Gravelbark

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The Gravelbark has thick, gray-brown bark with a pebbled texture, that flakes like shale. The wood is extremely strong, and often used in construction. Gravelbark leaves are thick, lobed, stiff, and stone-gray. Alternatively known as the Stone Oak, these trees produce Stonecorns: hard-shelled nuts that only crack open after soaking in rain. They have rich, oily flesh inside that is edible, but bitter unless roasted. Gravelbark nuts blossom from dusty yellow-green catkins. Gravelbark tends to grow within woodland groves, broad, slow, and hulking. The cracking of Stonecorns after rain is a seasonal sound. The hard-shelled nuts are gathered from the forest floor after Susurrous rains crack them open. These trees feature thick, corky, self-sacrificing bark that chars but protects the living cambium inside.