Splendid but… untouchable: Echeveria laui, when the sky is reflected in a succulent plant

Admire it as long as you want, but don’t you dare touch it! Even a simple caress is able to disfigure this masterpiece of Nature, altering the suggestion of wax – or the sensation of painting – that this succulent plant returns to the eye. Echeveria laui is a very widespread Crassulacea and also appreciated by those who mainly grow cacti. Its appearance, on the other hand, is undeniably attractive and it is difficult for a specimen of this succulent to go unnoticed. Either for that splendid blue color, or for the compact shape of the rosette, with the blunt tips or, again, for its uniqueness even within the Echeveria genus, which also boasts various species with specimens with pale blue leaves. The fact is that it is impossible not to admire the perfection of a well-cultivated (and above all never touched!) specimen of this particular species.

In this article we deepen our knowledge of Echeveria laui, we understand why it has this appearance which is certainly not unique in the world of succulents but undoubtedly peculiar, and we learn how to grow it correctly. (…)

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Mammillaria luethyi, the incredible story of its discovery in the Fifties and tips for growing it

Unlike what usually happens with cacti, Mammillaria luethyi was first observed by a researcher not in its habitat but in a… coffee can. Weird? Wait until you read the whole story, then. Yes, because the discovery of this species of Mammillaria is relatively recent (half of the Fifties of the twentieth century) and still today we cannot certainly define it as a widespread plant in cultivation or regularly available on the market. Nevertheless, it’s one of the most fascinating species among Mammillaria, one of the most intriguing and undoubtedly the one having the showiest flowering, and at the same time delicate and charming. As a counterbalance to these qualities, there are some difficulties in cultivation and the tendency of the root to rot: these aspects, in addition to the slowness in growth, make M. luethyi reserved for pure enthusiasts and experienced cactophiles, although with not a few difficulties.

The following article was published in Volume 61, Issue 2 (May 2021) of the Journal of The Mammillaria Society. Thanks to the editors for their welcome publication. (…)

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Lophophora williamsii, the sacred cactus illegal in some states: let’s get to know the infamous Peyote

Yes, it can be grown but not sold… no, it cannot be cultivated nor sold… Yes and no at the same time: only young specimens can be raised because, after seven or eight years, the plant produces the notorious mescaline, and it becomes illegal (therefore, it must be incinerated???). Yes, you can keep it, but only if purchased before 2006, because it’s from that year that the plant was included in the “Testo Unico sulle Droghe” (Law-framework on drugs). In Italy and in many other European countries, about the cultivation of Lophophora williamsii (a Cactaceae also known as “peyote” or “peyotl”), people have been said everything and its opposite. This is because in Italy and in some other European countries, the possession and the sale of this cactus have been the subject of normative interventions, but, as it often happens, laws are muddled, lacunose, obscure and, from a logical point of view, sometimes not very coherent. For example: in the tables attached to the Italian law on drugs, it is mentioned only Lophophora williamsii, when cactus experts know very well that of Lophophora, besides williamsii, there are several other species: decipiens, diffusa, fricii, koehresii, alberto-vojtechii.

In this article, relying on official sources, we will know better this particular kind of cactus and see in detail what the Italian law exactly says. Please remember that this plant is illegal in Italy as well as in other states, so you better check the legislation of your country to avoid taking risks! (…)

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The distribution of cacti and succulents in the world: maps with the states where they grow

Have you always wondered what part of the world your cactus or succulent plant comes from? From the Americas or maybe from Asia? From Africa or Europe? The topic of succulent plant distribution is vast and very intricate. However, to begin to simplify, we can say that all cacti are native to the Americas, while succulent plants in general (i.e. non-cactaceous succulents) come from different parts of the world.

In this article and in the two large maps attached, we see how cacti and non-cacti succulents are distributed around the world. We see in particular from which geographical areas the succulents originally evolved. (…)

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