Echinofossulocactus G. Lawrenz (1841)

(Latin "echinus" = hedgehog; Latin "fossula" = small furrow, ditch)
small furrowed cactus, lamella cactus
because of the thin wavy ribs

globular to club-shaped; numerous ribs, on adult plants more than 100, wavy
number of spines, color, shape and lenght very different
flowers appear near the apex, medium-size to small-size, white, violet or red tinged, also striped,
appear in early spring; fruits are dry, with few seeds
new taxanomy uses the name of the genus Stenocactus (K. Schumann) A. Berger (1929)

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USA - Texas
from north to central Mexico - from Chihuahua to Oaxaca
very warm steppes

Growth period

bright and warm, with protection against full sun exposure, without protection are damages by sunburn possible
enough moisture during the growth period

Winter period

cold and not completly dry at 46–59°F (8–15°C)


usual cactus soil with some humus
Echinofossulocactus kellerianus H. Krainz (1946)
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Zacatecas, Puebla, Oaxaca


named after Dr. A. Keller, Cademario
1.5 in (4 cm) high, 2.7 in (7 cm) Ø
apex dense wavy
ribs about 60
2–4 radial spines, only ca. 5 mm long, pale brown
1 upper spine, 0.4 in (1 cm) long, ca. 1.5 mm Ø, in front black, backside white-gray
central spine missing
flowers 1 in (2.5 cm) Ø, inward petals clean-white, outer with violet midvein
Flowring time May in cultivation
3–4 years from seed
Synonyms Echinofossulocactus crispatus fa. kellerianus (H. Krainz) P. V. Heath (1992)
Stenocactus crispatus (A. P. De Candolle) A. Berger (1929)
CITES Appendix II
Description of "Kakteen von A bis Z" by Walter Haage with courtesy by Kakteen-Haage made available.