Neoporteria Britton & Rose (1922)

(Chileniopsis, Chileorebutia, Delaetia, Horridocactus, Reicheocactus)
(Greek neos = new; C. E. Porter, Chilean entomologist, 20th Century)
globular, later usually cylindrical; numerous spines, very different
flowers vary in reddish colors, petals small lanceolate, acuminate, the inner consolidated, tube stick-shaped,
slightly felted, ovary is also slightly felted
fruits longish, with large hollow space, opens below; few seeds

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central to northern Chile, west of the Andes
few in south Peru and Argentinia, (Andes region)
in mountains and high mountains

Growth period

plants of this genus grow well at careful care and are recommanded for experienced cactus collector
at the northern hemisphere starts the flowering season in fall or early winter or early spring
on a bright location have this plants a summer rest, during this time do not watering or mist the plants
the main grows is in fall, plants who start budding in late fall should have sparse water and a bright warm location
for better flowering conditions

Winter period

not flowering Neoporteria in the strict sense, keep dry bright and not to warm
at 41–50°F (5–10°C)


minerally, sandy-loamy with addition of gravel or crushed bricks
Neoporteria cephalophora (Backeberg) Backeberg (1939)
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Atacama - Totoral Bajo to Carizalillo, southern of Huasco
near the coast


head bearing Neoporteria
tiny, globular, with turnip root
ribs initially seperate in twisted tubercles
areoles small

spines short, hairlike fine, at the apex tufted, brown to black
flowers smaller than at other Neoporteria species


Chilenia cephalophora Backeberg (1938)
Euporteria cephalophora
(Backeberg) Kreuzinger & Buining (1941) (incorrect name, Art. 11.4)
Neoporteria villosa
var. cephalophora (Backeberg) Donald & G. D. Rowley (1966)
Eriosyce villosa
(Monville) Kattermann (1994)


Appendix II
Description of "Kakteen von A bis Z" by Walter Haage with courtesy by Kakteen-Haage made available.