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Accepted Scientific Name: Echinopsis ancistrophora subs. pojoensis (Rausch) Rausch
Lobivia 3: 140. 1976
Origin and Habitat: Central Bolivia.
Type locality: Pojo, Cochabamba, Bolivia.
Synonyms:
- Echinopsis ancistrophora subs. pojoensis (Rausch) Rausch
- Lobivia calorubra var. pojoensis (Rausch) Rausch
- Lobivia pojoensis Rausch
Echinopsis ancistrophora Speg.
Anales Mus. Nac. Buenos Aires ser. 3, 4: 492. 1905
Synonymy: 31
- Echinopsis ancistrophora Speg.
- Cereus pasacanus (F.A.C.Weber ex Rümpler) F.A.C.Weber
- Mesechinopsis ancistrophora (Speg.) Y.Itô
- Pseudolobivia ancistrophora (Speg.) Backeb. ex Krainz
- Echinopsis ancistrophora var. hamatacantha (Backeb.) Rausch
- Echinopsis hamatacantha Backeb.
- Mesechinopsis hamatacantha (Backeb.) Y.Itô
- Pseudolobivia hamatacantha (Backeb.) Backeb.
- Echinopsis ancistrophora var. megalocephala (Rausch) Rausch
- Echinopsis rauschii var. megalocephala Rausch
- Lobivia calorubra var. megalocephala (Rausch) Rausch
- Echinopsis ancistrophora var. polyancistra (Backeb.) Rausch
- Echinopsis polyancistra Backeb.
- Mesechinopsis polyancistra (Backeb.) Y.Itô
- Pseudolobivia polyancistra (Backeb.) Backeb.
- Echinopsis ancistrophora var. rubriflora Rausch
- Echinopsis leucorhodantha Backeb.
- Mesechinopsis leucorhodantha (Backeb.) Y.Itô
- Pseudolobivia leucorhodantha (Backeb.) Backeb. ex Krainz
- Echinopsis lobivioides Backeb.
- Echinopsis pelecyrhachis var. lobivioides (Backeb.) H.Friedrich
- Lobivia grandiflora var. lobivioides (Backeb.) Rausch
- Mesechinopsis lobivioides (Backeb.) Y.Itô
- Pseudolobivia lobivioides Backeb. ex Krainz
- Pseudolobivia pelecyrhachis var. lobivioides (Backeb.) Backeb.
- Echinopsis pelecyrhachis Backeb.
- Mesechinopsis pelecyrhachis (Backeb.) Y.Itô
- Pseudolobivia pelecyrhachis Backeb. ex Krainz
- Echinopsis subdenudata Cárdenas
- Echinopsis subdenudata f. cristata aurea hort.
- Echinopsis subdenudata f. cristata hort.
Echinopsis ancistrophora subs. arachnacantha (Buining & F.Ritter) Rausch
Lobivia 3: 140. 1977
Synonymy: 22
- Echinopsis ancistrophora subs. arachnacantha (Buining & F.Ritter) Rausch
- Echinopsis arachnacantha (Buining & F.Ritter) H.Friedrich
- Lobivia arachnacantha Buining & F.Ritter
- Echinopsis ancistrophora var. densiseta (Rausch) Rausch
- Echinopsis arachnacantha subs. densiseta (Rausch) M.Lowry
- Echinopsis arachnacantha var. densiseta (Rausch) Friedrich
- Lobivia arachnacantha var. densiseta Rausch
- Echinopsis ancistrophora var. kratochviliana (Backeb.) Rausch
- Echinopsis kratochviliana Backeb.
- Neolobivia kratochviliana (Backeb.) Y.Itô
- Pseudolobivia kratochviliana Backeb.
- Echinopsis ancistrophora var. sulphurea (R.Vásquez) Rausch
- Echinopsis arachnacantha subs. sulphurea (R.Vásquez) Lowry
- Echinopsis arachnacantha var. sulphurea (R.Vásquez) G.D.Rowley
- Lobivia arachnacantha var. sulphurea R.Vásquez
- Echinopsis ancistrophora var. torrecillasensis (Cárdenas) Rausch
- Echinopsis arachnacantha subs. torrecillasensis (Cárdenas) M.Lowry
- Echinopsis arachnacantha var. torrecillasensis (Cárdenas) Friedrich
- Echinopsis torrecillasensis Cárdenas
- Lobivia arachnacantha var. torrecillacensis (Cárdenas) Buining
- Pseudolobivia torrecillasensis (Cárdenas) Backeb.
- Echinopsis arachnacantha var. vallegrandensis Rausch
Echinopsis ancistrophora subs. cardenasiana (Rausch) Rausch
Lobivia 3: 140. 1977
Synonymy: 3
- Echinopsis ancistrophora subs. cardenasiana (Rausch) Rausch
- Echinopsis cardenasiana (Rausch) Friedrich
- Lobivia cardenasiana Rausch
Echinopsis ancistrophora subs. pojoensis (Rausch) Rausch
Lobivia 3: 140. 1976
Synonymy: 6
- Echinopsis ancistrophora subs. pojoensis (Rausch) Rausch
- Lobivia calorubra var. pojoensis (Rausch) Rausch
- Lobivia pojoensis Rausch
- Echinopsis ancistrophora var. grandiflora (Rausch) Rausch
- Echinopsis rauschii var. grandiflora (Rausch) H.Friedrich
- Lobivia pojoensis var. grandiflora Rausch
Description: Echinopsis ancistrophora subs. pojoensisSN|1041]]SN|21065]] (a.k.a. Lobivia pojoensisSN|21066]]SN|21066]]) is a hookspined cactus from (high) moutain areas distinguished from other varieties of the very variable Echinopsis ancistrophoraSN|21065]]SN|1041]] for the larger sized stem with long tubed (ca 9 cm) reddish flowers. Plants grow mostly solitarily.
Stem: Simple, subglobose, depressed, to 8(-10) cm in diameter ( up to 10 cm high in cultivation. Grown from seed.), shining dark green.
Ribs: 15-16(-20), stout, 1 cm high, broad at base, somewhat crenate, divided into many small tubercles.
Radial spines: 3 to 7(-10), whitish, slender, flexible, spreading backward, 5 to 15 mm long.
Central spine: Solitary, rarely as many as 4, sometimes absent, more or less curved or hooked, 1 to 2 cm long light brown.
Flowers: Inodorous, borne laterally, open during the day, pink to red, medium
to long tubed (ca 9 cm). Outer perianth-segments, linear, acuminate. Inner perianth-segments, oblong, acute. Scales of pericarpel and tube with axillary hairs. They are mainly pollinated by solitary bees.
Fruit: Ellipsoid, dirty green to greenish purple, somewhat dry, 16 mm long, 8 mm in diameter. Scales on ovary and flower-tube small, their axils lanate.
Seeds: Spherical to ellipsoid, slightly constricted above the hilum, black, whit no aril.
Subspecies, varieties, forms and cultivars of plants belonging to the Echinopsis ancistrophora group
- Echinopsis ancistrophora Speg.: has flowers of varying colors. Distribution: From south of Salta, Argentina to the border into southern Bolivia.
- Echinopsis ancistrophora subs. arachnacantha (Buining & F.Ritter) Rausch: has smaller clustering stems with yellow to yellow-orange flowers. Distribution: Region of Samaipata, Santa Cruz, Bolivia.
- Echinopsis ancistrophora subs. cardenasiana (Rausch) Rausch: has bright magenta to red flowers. Distribution: Tarija.
- Echinopsis ancistrophora var. densiseta (Rausch) Rausch: has longer end denser spines than some of the others and flowers are red. Distribution: Vallegrande, Santa Cruz, Bolivia, just at east of var. vallegrandensis.
- Echinopsis ancistrophora subs. pojoensis (Rausch) Rausch: has larger stems and reddish flowers. Distribution: Pojo, Cochabamba, Bolivia.
- Echinopsis ancistrophora var. sulphurea (R.Vásquez) Rausch
- Echinopsis ancistrophora var. torrecillasensis (Cárdenas) Rausch
- Echinopsis subdenudata Cárdenas: has a globose to elongate stems to up to 8 cm high with 8 to 12 -ribs. Almost spineless or with very short cream spines.
- Echinopsis subdenudata f. cristata aurea hort.: yellow mutant completely lacking chlorophyll pigment with fan shaped stems.
- Echinopsis subdenudata f. cristata hort.: is a very nice crested Echinopsis, easily recognizable for its almost spineless body.
Bibliography: Major references and further lectures.
1) Boris O. Schlumpberger and Robert A. Raguso “Geographic variation in floral scent of Echinopsis ancistrophora (Cactaceae); evidence for constraints on hawkmoth attraction” in: Oikos 117: 801-
814, 2008
2) Edward Anderson “The Cactus family” Timber Press, Incorporated, 2001
3) 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
4) David R Hunt; Nigel P Taylor; Graham Charles; International Cactaceae Systematics Group. "The New Cactus Lexicon" dh books, 2006
5) Urs Eggli, Leonard E. Newton: “Etymological Dictionary of Succulent Plant Names” Birkhäuser 2004
6) Ortega-Baes, P. & Lowry, M. 2013. Echinopsis ancistrophora. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 03 August 2014.
7) E Haustein “Der Kosmos Kakteenfuehrer (the Kosmos Cactus Guide)” Balogh Scientific Books 01 December 1998
8) Pat Willmer “Pollination and Floral Ecology” Princeton University Press, 05/Jul/2011
9) Walter Rausch “Lobivia: The Day Flowering Echinopsidinae from a Geographical Distribution Point of View”, Volumes 1-3 R. Herzig, 1975
10) Willy Cullmann, Erich Götz (Dozent Dr.), Gerhard Gröner “The encyclopedia of cacti” Timber Press, 1987
11) John Pilbeam “Cacti for the Connoisseur: A Guide for Growers & Collectors” Timber Press, 01/Jul/1987
12) Carlos Luis Spegazzini “Cactacearum Platensium Tentamen.” In: Anales del Museo Nacional de Buenos Aires. 3(4): 492–493 1905
13) Martin Lowry: “Echinopsis.” In: Cactaceae Systematics Initiatives. 13: 16–17 2002
14) Succulenta.37,1956
15) Walter Rausch: Kakteen und andere Sukkulenten. 23(2): 32.1972
16) Heimo Friedrich: Kakteen und andere Sukkulenten. 25(4) 82. 1974
17) Urs Eggli, Leonard E. Newton: "Etymological Dictionary of Succulent Plant Names." Springer, Berlin/Heidelberg 2010
18) Zuloaga, F. O., O. N. Morrone, M. J. Belgrano, C. Marticorena & E. Marchesi: Monogr. Syst. Bot. Missouri Bot. Gard. 107: 3 Vols., 3348 p. 2008.
19) Nathaniel Lord Britton, Joseph Nelson Rose “Cactaceae: Descriptions and Illustrations of Plants of the Cactus Family” vol. 1 The Carnegie Institution of Washington, Washington 1919
Cultivation and Propagation: Echinopsis ancistrophora subs. pojoensisSN|21065]]SN|21065]] is a good beginner cactus and very easy to grow and flower. It is quite resistant and occasionally gets covered by bright showy yellow blossoms also neglected in a dry windowsill. Requires good drainage and very porous potting mix. Watering Needs Need regular water in spring to fall but do not water again until dry. Also, it is a species that is dormant in the winter and require very little water (maybe even none) during the cold months.
Frost Tolerance: Light frost protection required. Minimum of 5ºC for safe growing (but hardy up to -5°C or less) but some clones are hardy to lower temperatures. Requires to be kept below 7°C in winter to flower well in the spring.
Sun Exposure: Requires bright light (protect from strong midday sun). In shade the body colour will remain mostly green, while full sun will darken it and give it red/brown body colour. Can be sunburned if moved from shade/greenhouse into full sun too quickly. The amount of sunlight it can withstand without scorching depends upon the how hot it becomes in the summer in the locale in which it is planted. It will have more colour if it receives more light. During the spring it may be able to take full sun until the heat arrives at the end of spring. In an area that has hot afternoon sun, it may be able to take full morning sun, but requires afternoon shade or afternoon light shade.
Propagation: Seeds or offsets that appear at the base; leave them attached to form a cluster, or wait until they are 1/3 the size of the parent and then detach and plant.
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