Tricholoma portentosum

Today we bring the analysis of a type of mushroom that is considered an excellent edible but that has a large number of mushrooms very similar to it and that can lead to dangerous confusions. It is the Tricholoma portentosum mushroom. It is known by the common name of nasturtium and is quite in demand in the world of mushroom gathering.

Therefore, we are going to dedicate this article to tell you about all the characteristics, habitat and possible confusions of the Tricholoma portentosum.

Main features

Hat and foils

It is a type of mushroom whose hat is normally between 5 and 15 centimeters in diameter. We can differentiate this type of hat with wide shapes depending on the degree of maturity of the mushroom. When the specimen is young we see it with a conical and campanulate shape that evolves to the convex one as it develops. The individual that reaches the adult stage we can see that his hat is flat but always retaining a soft mamelon.

It has a cuticle easily separable from the meat and is dark greenish-gray in color with some yellowish reflections. Some of these characteristics alone that help later to be able to differentiate this mushroom from others that can become poisonous and dangerous chair we consume. Based on the color of the cuticle , the radial fibrils can be seen with a dark violet gray color.

As the individual reaches adulthood, the colors of the cuticle become lighter, which also acquires a slightly viscous texture when the weather is wet. The edge of the hat is curved in youth, while maturity is acquiring an extended and strongly wavy shape.

Its blades are bounded by a tooth and lobed in type. They are unequal to each other and of the ventruded type. As they are quite fragile sheets, the inequality between these sheets is accentuated with age. They are not very tight between them and with age they separate noticeably more. We can find the sheets spaced between them in an adult fungus. Said plates have a very light greyish-white color with some yellow reflections that can be seen, especially in adult specimens and in the upper part.

Pie and meat

As for the foot, it is cylindrical with lateral and straight situation with a little fibrous appearance and with a length between 5 and 15 centimeters long and 2 centimeters in diameter. When the specimen is young, we find a foot that is completely full, but that will slightly hollow during its growth. The color of the foot is white to a light grayish like the blades. It also has a very characteristic yellow reflection of this species. However, it is a rather difficult reflection to identify, so it is convenient that for the collection of this type of mushrooms the collector is more expert or has experience in collecting this exclusive species.

The foot is usually found very buried and if they are extracted in their entirety, it can be seen that it is a bit radical.

Finally, its meat is white and somewhat grayish in adult specimens. It also has yellowish reflections and is fragile and delicate. Its flavor is sweet and with a floury but soft smell.

Tricholoma portentosum habitat

This type of mushroom is found in abundance and grows gregarious or cestepitos. On some occasions we can see that several specimens grow together with their feet joined. The time of growth and development is during the fall and early winter. The natural habitat is coniferous forests, although we can also find it in beech forests. In these ecosystems we find it with a lower proportion since they do not have the same environmental conditions for their development.

The advantage of this mushroom over others is that it can withstand frost as soon as possible and it is a great edible that is harvested late. Until recently it was a despised type of mushroom in the kitchen. However, the Tricholoma portentosum has been considered an excellent edible mushroom and its collection is quite rewarding. This is due to its large size and multiple specimens can be harvested together, so the mushroom basket fills up fairly quickly.

Since it is capable of increasing frost, it can freeze and thaw continuously during winter cycles. This makes its quality significantly improve in gastronomy. This is the reason why many fans of mushroom picking already know more about this in specimen and look for it once winter begins after some frosts.

Confusions of the Tricholoma portentosum

As we mentioned at the beginning of the article, it is a type of mushroom that has several possible confusions, and some of them are toxic. Therefore, in order to collect this great edible, it is necessary to know well the fundamental aspects when it comes to differentiating between species. Let’s analyze the main confusions of Tricholoma portentosum:

  • Tricholoma josserandii: it is one of the species of mushroom that has produced the most poisonings since it is confused with Tricholoma portentosum. Their confusion is due to the fact that they look very similar but do not have the yellowish reflections of the foot that are characteristic of the nasturtium. As we have mentioned the characteristics, although this reflection is difficult to distinguish, it can become a great differentiator of species. The advantage that we do not confuse this fungus with the other is that it has a low abundance.
  • Tricholoma virgatum: has the shape of the hat much more conical and pointed and a silver color. It is rare for it to flatten with age and it has a sharp mamelon. All these are the main differences to be able to differentiate between copies. We can also differentiate what they believe that the foot is very long with respect to the pointed hat. They also have the tightest blades and we saw that in Tricholoma portentosum not. It does not have the characteristic yellowish reflections of the foot of the nasturtium, finally, it has a very bitter taste and is not at all smooth. It is slightly toxic, so if consumed by mistake it can cause gastrointestinal problems.
  • Tricholoma sejuctum: the difference is that the hat is covered with yellowish or greenish fibrils on a blurred background of green or brown. Its sheets are stained white at the edge, passing through various shades of green. Its taste is bitter and it is possibly toxic. However, just because of its unpleasant taste it is not considered an edible.

I hope that with this information you can learn more about Tricholoma portentosum.

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