Xerocomellus chrysenteron

Red Cracked Bolete Foraging & Identification Guide

Q: How do you tell it apart from other cracked boletes?

The Red Cracked Bolete (Xerocomellus chrysenteron) is distinguished by its olive-brown cap with rose-red cracks, its slender stem that is bright red at the base, and its large, angular yellow pores that bruise slow blue-green.

The Red Cracked Bolete is an exceptionally common, highly beautiful, and edible wild mushroom native to temperate coniferous and deciduous woodlands across Europe and North America. Growing in mossy forest soils, it is named for its highly unique, striking cap texture: its dry, velvety olive-brown cap skin splits and cracks open as it matures, revealing a gorgeous, vivid rose-pink to raspberry-red flesh layer underneath. Beneath the cap, it features large, yellow sponge-like pores that slowly turn blue-green when bruised.

Environment Temperate mixed Woodlands

Humidity Moderate Humidity (60-70%)

Substrate / Host Mossy Acidic Soil / Tree Roots

Size 3cm - 10cm

Category Edible

Botanical macro photography of Red Cracked Bolete (Xerocomellus chrysenteron) - Plant AI care database

How to Identify Red Cracked Bolete

A velvety olive-brown cap that cracks open to reveal brilliant rose-red flesh underneath, with yellow pores that bruise slow blue-green.

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Cap: Varies by species.
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Spore: Critical check.

💡 Plant AI Tip: 🍳 Culinary Advice: Edible, but has a relatively soft, soggy texture when cooked. It is best harvested when very young and firm, or sliced and dried to consolidate its texture and concentrate its mild, earthy flavor.

Detailed Mycology Profile & Foraging Guide

Follow our detailed scientific field guide and environmental parameters to identify and study Red Cracked Bolete safely.

Forms mycorrhizal relationships with both deciduous trees (Oak and Beech) and conifers (Spruce and Pine). Fruits on mossy, damp, acidic forest soils from summer to late autumn.

Requires moderate moisture and cool-to-warm temperatures. It is highly abundant in late summer and autumn after heavy rains.

Thrives in shaded mixed forest understories, nestled in thick green moss beds away from intense direct sun.

No gills. The cap is convex, 3 to 10 cm wide, dry and velvety, cracking easily. Underside consists of a sponge of large, angular yellow pores, bruising blue-green.

Produces a dark olive-brown spore print. The spores are smooth and spindle-shaped, carried by autumn forest drafts.

Flesh is soft, yellow in the cap, red under the cuticle, staining slow blue-green when sliced. Stems are slender, fibrous, yellow-red, lacking a ring.

Harvest only young, firm, uncracked or lightly cracked button caps. Older specimens are highly spongy, absorb water like a sponge, and are prone to white forest mold.

Edible. It has a mild, pleasant, slightly acidic flavor but a soft, mushy texture. Excellent when mixed with firmer mushrooms in sautés, or dried for broths.

Contains high natural dietary fiber, minerals, and unique bioactive compounds showing moderate antioxidant and anti-inflammatory properties.

CRITICAL WARNING: Safe foraging! Its unique red-cracked cap makes it very easy to identify. Do not confuse with the toxic Satan's Bolete (Rubroboletus satanas), which is much larger, has a chalky-white cap with red pores, a bulbous stem with a red net, and bruises deep blue instantly, whereas Red Cracked Bolete is small, slender, has yellow pores, and a red-cracked olive cap. When in doubt, avoid large chalky boletes!

The cracking of the cap is a combined result of rapid growth and dry air. The velvety outer skin is not elastic, so as the inner white-red cap flesh expands, the skin splits open, revealing the gorgeous red pigmented layer underneath.

Common Look-alikes & Foraging Danger

White Cap Mold (Hypomyces)

Symptoms: The olive-brown cap and yellow pores develop a fuzzy, dense white-to-yellow mold coating.

Action: DISCARD IMMEDIATELY. Red Cracked Boletes are highly prone to infection by the parasitic mold Hypomyces chrysospermus (Bolete Eater). Infected mushrooms are toxic and completely inedible.

Soggy Softness (Waterlogging)

Symptoms: The cap feels extremely soft, mushy, and holds water like a sponge after heavy autumn rains.

Action: Do not harvest. The soft flesh degrades very quickly when waterlogged. Leave them in place and only harvest dry, young buttons.

Frequently Asked Questions

Why does the cap split open?

The velvety cap skin is dry and non-elastic. When the mushroom grows rapidly after a rain, the expanding inner flesh pulls the skin apart, causing it to split and crack into a beautiful mosaic that reveals the red flesh underneath.

Why does the flesh inside the cracks look red?

The mushroom produces high concentrations of red anthocyanin-like pigments in the layer of flesh directly beneath the cap cuticle. When the outer olive-brown skin cracks, this pigmented red layer is exposed.

Is the Red Cracked Bolete good to eat?

It is edible and safe, but it has a relatively soft, mushy texture when cooked, which some foragers find unappealing. It is best enjoyed when mixed with firmer mushrooms, or dried first to improve texture.

How do you tell it apart from other cracked boletes?

The Red Cracked Bolete (Xerocomellus chrysenteron) is distinguished by its olive-brown cap with rose-red cracks, its slender stem that is bright red at the base, and its large, angular yellow pores that bruise slow blue-green.