WR 172 Quebrada de Humahuaca, Jujuy, Argentina
This is a fiercely spined and quite variable species
with spectacular flowers of almost any colour: red, pink, yellow,
bicoloured or white.
Very large and spiny cactus, solitary or branched. The body is
almost concealed by the spines.
Stem: Bluish-green, spherical at first and later sort
cylindrical, and may grow 25 cm tall and 10-40 cm in diameter.
Ribs: 25 to 50 ribs deeply incised between the tubercles, which
are approx. 2 cm long.
Spines: Radials are hard to tell from the central spines. Each
areole bears approx 4 to 15 spines ranging from slender to thick,
conical with a wider base, and irregular in length, the longest up to 8
cm or more. They are flexible and curved upward, and those on new parts
of the plant have occasionally a hooked tip. Their colour varies from
yellowish to brown when young but later grey.
Flowers: Lateral or basal, 7-10 cm. long, funnel-shaped, and have
a slender, curved tube covered with long white hairs. Perianth segments
are short white but can be of almost any colour.
Fruit: Globular, dark green with flowers remnants.
Remarks: The fruit has a whitish mucilaginous pulp and
is edible with a fresh and agreeable taste
Cultivation: It is a summer
grower species that offers no cultivation
difficulties. Water regularly in summer (but do not overwater )
needs good drainage and very porous, keep rather dry in winter.
Feed with a high
potassium fertilizer in summer.
It is quite frost resistant if kept dry (hardy to -12° C)
Need a very bright exposure, full sun is
indispensable to keep plant compact with strong spines.
Propagation: Direct sow after
last frost, offsets (if available)
Photo of conspecific taxa,
varieties, forms and cultivars of Lobivia (Echinopsis ferox).
(This taxon has lots of synonyms (like
most Lobivia) whit several controversial varieties and subspecies):
Britton et Rose
Nowadays regarded as:
(Britton & Rose ) Backeberg
In: Blätter für Kakteensforschung 3: 4, 1934
Origin: NW Argentina ( Salta y Jujuy, at about 2000 m),
Western Bolivia (departement of Oruro. Chuquisca: N Camargo, at about
3000 m) NE Chile: Región I: Altiplano of Tarapacá Province of Iquique
3.700 y 4.000 m.
Habitat: Growing from fissures in the
rocks and on gravely outcrop mainly on volcanic substrates but also in
other stone formation from 1800 to 4000 m of altitude, mostly on N, NE
and E faced slopes with 10 to 30% of inclination in open areas or under
Conservation status: Listed in
CITES appendix 2.
- Echinopsis ferox (Britton & Rose)
- Lobivia ferox Britton & Rose 1922 (Basionym)
- Pseudolobivia ferox (Britton & Rose) Backeberg
- Lobivia ferox var. longispina
- Lobivia longispina Britton & Rose
- Echinopsis longispina (Britton & Rose) Werdermann 1931
- Echinopsis potosina Werdermann
- Pseudolobivia potosina (Werdermann) Backeberg ex Krainz 1942
- Lobivia potosina (Werdermann) H. Friedrich 1974
- Lobivia claeysiana Backeberg 1937
- Lobivia hastifera Werdermann 1938
- Lobivia aureolilacina Cárdenas
- Lobivia backebergiana Y. Itô 1962
- Lobivia pachyacantha Y. Itô 1962
- Pseudolobivia wilkeae Backeberg
- Echinopsis lecoriense Cárdenas
- Pseudolobivia lecoriense (Cárdenas) Backeberg 1966
- Lobivia horrida F. Ritter 1963
- Lobivia pictiflora F. Ritter 1966
- Lobivia varispina F. Ritter 1980;
- Lobivia ducispauli Fric.
- L. ferox var. camargensis Ritter