Echinocereus Engelmann (1848)

(latin echinus = hedgehog, latin cereus = waxy, candle)
a genus of columnar cacti, because of spination, short columnar plants

short columnar to oblong to flat globular, soft fleshy, forming clumps
ribs very different, often under 10; spines partly spreaded, partly pectinate, colored
flowers large, 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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Description

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

Growth period

sunny and hot, but some differences to respect
1. with green, less spined shoots, are easy to cultivate,
    should be protected before blazing sun in spring, after flower a sunny location
2. with stronger spined shoots, are some sensitive for to much watering, careful pouring
    get a full sunny location
permanent moisture avoid, first watering in March
than constant pouring, but first after drying soil, constant slightly moisture, to form buds
in early summer many watering, in mid summer and early fall sparse pouring
from late fall to spring absolutly dry

Winter period

very light and absolutly dry minimum 6–10°C (42–50°F)
shrink of shoots is normal
some species are winter-hard and are cultivate outdoor with some measures

Substrat

with some clay, nutritious and well porous
   
Echinocereus oklahomensis Lahmann (1950)
 
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Field number

HK1844 - collected by Horst Kuenzler

Habitat

USA
Oklahoma - Great Plains Grassland

Description

simple or branching with 12 or more stems  
globular to cylindrical, straight, to the tip reduced, often constrict,
light to dark green, to 40 cm (15.7 in) high and 10 cm (3.9 in) Ø
areoles small, elliptical
10–19 ribs, small with lowly bumps
1–3 central spines, small, different colored
up to14 radial spines, pectinate, 0.3–2.5 cm (0.11–1 in) long
flowers appear near the crown, funnel shaped, fragrant,
pink to magenta, with darker or white center,
5–12 cm (2–4.7 in) long, to 12 cm (4.7 in) Ø

Comment

Echinocereus oklahomensis HK1844 is with rain protection to about - 20°C (-4°F) winter-hard
Synonyms Echinocereus reichenbachii ssp. baileyi (N. J. Rose) N. P. Taylor (1997)
CITES Appendix II
 
Description of "Kakteen von A bis Z" by Walter Haage with courtesy by Kakteen-Haage made available.

 

 

 

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