Description:
Basidiocarp applanate and dimidiate when becoming mature, up to 150 mm in length, 90 mm in width, up to 0.7–1.5 cm thick. Pileus surface. Distinctively zonate from the base to the margin where the new hyphae are in active development, orange, golden yellow at the base, slightly to reddish-orange, brownish-red, extended to reddish-brown, red at centre, orange to deep orange extending to the upper margin surface, with yellowish white to pale yellow under margin surface, strongly laccate, glabrous, glossy, shiny, smooth, spathulate, shallow sulcate when fresh, thin crust overlies the pellis, thicker at the base than the margin, light in weight when dried, non-woody when dried. Context mostly yellow to light orange, light brown, brown near the tube layers, dense context layer but not fully homogeneous, thick near the base, tough to break when dried; generative hyphae up to 2–5 μm in diam., thin walled, almost colourless, some expanded at the apex, unbranched, with clamp connections; binding hyphae 3.75–5.25 µm, almost colourless, thin to thick-walled, branched, with clamp connections; skeletal hyphae abundant, up to 3–7 μm, almost colourless, thick-walled, unbranched or with very few branches in the distal end, without clamp connections. Basidiospores6.25–7.5 × 10.10–12.5 μm, ellipsoid to broadly ellipsoid, yellowish brown and thick-walled, smooth surface. Basidianot observed. Hyphal system Trimitic, generative hyphae, 2–5 µm in diam., almost colourless, thin-walled or infrequently thick-walled, with clamp connections, infrequently with irregular cuticle cells, brown in KOH; binding hyphae 2.5–6 µm, almost colourless, thin to thick-walled, branched, with clamp connections; skeletal hyphae abundant, up to 2.5–7.5 μm, almost colourless, thick-walled, unbranched, without clamp connections.
Reference:
Luangharn T, Karunarathna SC, Mortimer PE, et al. (2019). Additions to the knowledge of Ganoderma in Thailand: Ganoderma casuarinicola, a new record; and Ganoderma thailandicum sp. nov. MycoKeys59: 47–65.
DOI: https://doi.org/10.3897/mycokeys.59.36823Species |
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