Echinomastus Britton & Rose (1922)

(Greek "echinos" = hedgehog; Greek "mastos" = breast)
tubercled hedgehog cactus, because of the spiny tubercles on the plant body
ovate to cylindrical; ribs seperated in tubercles, behind the spines with a furrow-shaped oblong areole
flowers short, stout, bell-shaped
fruits very dry, with scales
seeds with a fine grid and tubercles, black

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Distribution

USA - in the southwest
Mexico - in the north
warm arid areas

Growth period

full sun to partial shade but a very warm location,
sensitive to too much moisture, keep the root neck dry
always carefully and sparsely watering,
plants are also sensitive to cold moisture during the summer

Winter period

bright and dry at 41–50°F (5–10°C)

Soil-mixture

gravelly, minerally and very permeable to water
addition of pumice, lava, quartz gravel and expanded slate
   
Echinomastus erectocentrus (J. M. Coulter) Britton & Rose (1923)
 
Habitat - Rincon Mountains,
Pima County, Arizona, USA
       
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Habitat - eastern of Tucson,
Pima County, Arizona, USA
       
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Habitat

USA
Arizona - in the southeast in the Chihuahua Desert
on limestone hills between creosote shrubs,
between tuft of grass and rocks
in about 3900 ft (1200 m) altitude

Description

erect spurred Echinomastus
ovate to cylindrical, to 7.8 in (20 cm) long, to 3.9 in (10 cm) Ø, pale blueish-green
15–20 ribs, with dense tubercles
about 14 radial spines, ca. 0.5 in (1.25 cm) long, straight
central spines to 1 in (2.5 cm) long, reddish or purple

flowers 0.8–1.6 in (2–4 cm) Ø, pink, with dark center, above brown-pink
fruits about 0.6 in (1.5 cm) long, cylindrical, pale green
seeds with fine tubercles, dull black

Synonyms

Echinocactus erectocentrus J. M. Coulter (1896)
Neolloydia erectocentra
(J. M. Coulter) L. D. Benson (1969)
Sclerocactus erectocentrus (J. M. Coulter) N. P. Taylor (1987)
Pediocactus erectocentrus (J. M. Coulter) Halda (1998)

CITES

Appendix II since 01. July 1975; Appendix I since 29. July 1983
 
Description of "Kakteen von A bis Z" by Walter Haage with courtesy by Kakteen-Haage made available.

 

 

 

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