
A. capricorne A. caput-medusae A. coahuilense A. myriostigma A. ornatum |}} Astrophytum is a genus of six species of cacti, native to North America. These species are sometimes referred to as living rocks, though the term is also used for other genera, particularly Lithops (Aizoaceae). The generic name is derived from the Greek words άστρον ...
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http://en.wikipedia.org/wiki/Astrophytum

(Bishop's Cap, Bishop's Miter, Goat's Horn Cactus, Monk's Hood, Sea-Urchin Cactus, Silver Dollar Cactus, Star Cactus) This popular group of cacti consists of only four wild species and maybe a dozen hybrids. These natives to Mexico are suitable for growing in greenhouses, windowsills and outdoors where climates permit. Most of these cacti form shor...
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http://www.encyclo.co.uk/local/10004
No exact match found.