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Collected once and never again since?
Read more: Collected once and never again since?You wouldn’t expect this from such a widely grown plant: it appears that all cultivated specimens are descended from a single wild collection. Discover the story of the Asian Violet and find out how it thrives in a closed terrarium.
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A truly tiny dwarf
Read more: A truly tiny dwarfWithin the pepper family (Piperaceae), species of the genus Peperomia are also known as ‘dwarf pepper’. They are found in tropical and sub-tropical regions around the world. Some of them have long been popular with horticulturists in Europe, including this particularly small as well as pretty species. Here is how Peperomia prostrata is doing in…
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From Andapa to Munich to Edinburgh into cultivation
Read more: From Andapa to Munich to Edinburgh into cultivationDiscover how Plectranthus rosulatus, a Madagascar endemic belonging to the Deadnettle Family, found its way into science and cultivation, and how the plant is doing in the hermetosphere.
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Named after an anagram
Read more: Named after an anagramFind out how the fern Selliguea metacoela is doing in the closed terrarium and how this fern genus got its name.
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Decline and resurgence
Read more: Decline and resurgenceThis is another story of a plant that has undergone prosperity, decline and resurgence in the hermetosphere. Follow the timeline of an astonishing development of a small, creeping Begonia from Borneo.
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Diving into the world of bryophytes
Read more: Diving into the world of bryophytesMosses and other bryophytes are often overlooked or regarded as decorative add-ons to flowering plants. On a closer look, however, an entire miniature wold can be observed. One of my closed terraria with at least three different bryophytes thriving made me dive deeper into this fascinating group of plants.
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Vivipary in two Gesneriads
Read more: Vivipary in two GesneriadsIn viviparous plants, the embryo grows sufficiently to emerge visibly from within the seed tissues before dispersal (Farnsworth 2000: 108). The number of plant species for which vivipary belongs to the usual form of reproduction in their natural habitats is relatively small. However, in some plant species where this form of reproduction is unusual, vivipary…
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The blue iridescence of the red Selaginella
Read more: The blue iridescence of the red SelaginellaIridescence is the name of shimmering blue metallic colors of certain plants that appear to change as the angle of view changes. You can find out how it is produced in Selaginella erythropus, why it cannot be seen with the bare eye and how unusual this is in the plant kingdom. Before that, it is…
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Tuberous miniature Sinningias
Read more: Tuberous miniature SinningiasMini sinningias are popular terrarium plants. With their geophytic life cycle, are they also suitable for the hermetosphere with its steady conditions? Information on the natural habitat, experiences from growers and an experiment should provide some insight.
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An under-researched plant family
Read more: An under-researched plant familyUsually, when I place a new plant in a new hermetosphere, I want to know its identification down to species level. I have several reasons for this. In most cases, identifying the species is a prerequisite for obtaining information about its natural habitat. This information is helpful to assess whether or not a plant is…
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Hermetospheres 