Synonyms: Agaricus tectulum, Boletus sinuosus, Bulliardia virescens, Daedalea gibbosa, Daedalea sinuosa, Daedalea virescens, Lenzites gibbosus, Merulius gibbosus, Polyporus gibbosus, Polystictus kalchbrenneri, Pseudotrametes gibbosa, Trametes crenulata, Trametes kalchbrenneri, Trametes nigrescens.
Common name: lumpy bracket.
Extract from Wikipedia article: Trametes gibbosa, commonly known as the lumpy bracket, is a polypore mushroom that causes a white rot. It is found on beech stumps and the dead wood of other hardwood species. Fruit bodies are 8–15 cm in diameter and semicircular in shape. The upper surface is usually gray or white, but may be greenish in older specimens due to algal growth. Elongated pores are located on the under-surface. The fruiting bodies are frequently attacked by boring beetle larvae.
Czech: Outkovka hrbatá, German: Buckel-Tramete, Lithuanian: Karpotoji kempė, Polish: Wrośniak garbaty, Russian: Траметес горбатый, Swedish: Korkticka.
Trametes gibbosa is a polypore fungus that grows on dead deciduous trees, particularly oak and elm. In East and Central Texas, it typically fruits from April to October, forming semicircular to fan-shaped caps with wavy margins, 2-8 cm in diameter, and 0.5-2 cm thick. The upper surface is hairy, grayish-brown to brown, while the lower surface has small, circular pores that are white to light brown. The flesh is tough and fibrous, and the spores are cylindrical, 5-7 μm long, and 1.5-2 μm wide. It can be found on stumps, logs, and dead branches in wooded areas, including urban parks and natural forests.
Lumpy bracket polypore mushrooms (Trametes gibbosa) on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 8, 2013
Washington-on-the-Brazos State Historic Site, Farm-to-Market Road 1155, Washington, Washington County, Texas, 77880, United States
Lumpy bracket mushrooms (Trametes gibbosa) on an oak(?) log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, December 28, 2020Lone Star Hiking Trail, Montgomery, TX 77356, USA
Pores of lumpy bracket mushroom (Trametes gibbosa) on an oak(?) log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, December 28, 2020Lone Star Hiking Trail, Montgomery, TX 77356, USA
Young lumpy bracket mushroom (Trametes gibbosa) on an oak(?) log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, December 28, 2020Lone Star Hiking Trail, Montgomery, TX 77356, USA
Caps lumpy bracket mushroom (Trametes gibbosa) on an oak(?) log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, December 28, 2020Lone Star Hiking Trail, Montgomery, TX 77356, USA
Lumpy bracket mushrooms (Trametes gibbosa) on a fallen holly tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 16, 2021Lone Star Hiking Trail, Coldspring, TX 77331, USA
Underside of lumpy bracket mushrooms (Trametes gibbosa) on a fallen holly tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 16, 2021Lone Star Hiking Trail, Coldspring, TX 77331, USA
Lumpy bracket mushrooms (Trametes gibbosa) on a log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 21, 2021Lone Star Hiking Trail, San Jacinto County, Texas, United States
Caps of lumpy bracket mushrooms (Trametes gibbosa) on a fallen tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 21, 2021Lone Star Hiking Trail, San Jacinto County, Texas, United States
Pattern of caps of lumpy bracket mushrooms (Trametes gibbosa) on a fallen tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 21, 2021Lone Star Hiking Trail, San Jacinto County, Texas, United States
Pattern of pores of lumpy bracket mushrooms (Trametes gibbosa) on a fallen tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 21, 2021Lone Star Hiking Trail, San Jacinto County, Texas, United States
Underside of lumpy bracket mushrooms (Trametes gibbosa) on a fallen tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 21, 2021Lone Star Hiking Trail, San Jacinto County, Texas, United States
Lumpy bracket polypore mushroom (Trametes gibbosa)(?) on a log on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, August 27, 2022Lone Star Hiking Trail, San Jacinto County, Texas, 77328, United States
Underside of lumpy bracket polypore mushroom (Trametes gibbosa)(?) on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, August 27, 2022Lone Star Hiking Trail, San Jacinto County, Texas, 77328, United StatesObservations of Trametes gibbosa in East and Central Texas show the fungus growing on various types of wood, including oak logs, fallen trees, and a holly tree. The mushrooms were found in different locations, such as Washington-on-the-Brazos State Historic Site, Sam Houston National Forest, and Winters Bayou Trail. They were observed at various times of the year, from November to August, with some observations showing young and mature mushrooms. The caps of the mushrooms were noted to have a distinctive pattern, and the pores on the underside were also observed. The fungus was found growing on both standing trees and fallen logs, suggesting it can thrive in different environments. Overall, the observations suggest that Trametes gibbosa is widely distributed in East and Central Texas and can be found on various types of wood throughout the year.
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