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Trichocereus nigripilis / Trichocereus spinibarbis (Echinopsis)

Trichocereus nigripilis / Trichocereus spinibarbis (Echinopsis)   Trichocereus nigripilis / Trichocereus spinibarbis is a Chilean Trichocereus species. There is a lot of confusion surrounding the name. According to Ritter, the plant was synonymous with a plant called Cereus spinibarbis Otto, which is why he described it as Trichocereus spinibarbis. These days, Trichocereus nigripilis is not an…

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