-

Succeeding generations (1): Biophytum sensitivum
Read more: Succeeding generations (1): Biophytum sensitivumThe title of his article can be understood in two ways. If you have read my [About], you know that my goal in dealing with hermetospheres is to design miniature systems in which each plant reproduces over several generations. With this post, I begin a series of successful examples of second or third generation plants…
-

A tiny cosmopolitan
Read more: A tiny cosmopolitanWhen I started with hermetospheres, mosses were not my first priority. They sometimes came as a stowaway with other plants, and I usually let them grow. They did not trouble and formed a welcome ground cover. Moss first caught my attention when spore capsules developed on long, thin stems in my very first hermetosphere jar.…
-

A mysterious orchid with boat-shaped flowers
Read more: A mysterious orchid with boat-shaped flowersVery little is known about the orchid Restepia cymbula. According to C.A. Luer (1996), who described the species in the Icones Pleurothallidarium, its presumptive discoverer was Mario Portilla, later co-founder of the famous nursery Ecuagenera Cia. Ltda. Luer writes: “This little species without collection data was obtained in 1992 by Colomborquideas Ltd. above Medellin, Colombia,…
-

A vulnerable orchid
Read more: A vulnerable orchidAerangis hyaloides is popular with orchid collectors for its lush, brilliant white flowers. For me, this was also one of the reasons to choose it for my Madagascar container. Other reasons were its small size, its supposedly undemanding cultivation and its suitable temperature, humidity and light preferences as an understory species of lowland forests. My…
-

What makes a flower attractive?
Read more: What makes a flower attractive?Tillandsia ionantha has been popular as an ornamental plant since it arrived in the greenhouses of Belgian horticulturist Louis Van Houtte (1810-1876). This is where Jules Émile Planchon (1823-1888) found the specimen he used for his botanical description of the new species (Planchon 1855). As currently circumscribed, T ionantha is widely distributed in Mexico and…
-

A most exceptional Begonia
Read more: A most exceptional BegoniaBegonia is not only among the most diverse genera in nature (about 1’550 described species), but also among the most intensively cultivated ornamental plants in the world (over 10’000 cultivars). Begonias are known from Africa (160 species), the Americas and Asia (more than 600 species each), but not from Australia. Attempts have been made to…
-

Around the world on behalf of the tsar
Read more: Around the world on behalf of the tsarOn 7 August 1803 the sailing ship Nadeshda under captain Adam Johann von Krusenstern left St. Petersburg for the first Russia-led circumnavigation of the globe on behalf of Tsar Alexander I. During a first stop in Copenhagen, German naturalist Georg Heinrich von Langsdorff (1774-1852), later diplomat in the service of the tsar, came aboard. After crossing…
-

Darwin and the mystery of the coiling direction
Read more: Darwin and the mystery of the coiling directionWhen I acquired this plant as one of my first purchases to grow in a hermetosphere, it was labelled Marcgravia umbellata, but it might as well be Macgravia oligandra. Both plants originate from the caribbean islands and belong to the shingle-leaf climbers – root-climbing plants whose leaves are adpressed and often overlap (Zona 2020). As…
-

Plant on the move
Read more: Plant on the moveThe “little tree plant” (Biophytum sensitivum) is very popular among terrarium hobbyists. Its natural habitat are wet lands of tropical India and South-East Asia, where it grows in the shades of trees and shrubs, in grass lands at low and medium altitudes (Sakthivel and Guruvayoorappan 2012). It looks like a miniature palm tree, is perennial,…
