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Accepted Scientific Name: Echinopsis tiegeliana (Wessner) D.R.Hunt
Bradleya 9: 88. 1991
Origin and Habitat: Garden origin (Nursery produced cultivar)
- Lobivia pusilla f. aurea hort.
Echinopsis tiegeliana (Wessner) D.R.Hunt
Bradleya 9: 88. 1991
- Echinopsis tiegeliana (Wessner) D.R.Hunt
- Echinopsis fricii (Rausch) Friedrich
- Echinopsis tiegeliana f. cristata hort.
- Echinopsis tiegeliana f. variegata hort.
- Lobivia pusilla f. aurea hort.
- Lobivia pusilla f. cristata hort.
- Lobivia tiegeliana f. albiflora (Krainz) Krainz
- Lobivia tiegeliana f. dimorphipetala (F.Ritter) J.Ullmann
- Lobivia tiegeliana var. distefanoana Cullmann & F.Ritter
- Hymenorebutia tiegeliana var. distefanoiana (Cullmann & F.Ritter) F.Ritter
- Lobivia tiegeliana var. flaviflora (F.Ritter) Rausch
- Lobivia tiegeliana var. peclardiana (Krainz) Krainz
- Lobivia peclardiana Krainz
- Lobivia tiegeliana var. pusilla (F.Ritter) Rausch
- Lobivia tiegeliana var. ruberrima Rausch
- Hymenorebutia tiegeliana var. ruberrima (Rausch) F.Ritter
- Lobivia tiegeliana var. uriondoensis Rausch
- Lobivia tiegeliana Rausch non Wessner
- Lobivia tiegeliana f. winteriae (Krainz) Krainz
- Mediolobivia hirsutissima Cárdenas
Description: Echinopsis tiegeliana var. pusilla firstly described as Lobivia pusilla is an hight altitude form of the wide ranging and very variable Echinopsis tiegeliana distinguished by smaller stems only 40 mm tall and shorter spines.
Forma aurea (yellow form): The schizochromic form (Echinopsis tiegeliana var. pusilla f. aurea|SN|26122]]) has pale yellow stems due to the absence (or reduced production) of chlorophyll pigments: every other pigment is present at normal levels, the dominant green colouration is lost, but will still more than likely have normal other pigments that give the yellow overall appearance of the stem. This form with yellow stems is very attractive and highly prized. This schizochromic form is almost always seen grafted on stronger columnar species, and cannot can be grown on its own roots. However some clones have enough chlorophyll in their tissues and can be grown on they own roots too, but very slow growing.
Stems: Yellow, spherical more or less flattened usually less than 4 cm tall in habitat (but often larger in cultivation). It has up to 20 ribs, with raised tubercles between which the areoles appear. The tubercles are spirally arranged on the stem's surface.
Spines: Arranged like little spiders, cream coloured, yellowish or brownish, turning greyish eventually.
Flowers: Mostly deep red.
Subspecies, varieties, forms and cultivars of plants belonging to the Echinopsis tiegeliana group
- Echinopsis tiegeliana (Wessner) D.R.Hunt: grows flat with the ground from a fleshy tap root, it is very variable in spination and flower colour over its geographic range. Distribution: Southern Bolivia, northern Argentina.
- Echinopsis tiegeliana f. cristata hort.: crested form.
- Echinopsis tiegeliana f. variegata hort.: variegated form.
- Lobivia pusilla f. aurea hort.: Mutant completely lacking chlorophyll pigment. The result is a completely yellow plant.
- Lobivia pusilla f. cristata hort.: crested form.
- Lobivia tiegeliana f. dimorphipetala (F.Ritter) J.Ullmann: has long flower-tube and long outer petals.
- Lobivia tiegeliana var. distefanoana Cullmann & F.Ritter: has shorter spines.
- Lobivia tiegeliana var. flaviflora (F.Ritter) Rausch: has yellow blooms.
- Lobivia tiegeliana var. pusilla (F.Ritter) Rausch: Has smaller stems and spines, only 40 mm tall. It is one of the smaller plants in the genus. Distribution: Tarija, Bolivia.
- Lobivia tiegeliana var. ruberrima Rausch: has pure red flowers and dark tan-green or purplish-blck stems. Disttribution: Tarija, Bolivia.
Bibliography: Major references and further lectures
1) Nathaniel Lord Britton, Joseph Nelson Rose “Cactaceae: Descriptions and Illustrations of Plants of the Cactus Family” Courier Dover Publications, 1963
2) James Cullen, Sabina G. Knees, H. Suzanne Cubey “The European Garden Flora Flowering Plants: A Manual for the Identification of Plants Cultivated in Europe, Both Out-of-Doors and Under Glass” Cambridge University Press, 11/Aug./2011
3) David Hunt, Nigel Taylor “The New Cactus Lexicon” DH Books, 2006
4) Edward F. Anderson “The Cactus Family” Timber Press, 2001
5) Clive Innes, Charles Glass “Cacti” Portland House, 01/May/1991
Cultivation and Propagation: Variegated and albinous cacti are regarded as choice and difficult in cultivation, but despite that many of them are relatively easy to grow. But be aware that they cannot tolerate prolonged exposure to direct sun light (especially during the hottest summer days), so grow them in half-shade or under filtered sun. They are sometime seen as grafted plants, but many grow well on their own roots, too.
On the contrary, the albinos can survive only if grafted on a strong green base.
Use mineral well-permeable substratum with little organic matter (peat, humus). Water sparingly from March till October and keep perfectly dry in winter at temperatures from 5 to 15 degrees centigrade. (In general these plants are more tender and cannot endure freezing temperatures ) In the rest period no high atmospheric humidity!!
Propagation: Usually by seed. Plants are often grafted onto column-shaped cacti.
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