Echinocereus Engelmann (1848)

(Latin "echinus" = hedgehog; Latin "cereus" = waxy, candle)
a genus of columnar cacti, because of its spination and short columnar stems

short columnar to oblong to flat globular, soft fleshy, forming clumps
ribs very different, often less than10; spines partly spreaded, partly pectinate, colored
flowers large, last for a long time, calyx and tube acicular spined
stigma mostly green; fruits strong spined, juicy; seeds small to medium size, black

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Mexico - northern of Mexico City to
USA - California, Utah, Wyoming and South Dakota
very warm steppes

Growth period

sunny and hot, but some differences are recommend
1. with green, less spined stems, are easy to cultivate,
    should be protected against blazing sun in spring, after the flower time placing on a sunny location
2. with stronger spined stems, are somewhat sensitive to too much water, carefully watering
    placing on a location with full sun exposure
permanent moisture is to avoid, first watering should be in March
then constant watering, but always after the soil is dried, constant slightly moisture is needed to form buds during the spring
in early summer enough watering, in high summer and early fall sparsely watering
from late fall on to early spring keep them absolutly dry

Winter period

very bright and absolutly dry with a minimum of 42–50 F (6–10°C)
shrink of the stems is usual
some species are cold hardy and it is possible to cultivate them outdoor the whole year around


minerally, nutritious and peremable to water
addition of quartz gravel, pumice, expanded slate and some humus
Echinocereus fasciculatus (Engelmann ex B. D. Jackson) L. D. Benson (1969)
Habitat - Brown Mountains
Pima County, Arizona, USA
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Arizona, New Mexico
Chihuahua, Sonora
in (100–)1970–3280(–4920) ft ((30–)600–1000(–1500) m) altitude


fascicle Echinocereus
cylindrical to elongated, green, 6.3–17.7 in (16–45 cm) high, 1.5–2.9 in (4–7.5 cm)  Ø,
stems not completly hidden behind spines
8–18 ribs, not clearly tubercular
11–13 radial spines, whiteish or grayish, spreaded,
straight, 0.4–0.7 in (1.2–2 cm) long
2–4 central spines, one of it stand away, bright colored with dark tip,
straight, 1–2.9 in (2.5–7.5 cm) long
flowers broad funnel shaped, magenta to reddish purple, 2–2.4 in (5–6.2 cm) long and Ø
fruits globular, green, later red, fleshy
Flowering time May–June in cultivation
March–June in habitat
4–5 years from seed
Synonyms Mammillaria fasciculata Engelmann ex B. D. Jackson (1895)
Cactus fasciculatus (Engelmann) Kuntze (1891) (nom. inval.)
Neomammillaria fasciculata (Engelmann) Britton & Rose (1923)
Echinocereus fendleri var. fasciculatus (Engelmann ex B. D. Jackson) N. P. Taylor (1985)
Echinocereus engelmannii ssp. fasciculatus (Engelmann ex Watson) Blum & Lange (1998)
CITES Appendix II