Stem of coarsely-ribbed bolete mushroom (Austroboletus ...

The image presents a close-up view of the stem and cap of a coarsely-ribbed bolete mushroom (Austroboletus subflavidus), with the surrounding environment subtly visible.

**Cap:**
* The cap is light brown in color.
* It appears to be roughly circular, but part of it is cut off from view at the top right corner.
* The edges are thin and translucent, while the surface exhibits a smooth, velvety texture.

**Stem:**
* The stem is long and slender.
* Its color is also light brown.
* The most striking feature is its ribbing, which consists of several raised lines that run vertically along the length of the stem. These ribs are coarse and irregularly spaced, giving the stem a somewhat rough appearance.

**Background:**
* The background is dark and blurry, making it difficult to discern any details.
* However, it appears to be some kind of brown or reddish-brown material, possibly dirt or leaves.
* A few strands of a darker color are visible in the bottom left corner.

**Overall Appearance:**
* The coarsely-ribbed bolete mushroom has a distinctive appearance due to its ribbed stem and smooth cap.
* Despite being partially cut off from view at the top right corner, the image provides an interesting glimpse into the morphology of this species. – AI vision