Discocactus horstii seeds grow into Horst's disc cactus — one of the rarest and most restricted cacti in the world, native to the seasonally dry tropical biome of Brazil (Minas Gerais, Rio das Velhas river basin area). IUCN Endangered. Named after Leopoldo Horst (1919–1993), the German-Brazilian cactus specialist who discovered this species. Produces a very flat, disc-shaped, dark green body 5–8 cm across and only 1–3 cm tall; dark olive-green to bronze-green; prominent ribs with flattened tubercles; dense cluster of short, grey to whitish comb-like spines; compact apical cephalium; nocturnal intensely fragrant white flowers; red fruits with white seeds. Frost-tender. Family Cactaceae.Full sun; very well-drained, rocky quartzite soils; drought-tolerant; warm tropical conditions; frost-tender. Minas Gerais, Brazil. IUCN Endangered. 'Horstii' honours L. Horst (1919–1993, German-Brazilian cactus specialist, discoverer); one of the world's rarest cacti; IUCN Endangered; Minas Gerais (Rio das Velhas); flat dark body 5–8 cm; nocturnal fragrant flowers Very flat disc-shaped dark bronze-green 5–8 cm; dense grey-white comb-like spines; compact cephalium; nocturnal fragrant white flowers; red fruits; Minas Gerais; IUCN Endangered; frost-tender Minas Gerais, Brazil (Rio das Velhas river basin) — seasonally dry tropical biome; IUCN Endangered; one of the rarest cacti; discovered by L. Horst Genus Discocactus: 16 species; Brazil to Paraguay; Family Cactaceae; Order Caryophyllales Full sun; well-drained quartzite soils; drought-tolerant; warm tropical; frost-tender; IUCN Endangered; very rare; nocturnal fragrant flowers; Cactaceae Discocactus horstii — Horst's disc cactus — is among the rarest cacti in the world, restricted to the quartzite outcrops of the Rio das Velhas basin, Minas Gerais; discovered by Leopoldo Horst; IUCN Endangered; the flat, dark bronze body produces intensely fragrant nocturnal flowers from a compact cephalium.IMPORTANT: Pictures show the adult plant, which is not for sale. The offer is only for seeds.
