Guía de plantas
Bitter Bolete.
Tylopilus felleus
Pronunciación ty-lo-PI-lus FEL-le-us
También se conoce como Bitter Bolete

The Bitter Bolete is a common woodland fungus known for its striking resemblance to edible porcini mushrooms. It is easily identified by its bitter taste, which makes it inedible despite not being toxic. You will typically find these growing near deciduous or coniferous trees.
De un vistazo
- Plant type
- fungus
- Water
- Every 0 days
- Hardiness
- USDA 3 to 9
- Bloom time
- Mid to late summer through autumn
Cuidados
This is a wild fungus that cannot be cultivated in a home garden setting. It relies on a symbiotic relationship with tree roots in forest ecosystems. Do not attempt to harvest for consumption due to its intense bitterness.
- Watering
- This species is a wild fungus and requires natural rainfall in forest habitats.
- Feeding
- Do not fertilize this wild fungus.
- Pruning
- Pruning is not applicable to wild fungi.
- Repotting
- This species cannot be repotted as it is a wild woodland fungus.
- Temperature
- 5 to 25°C
- Humidity
- 70 to 95%
Seguridad
- People
- It is non-toxic, but the intense bitterness makes it inedible.
- Children
- While not poisonous, the bitter taste is unpleasant and may cause a child to spit it out immediately.
- Contact allergens
- There are no known skin irritants associated with this species.
- Airborne allergens
- Spore dust can occasionally cause mild irritation if inhaled in large quantities.
- Edibility
- This mushroom is extremely bitter and will ruin any dish it is added to, though it is not considered toxic.
Cómo identificarla
- Convex brown cap
- Pinkish pore surface
- Dark brown reticulated stalk
- Extremely bitter taste
- White flesh does not stain
- Height
- 0.05 to 0.15m
- Spread
- 0.05 to 0.12m
- Flowers
- brown, tan, 5 to 15cm
Problemas frecuentes
- Hypomyces chrysospermus — A parasitic mold that covers the mushroom in a white or golden powder.
Cómo cultivarla
- Propagation
- spores
Look for this mushroom in areas with acidic soil where trees like oak and pine are already established.
Buenas compañeras
- Oak — This mushroom frequently forms mycorrhizal associations with oak roots.
- Pine — It is commonly found growing near pine trees in forest settings.
- Beech — It thrives in the rich soil found beneath mature beech stands.
Mantenla lejos de
- King Bolete — Foragers often confuse the two, leading to disappointment when the bitter taste is discovered.
Especies parecidas
- King Bolete — It looks similar but lacks the dark, raised reticulation on the stem and is delicious.
- Bay Bolete — The pore surface bruises blue, which helps distinguish it from this bitter species.
Ciencia
- Family
- Boletaceae
- Genus
- Tylopilus
- Order
- Boletales
- Class
- Agaricomycetes
- Native range
- Widely distributed across North America and Europe in deciduous and coniferous forests.
- Conservation
- This species is common and widespread, requiring no special conservation status.
It lives in a symbiotic mycorrhizal relationship with the roots of various trees, helping them absorb nutrients.
- Value to wildlife
- mycorrhizal partner, nutrient recycler
- Uses
- ecological study, mycorrhizal research
A lo largo del año
Indicadores ecológicos
- Salinity
- 0/9
- Soil reaction
- 4/9
- Light
- 2/9
- Temperature
- 5/9
- Moisture
- 5/9
- Nutrients
- 4/9
Taxonomía cotejada con GBIF.
Lo que más preguntan
- Is it poisonous?
- No, it is not poisonous, but it is considered inedible due to its extreme bitterness.
- How can I tell it apart from a King Bolete?
- Check the reticulation on the stem; this species has dark, raised netting on a lighter background.
De dónde viene el nombre
The name Tylopilus comes from Greek words meaning knob and felt, while felleus is Latin for bitter as gall.
Bueno saberlo
- It is often mistaken for the edible King Bolete.
- The bitter taste does not disappear even with thorough cooking.
- It forms a symbiotic relationship with tree roots.
- The pore surface turns pinkish as the mushroom matures.
¿Tu bitter bolete tiene mal aspecto?
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Esta guía se ha generado con IA y se ha cotejado con la taxonomía de GBIF. Es información general, no asesoramiento botánico ni veterinario. Descubre cómo elaboramos estas guías.