General Plant Information (Edit)
Plant Habit: Cactus/Succulent
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Minimum cold hardiness: Zone 9a -6.7 °C (20 °F) to -3.9 °C (25 °F)
Fruit: Indehiscent
Flowers: Showy
Flower Color: White
Other: Purplish pink
Bloom Size: 3"-4"
Flower Time: Summer
Late summer or early fall
Suitable Locations: Xeriscapic
Uses: Will Naturalize
Resistances: Drought tolerant
Containers: Needs excellent drainage in pots
Miscellaneous: With thorns/spines/prickles/teeth
Conservation status: Least Concern (LC)

Conservation status:
Conservation status: Least Concern
Image
Common names
  • Elephant's Tooth
  • Biznaga Partida Diente de Elefante
  • Tlaltegogomitl
  • Starry Ball
  • Biznaga Colmillos de Elefante

Comments:
  • Posted by Baja_Costero (Baja California - Zone 11b) on Apr 7, 2020 1:20 PM concerning plant:
    Solitary or clumping Mexican cactus with 6-8 radial spines (no centrals) and large purplish pink or white flowers with reddish highlights. Stems are green or blue-green and grow to 3-8 inches wide and up to 5.5 inches tall in old age. Presumably the species name (elephant tooth) refers to the large, thick, rounded tubercles, each of which bears a groove on the upper surface.

    From Michoacán and Morelos in central Mexico.

    Stout roots. Fuzz appears on new tubercles and axils but disappears when they get older. The flowering season starts in mid summer here, and earlier than that in warmer climates. Flowers appear at the apex, opening during the day and closed by sunset.

    Branches sprout from the grooves above the areoles. The offsets can be used to start new plants very easily. They come off with almost no effort when they're relatively small (by accident if you're not careful), and they root right away.

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