Echinomastus Britton & Rose (1922)

(greek echinos = hedgehog; greek mastos = breast)
hedgehog tubercles cactus, because of the spiny tubercles on the plant body
ovate to cylindric; ribs seperated in tubercles bumps, behind the spines with a furrow-shaped oblong areole
flowers short, stocky, bell shaped
fruit very dry, jointed
seeds with a fine grid and bumps, black

Highslide JS
 

Distribution

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

Growth period

full sun to half shade but very warm location,
sensitive to moisture, root neck keep dry
always careful and sparse watering,
plants are also during the summer sensitive against cool moisture

Winter period

light and dry at 5–10°C (41–50°F)

Substrat

gravelly, pure mineral and very permeable to water
addition of pumice, lava, gravel and expanded shale
   
Echinomastus unguispinus (Engelmann) Britton & Rose (1922)
 
Highslide JS
       
         

Habitat

Mexico
Chihuahua, Zacatecas, Coahuila, Durango, San Luis Potosí

Description

claw spines Echinomastus
globular, to 10 cm (3.9 in) high, 7 cm (2.7 in) Ø
crown wooly and with spines
about 21 ribs, splitted in bumps
areoles to 0.5 cm (0.2 in) Ø, round
about 21 radial spines, 1.2–2 cm (0.4–0.7 in) long, the upper to 3 cm (1.2 in) long,
interwoven, white
4–8 central spines, somewhat stronger, one of it is especially stronger to 4 cm (1.5 in) long,
somewhat curved, talon shaped, brown to blackish,
the other 2.4–3.5 cm (0.9–1.3 in) long, strong erect, blueish to horn-colored
flowers 2 cm (0.7 in) Ø, greenish with greenish to reddish-brown center

Synonyms

Echinocactus unguispinus Engelmann (1848)
Neolloydia unguispina
(Engelmann) L. D. Benson (1974)
Thelocactus unguispinus (Engelmann) G. D. Rowley (1986)
Sclerocactus unguispinus (Engelmann) N. P. Taylor (1987)
Pediocactus unguispinus (Engelmann) Halda (1998)

CITES

Appendix II
 
Description of "Kakteen von A bis Z" by Walter Haage with courtesy by Kakteen-Haage made available.
Pictures with courtesy by Dr. Juergen Menzel, El Cajon / California made available.

 

 

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