Name: Ganoderma gibbosum (Blume & T. Nees) Pat.
Most Confident Observations:
Copyright © 2020 Kavanagh (Thunnus)
Copyright © 2019 Funga Colombiana
Version: 2
Previous Version 

First person to use this name on MO: Erlon Bailey
Editors: Excited delirium [EXD]▼


Rank: Species

Status: Accepted

Name: Ganoderma gibbosum

[#250058] Index Fungorum

[#250058] MycoBank

GSD Species Synonymy

Author: (Blume & T. Nees) Pat.

Citation: Annales du Jardin Botanique de Buitenzorg Suppl. 1: 114 (1897) [MB#250058]

Deprecated Synonyms: Polyporus gibbosus Blume & T. Nees, Fomes gibbosus (Blume & T. Nees) Sacc., Scindalma gibbosum (Blume & T. Nees) Kuntze

Brief Description: [See More | Edit]

Basidiome annual, sessile (usually with a distinctly contracted base), non laccate, woody. Pileus 6–12 × 3–6 cm, up to 3 cm thick at the base, spathulate, upper surface; hard, several layers thick, light brown (6D5) to light brown (6D6), crust overlies the pellis, concentric zones with turberculate bumps and ridges and rivulose depressions; margin with numerous undulations and irregularities, wavy, 2 mm thick, concolorous with the pileus; lower surface light brown (5D4). Hymenophore up to 6 mm long, indistinctly stratose, light brown (5D4), pores circular or sub circular, 4–5 pores per mm. Context up to 3 cm thick, dry, duplex, lower layer; brown (6E8), pithy, composed of coarse loose fibrils, upper layer; dark brown (6F8), woody. Basidiospores (n=50) (4.3–)6.9–7.6–9.2(–10.5) × (3.8–)4.6–5.6–5.7(–6.1) μm (Qm =1.7, Q=0.8–2.5, with myxosporium). (3.6–)4.8–6.0–7.6(–8.7) × (2.0–)2.7–3.5–4.5(–6.7) μm (Qm=1.7, Q=0.8–3.2, without myxosporium), ellipsoid to elongate, brown (6D8) to light brown (6D6), eusporium bearing fine, short, and distinct echinulae, overlaid by a hyaline myxosporium, bitunicate. Pileipellis a hymeniderm, brown (6D8) to light brown (6D6), composed of apically acanthus like branched cells, dextrinoid. Context trimitic; generative hyphae (n=30) (1.3–)1.6–2.1–2.7(–3.6) μm in width, thin-walled, hyaline; skeletal hyphae (n=30) (4.0–)4.8–4.7–5.2(–5.8) μm in width, brown (6F8), dextrinoid, thick-walled; binding hyphae (n=30) (2.6–)3.6–4.7–5.8(–6.1) μm in width, brown (6F8), thick-walled, branched, intertwined the skeletal hyphae (Fig. 8). Habitat – On rotten wood, in dry dipterocarp forest and in upper mixed deciduous forest or growing up from soil.


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