Carnegiea Britton & Rose (1908)
named after Andrew Carnegie (1835-1919)
Scottish-born US-American industrialist,
philanthropist and founder of the Carnegie Institution of Washington
giant columar cacti, over 12 m (39 ft) tall, 30–65 cm (11–25 in) Ø, few branches
appear only in a few meters (foot) height, sometimes as crest
ribes 12–24; areolae brown; center spines up to 7 cm (2.8 in)
longand stronger, spines at the floral region shorter and stronger
flowers numerous, abaout 12 cm (4.7 in) long, white |
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Distribution |
USA - south Arizona, southeast California, west of Colorado River
Mexico - Sonora, Sonora Desert
warm steppes, in 180 to 1350 m (590–4429 ft) altitude |
Growth period |
sunny, preferably outdoor, very warm location
this species is sensitive to moisture, thus pour little |
Winter period |
cool, dry and sunny at 5–12°C (41–53°F) |
Substrat |
minerally, well-drained, with drainage layer at the bottom of the pot |
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| Carnegiea gigantea (G. Engelmann) Britton & Rose (1908) |
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Habitat |
USA
south Arizona, southeast California, west of Colorado River
Mexico
Sonora, Sonora Desert
warm steppes, in 180 to 1350 m (590–4429 ft) altitude |
Description |
gicantic Carnegiea
over 12 m (39 ft) tall, 30–65 cm (11–25 in) Ø, with branches
ribs 12–24, blunt
areoles brown; 12 and more radial spines, 1–2 cm (0.4–0.8 in) long, radially arranged
3–6 center spines, up to 7 cm (2.8 in) long, stronger, spines in floral region is shorter and finer
flower 12 cm (4.7 in) long, white
fruit red inside and outside
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Comment |
Common name: Saguaro; national flower of Arizona
the biggest population of this species, is in the
Saguaro National Park in Arizona, USA
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Synonyms |
Cereus giganteus G. Engelmann (1848)
Pilocereus giganteus (G. Engelmann) T. Ruempler (1885) |
| CITES |
Appendix II |
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