Gymnocalycium horstii var. buenekeri is from Brasil, has harmless spines going against the body of the plant and only 4-5 ribs. Gymnocalycium eurypleurum is from the border of Paraguay with Bolivia and is a relative of the anisitsii/damsii group. Search the name on the internet and you will see that this plant is indeed eurypleurum. I have both eurypleurum and horstii var. buenekeri and they do not even look similar. Eurypleurum is quite an interesting and rare plant in collections and it does very rarely offset, while horstii is bigger, getting to 20-25 cm and offsets after some time. Eurypleurum has quite long spines, straight and stout (not curved on the body, like in the case of horstii) under a good sun exposure and will get to 7-10, maybe 15 cm across.
The label Gymnocalycium horstii buenekeri (care of RHS Wisley) is incorrect. Unfortunately I cannot edit the shared comment.
The label Gymnocalycium horstii buenekeri (care of RHS Wisley) is incorrect. Unfortunately I cannot edit the shared comment.
Cactus seeds from a packet can easily be made to germinate. In this video we can see Cactus seeds from a packet have germinated in a propagator. I have used food container as propagator. Some cactus seeds can take many weeks to germinate but some will germinate in a couple of weeks. If you have time visit https://sites.google.com/view/cactus-realm to have a look at some of my cactus plants in more detail.
Scarlet Ball Cactus Parodia haselbergii Parodia and Notocactus have been merged into a single genus, native to upland Argentina, Peru, Bolivia, Brazil, Colombia and Uruguay. Parodia haselbergii is one of the first cactii plants to flower each year. Started flowering in April in the UK in my greenhouse (not heated) If you have time visit https://sites.google.com/view/cactus-realm to have a look at some of my cactus plants in more detail.
Gymnocalycium oenanthemum Gymnocalycium oenanthemum and Gymnocalycium ragonesei 2018 Hot summer - cactus plants flowering abundantly. The first cactus may be a Gymnocalycium baldianum "dwarf chin cactus", not too sure how to tell the difference.
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