Ariocarpus retusus ssp. trigonus
Scientific Name: Ariocarpus retusus ssp. trigonus (F. A. C. Weber) E. F. Anderson & W. A. Fitz Maurice
Synonym: Anhalonium trigonum, Ariocarpus trigonus
Family: Cactaceae
A young Ariocarpus trigonus that hasn't developed yet the mature shape
Sun Exposure: Full sun
Origin: Mexico (Tamaulipas, Nuevo Leon), at 2000 to 4000 feet elevation (600-1200 m) in limestone
Growth Habits: Solitary globose plant, up to 12 inches in diameter (30 cm), up to 10 inches tall (25 cm); tap root
Watering Needs: Water carefully, needs well draining soil with limestone added, keep drier in winter
Propagation: Seeds
The upright brownish grey tubercles of this Ariocarpus gives it a ball shape
Blooming Habits:
Ariocarpus trigonus has white to yellowish white flowers with a satin sheen, 1 to 2 inches in diameter (3 to 5 cm), up to 1.5 inches long (4 cm). They come in late autumn or early winter.
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