae; generative hyphae 2-3.5 µm wide, colourless, clamped. Surface of pileus with the tomentum composed of more or less straight skeletal ends, often tapered 2-3.5 µm wide, many rather closely secondarily septate, no crust.
Collections: Brazil, Amazonas, Manaus, Corner s.n. June 1947, 10, 20 and 24 Oct. 1948; Corner 990, Oct. 1948 (skeletals 3-4 µm, pores -200 µm, spores 8-9 x 3 µm). - Rio de Janeiro, Corner 401, 19 Nov. 1948; OKF 00449, Jardim Botanico, 22 April 1956 (young).
This is my description of living specimens. It agrees with that fiven by Ryvarden except for the odontoid processes that develop on the pilei of some collections. The feature brings the species close to Coriolopsis aspera with thicker flesh, pores 200300 µm wide, and spores 9-12 x 3-4.5 µm. Ryvarden distinguishes D. nigrocinerea by the larger spores 9-11 x 3-4.5 µm and abundant hyphal pegs, of which there are said to be none in D. caperata. Thus, my Brazilian collections are intermediate with the smaller spores of D. caperata. Wright and Deschamps give spores of intermediate size. I have not found Tr. caperata in Malesia and Cunningham does not record it from Australasia, though it is possible that Osmoporus floccosus (Jungh.) G.H. Cunn. (1965) may belong here; its spores were given as 5-6 x 1.5-3 µm. In my Brazilian collections from Manaus and in OKF 00449, the skeletal hyphae were very slightly dextrinoid and suggestive of Tr. brunneoleuca, though with narrow pores. The Brazilian collection OKF 00313 (Rio de Janeiro, Praia de Botafogo) has pores 120-250 µm wide and spores 8-11 x 3-3.5 µm, very much as in C. floccosa, as if an intermediate; the pileus is not simply tomentose but strigose-hispid with fasciculate skeletal hyphae. Fidalgo and K. Fidalgo give the pores as 170-300 µm wide and the spores as 9-10 x 4-5 µm.
On transferring the species to Datronia, Ryvarden emphasized the presence of a black hypodermal crust which separates the flesh from the tomentum. It seems to be a variable feature, as observed by Ryvarden and Johansen, and I never met with it in the collections described above. Wright and Deschamps make no mention of it.
 
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