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Accepted Scientific Name: Eriosyce curvispina var. mutabilis (F.Ritter) Katt.
Eriosyce (Cactac.) gen. revis. & ampl. (Succ. Pl. Res., 1) 117 (1994)
In habitat.
Origin and Habitat: Chile, North, South and East of Pto Pichidangui.
Synonyms:
- Eriosyce curvispina var. mutabilis (F.Ritter) Katt.
- Pyrrhocactus horridus var. mutabilis F.Ritter
Eriosyce curvispina (Bertero ex Colla) Katt.
Eriosyce (Cactac.) gen. revis. & ampl. (Succ. Pl. Res., 1) 1): 117 (1994)
Synonymy: 73
- Eriosyce curvispina (Bertero ex Colla) Katt.
- Cactus curvispinus Bertero ex Colla
- Echinocactus curvispinus (Bertero ex Colla) Gay
- Hildmannia curvispina (Bertero ex Colla) Kreuz. & Buining
- Horridocactus curvispinus (Bertero ex Colla) Backeb.
- Malacocarpus curvispinus (Bertero ex Colla) Britton & Rose
- Neoporteria curvispina (Bertero ex Colla) Donald & G.D.Rowley
- Pyrrhocactus curvispinus (Bertero ex Colla) A.Berger
- Echinocactus pachycentrus Lehm. ex Pfeiff.
- Echinocactus centeterius var. pachycentrus (Lehm.) Salm-Dyck
- Echinocactus centeterius f. pachycentrus (Lehm.) Schelle
- Eriosyce curvispina var. albicans (Hildm. in K.Schum.)
- Neoporteria curvispina f. albicans (Hildm.) Donald & G.D.Rowley
- Neoporteria curvispina var. geissei f. albicans
- Eriosyce curvispina var. choapensis (F.Ritter) Katt.
- Horridocactus choapensis (F.Ritter) Backeb.
- Neoporteria choapensis (F.Ritter) Donald & G.D.Rowley
- Pyrrhocactus choapensis F.Ritter
- Neoporteria jussieui var. dimorpha (F.Ritter) A.E.Hoffm.
- Neoporteria curvispina f. subaequalis (Backeb.) Donald & G.D.Rowley
- Pyrrhocactus aconcaguensis var. orientalis F.Ritter
- Horridocactus aconcaguensis var. orientalis (F.Ritter) Backeb.
- Neoporteria curvispina var. aconcaguensis f. orientalis
- Neoporteria curvispina f. orientalis (F.Ritter) Donald & G.D.Rowley
- Pyrrhocactus horridus var. orientalis (F.Ritter) F.Ritter
- Pyrrhocactus mammillarioides var. pachycentrus (Lehm.) Backeb.
- Pyrrhocactus andicola (F.Ritter) F.Ritter
- Horridocactus andicola F.Ritter
- Neoporteria curvispina var. andicola (F.Ritter) Donald & G.D.Rowley
- Pyrrhocactus andicola var. descendens (F.Ritter) F.Ritter
- Horridocactus andicola var. descendens F.Ritter
- Neoporteria curvispina var. andicola f. descendens
- Neoporteria curvispina f. descendens (F.Ritter) Donald & G.D.Rowley
- Pyrrhocactus andicola var. mollensis (F.Ritter) F.Ritter
- Horridocactus andicola var. mollensis F.Ritter
- Neoporteria curvispina var. andicola f. mollensis
- Neoporteria curvispina f. mollensis (F.Ritter) Donald & G.D.Rowley
- Pyrrhocactus coliguayensis F.Ritter
- Neoporteria horrida var. coliguayensis (F.Ritter) A.E.Hoffm.
- Pyrrhocactus curvispinus var. combarbalensis F.Ritter
- Pyrrhocactus curvispinus var. santiagoensis
- Pyrrhocactus froehlichianus (K.Schum.) Backeb.
- Echinocactus froehlichianus K.Schum.
- Gymnocalycium froehlichianum (K.Schum.) Osten
- Hildmannia froehlichiana (K.Schum.) Kreuz. & Buining
- Neoporteria tuberisulcata var. froehlichiana (K.Schum.) Donald & G.D.Rowley
- Pyrrhocactus grandiflorus F.Ritter
- Horridocactus grandiflorus (F.Ritter) Backeb.
- Neoporteria curvispina var. grandiflora (F.Ritter) Donald & G.D.Rowley
- Pyrrhocactus horridus (J.Rémy ex Gay) Backeb.
- Echinocactus horridus J.Rémy ex Gay
- Hildmannia horrida (J.Rémy ex Gay) Kreuz. & Buining
- Horridocactus horridus (J.Rémy ex Gay) Backeb.
- Neoporteria horrida (J.Rémy ex Gay) D.R.Hunt
- Pyrrhocactus jussieui (Monv. ex Salm-Dyck) F.Ritter
- Chilenia jussieui (Monv. ex Salm-Dyck) Backeb.
- Echinocactus jussieui Monv. ex Salm-Dyck
- Hildmannia jussieui (Monv. ex Salm-Dyck) Kreuz. & Buining
- Neochilenia jussieui (Monv. ex Salm-Dyck) Backeb. ex Dölz
- Neoporteria jussieui (Monv. ex Salm-Dyck) Britton & Rose
- Nichelia jussieui (Monv. ex Salm-Dyck) Bullock
- Pyrrhocactus kesselringianus (Dölz) F.Ritter
- Horridocactus kesselringianus Dölz
- Neoporteria curvispina var. kesselringiana (Dölz) Donald & G.D.Rowley
- Neoporteria kesselringiana (Dölz) Hutchison
- Pyrrhocactus mammillarioides (Hook.) Backeb.
- Echinocactus centeterius Lehm. ex Pfeiff.
- Echinocactus mammillarioides Hook.
- Malacocarpus mammillarioides (Hook.) Britton & Rose
- Neoporteria mammillarioides (Hook.) Backeb.
- Neoporteria subgibbosa var. mammillarioides (Hook.) Donald & G.D.Rowley
- Pyrrhocactus pamaensis F.Ritter
Eriosyce curvispina var. aconcaguensis (F.Ritter) Katt.
Eriosyce (Cactac.) gen. revis. & ampl. (Succ. Pl. Res., 1) 1): 117 (1994)
Synonymy: 4
- Eriosyce curvispina var. aconcaguensis (F.Ritter) Katt.
- Horridocactus aconcaguensis (F.Ritter) Backeb.
- Pyrrhocactus aconcaguensis F.Ritter
- Pyrrhocactus horridus var. aconcaguensis (F.Ritter) F.Ritter
Eriosyce curvispina subs. armata (F.Ritter) Katt.
Cactaceae Syst. Init. 12: 14. 2001
Synonymy: 7
- Eriosyce curvispina subs. armata (F.Ritter) Katt.
- Eriosyce curvispina var. armata (F.Ritter) Katt.
- Horridocactus armatus (F.Ritter) Backeb.
- Neoporteria armata (F.Ritter) Krainz
- Neoporteria horrida var. armata (F.Ritter) A.E.Hoffm.
- Neoporteria tuberisulcata var. armata (F.Ritter) Donald & G.D.Rowley
- Pyrrhocactus armatus F.Ritter
Eriosyce curvispina var. limariensis (F.Ritter) A.E.Hoffm. & Helmut Walter
Cact. Fl. Silvestre Chile ed. 2 208. 2004 [Dec 2004]
Synonymy: 14
- Eriosyce curvispina var. limariensis (F.Ritter) A.E.Hoffm. & Helmut Walter
- Eriosyce limariensis (F.Ritter) Katt.
- Neoporteria horrida var. limariensis (F.Ritter) A.E.Hoffm.
- Neoporteria limariensis (F.Ritter) Ferryman
- Pyrrhocactus limariensis F.Ritter
- Pyrrhocactus nigricans (Linke) F.Ritter
- Chilenia nigricans (Linke) Backeb.
- Echinopsis nigricans Linke in K.Koch
- Hildmannia nigricans (A.Dietr. ex K.Schum.) Kreuz. & Buining
- Horridocactus nigricans (A.Dietr. ex K.Schum.) Backeb. & Dölz
- Neochilenia nigricans (Linke) Y.Itô
- Neoporteria nigricans (Linke) Britton & Rose
- Neoporteria tuberisulcata var. nigricans (Linke) Donald & G.D.Rowley
- Nichelia nigricans (Linke) Bullock
Eriosyce curvispina subs. marksiana (F.Ritter) Ferryman
Cact. Fl. Silvestre Chile ed. 2 214. 2004 [Dec 2004]
Synonymy: 20
- Eriosyce curvispina subs. marksiana (F.Ritter) Ferryman
- Eriosyce marksiana (F.Ritter) Katt.
- Horridocactus marksianus (F.Ritter) Backeb.
- Horridocactus marksianus var. tunensis (F.Ritter) Backeb.
- Neoporteria curvispina var. marksiana (F.Ritter) A.E.Hoffm.
- Neoporteria marksiana (F.Ritter) Donald & G.D.Rowley
- Neoporteria marksiana var. tunensis (F.Ritter) Donald & G.D.Rowley
- Neoporteria marksianus (F.Ritter) Donald & G.D.Rowley
- Pyrrhocactus marksianus F.Ritter
- Pyrrhocactus marksianus var. tunensis F.Ritter
- Eriosyce marksiana var. gracilis (F.Ritter) Katt.
- Eriosyce lissocarpus var. gracilis F.Ritter
- Horridocactus lissocarpus var. gracilis (F.Ritter) Backeb.
- Neoporteria curvispina f. gracilis (F.Ritter) Donald & G.D.Rowley
- Pyrrhocactus lissocarpus var. gracilis F.Ritter
- Eriosyce marksiana var. lissocarpa (F.Ritter) Katt.
- Eriosyce curvispina var. lissocarpa (F.Ritter) A.E.Hoffm. & Helmut Walter
- Horridocactus lissocarpus (F.Ritter) Backeb.
- Neoporteria curvispina f. lissocarpa (F.Ritter) Donald & G.D.Rowley
- Pyrrhocactus lissocarpus F.Ritter
Eriosyce curvispina var. mutabilis (F.Ritter) Katt.
Eriosyce (Cactac.) gen. revis. & ampl. (Succ. Pl. Res., 1) 117 (1994)
Synonymy: 7
- Eriosyce curvispina var. mutabilis (F.Ritter) Katt.
- Pyrrhocactus horridus var. mutabilis F.Ritter
- Pyrrhocactus horridus var. minor F.Ritter
- Pyrrhocactus odoriflorus F.Ritter
- Neochilenia odoriflora (F.Ritter) Backeb.
- Neoporteria horrida var. odoriflora (F.Ritter) A.E.Hoffm.
- Neoporteria odoriflora (F.Ritter) Backeb.
Eriosyce curvispina var. robusta (F.Ritter) Katt.
Eriosyce (Cactac.) gen. revis. & ampl. (Succ. Pl. Res., 1) 117 (1994)
Synonymy: 16
- Eriosyce curvispina var. robusta (F.Ritter) Katt.
- Eriosyce robusta hort.
- Horridocactus andicola var. robustus F.Ritter
- Horridocactus robustus (F.Ritter) Y.Itô
- Neochilenia robusta (F.Ritter) Backeb.
- Neoporteria curvispina var. andicola f. robusta
- Neoporteria curvispina f. robusta (F.Ritter) Donald & G.D.Rowley
- Neoporteria tuberisulcata var. robusta (F.Ritter) Donald & G.D.Rowley
- Pyrrhocactus andicola var. robustus (F.Ritter) F.Ritter
- Pyrrhocactus horridus var. robustus (F.Ritter) F.Ritter
- Pyrrhocactus robustus F.Ritter
- Eriosyce curvispina var. vegasana (F.Ritter)
- Neochilenia robusta var. vegasana (F.Ritter) Backeb.
- Neoporteria tuberisulcata var. vegasana (F.Ritter) Donald & G.D.Rowley
- Pyrrhocactus robustus var. vegasanus F.Ritter
- Eriosyce robusta var. cabildensis hort.
Eriosyce curvispina subs. tuberisulcata (Jacobi) Katt.
Cactaceae Syst. Init. 12: 14. 2001
Synonymy: 9
- Eriosyce curvispina subs. tuberisulcata (Jacobi) Katt.
- Echinocactus tuberisulcatus Jacobi
- Eriosyce curvispina var. tuberisulcata (Jacobi) Katt.
- Horridocactus tuberisulcatus (Jacobi) Y.Itô
- Malacocarpus tuberisulcatus (Jacobi) Britton & Rose
- Neoporteria tuberisulcata (Jacobi) Donald & G.D.Rowley
- Pyrrhocactus tuberisulcatus A.Berger
- Eriosyce curvispina var. tuberisulcata f. minor (F.Ritter & Y.Itô)
- Horridocactus tuberisulatus var. minor F.Ritter & Y.Itô
Description: Eriosyce curvispinaSN|2434]]SN|2434]] var. mutabilis (Ritter) Kattermann (firstly described as Pyrrhocactus horridus var. mutabilisSN|2466]]SN|2466]] F.Ritter by Ritter in 1980) is a local or morphological form of the widespread and variable Eriosyce curvispinaSN|2434]]SN|2434]]. It forms clusters and has ribs divided into tubercles, outwards directed spines and yellow flowers. However the distinguishing characteristics of Eriosyce curvispinaSN|2434]]SN|2434]] var. mutabilis, appear to fall within the natural variation of Eriosyce curvispinaSN|2434]]SN|2434]] and it should be synonymized with the latter.
Stems: Frequently branching from basal areoles and forming little plantlets.
Spines: Strong, sharp-tipped, horn-coloured.
Flowers: Yellow with variable reddish midstripes.
Seed: 0.94-1.23 mm long 1-1.09 mm wide, ribbed, brown.
Subspecies, varieties, forms and cultivars of plants belonging to the Eriosyce curvispina group
- Eriosyce curvispina (Bertero ex Colla) Katt.: (var. curvispina) stem solitary with strongly curved spines more than 20 mm long. Flowers to 5,5 cm in diameter. Distribution: widespread throughout the range of the species.
- Eriosyce curvispina var. aconcaguensis (F.Ritter) Katt.: always solitary with strongly curved spines and pure yellow flowers. Stem 4,5 cm in diameter. Distribution: Cuesta Las Chacras, north of Llaillay.
- Eriosyce curvispina subs. armata (F.Ritter) Katt.: is similar to variety aconcaguensis differs only for the yellow flowers with deep red midveins. Distribution: south and west of Santiago.
- Eriosyce curvispina var. choapensis (F.Ritter) Katt.: has shor but strongly curved spines only 10-15 mm long. Distribution: Valley of the Rio Choapa.
- Eriosyce curvispina var. mutabilis (F.Ritter) Katt.: forms clusters. Distribution: endemic Punto Pichidangui.
- Eriosyce curvispina var. robusta (F.Ritter) Katt.: stem solitary. Flowers have much elongated pericarpels. Distribution: Ocoa.
- Eriosyce curvispina subs. tuberisulcata (Jacobi) Katt.: has straight, very robust spines and nearly red flowers. Distribution: Laguna Verde and adjacent areas, South of Valparaiso, Chile.
- Eriosyce robusta var. cabildensis hort.: has robust tan-brown spines. Distribution: Cabildo, Chile.
- Pyrrhocactus andicola (F.Ritter) F.Ritter: has long thin and very dense white, yellowish spines. Distribution: Cerro Chivato (between Santiago and
Los Andes) - Pyrrhocactus curvispinus var. combarbalensis F.Ritter: has very pruinose stems (like some copiapoas). Distribution: West of Combarbalá
- Pyrrhocactus curvispinus var. santiagoensis: not dissimilar to var. curvispina. Distribution: Aconcagua valley, East of Santiago.
- Pyrrhocactus horridus (J.Rémy ex Gay) Backeb.
- Pyrrhocactus pamaensis F.Ritter: has dark purple-black stems with brownish-black or dull grey spine. Distribution: Below Combarbalá, , Ovalle East and North-East, Coquimbo, Chile
Bibliography: Major references and further lectures
1) Fred Kattermann “Eriosyce (Cactaceae): The Genus Revised and Amplified” David Hunt, 1994
2) Pablo C. Guerrero, Pedro León-Lobos & Francisco A. Squeo. Ficha de antecedentes de especie “Eriosyce curvispina” Retrieved 06 January 2016 from: <http://www.mma.gob.cl/clasificacionespecies/fichas6proceso/fichas2010/Eriosycecurvispina_P06R3_RCE.pdf>
3) BELMONTE E, L FAÚNDEZ, J FLORES, A HOFFMANN, M MUÑO Z & S TEILLIER “Categorías de conservación de las cactáceas nativas de Chile.” Boletín del Museo Nacional de Historia Natural 47: 69-89. 1998
4) HOFFMANN AE & AR FLORES “The conservation status of Chilean succulent plants: a preliminary assessment.” In: Red List of Chilean Terrestrial Flora (Benoit I
Ed). Pp 107-121. Corporación Nacional Forestal, Santiago, Chile. 1989
5) HOFFMANN AE & HE WALTER “Cactáceas en la flora silvestre de Chile.”
2nd Edición. Fundación Claudio Gay, Santiago, Chile. 2004
6) HUNT D, N TAYLOR & G CHARLES (Eds) “The new cactus Lexicon.” Vol. 1-2
DH books, Milborn Port, UK. 2006
7) KATTERMANN F, JM LÜTHY, RS WALLACE, D HUNT, N TAYLO R & D ZAPPI “Eriosyce (Cactaceae): The genus revised and amplified.” (1994) Hunt D & N Taylor (Eds). Succulent Plant Research Volume 1. David Hunt Press. Surrey, England.
8) LUEBERT F & P PLISCOFF “Sinopsis bioclimática y vegetacional de Chile.” Editorial Universitaria, Santiago. 2006
Pyrrhocactus horridus var. mutabilis (Eriosyce curvispina var. mutabilis) Photo by: Carolina González
Pyrrhocactus horridus var. mutabilis (Eriosyce curvispina var. mutabilis) Photo by: Carolina González
Cultivation and Propagation: Eriosyce curvispinaSN|2434]]SN|2434]] var. mutabilis is an extremely xerophytic, summer-growing, species, adapted to very dry soils. Despite its provenance it is not particularly difficult to cultivate, but quite susceptible to over-waterings and rot prone if kept in a non-ventilated place.
Growth rate: Slow-growing.
Soil: It requires a very fast draining drying open mineral, sandy-gritty cactus compostso. Provide a very good drainage.
Exposure: It is suited for sunny-brightly exposure, but can tolerate light shade. However it will do its best only with lots of sun and become stressed with inadequate light which could result in poor growth and unnatural shape. It has a good heat tolerance.
Watering: Water regularly in summer, but do not over-water and keep it completely dry during winter. Mature individuals easily rot and die especially after transplanting so be extremely cautious with watering. Keep dry in winter or when night temperatures remain below 10° C. Water it less than average if in bigger pots.
Fertilization: Feed them once during the growing season with a fertilizer specifically formulated for cactus and succulents (high potash fertilizer with a dilute low nitrogen), including all micro nutrients and trace elements diluted to ½ the strength recommended on the label. They thrive in poor soils and need a limited supplies of fertilizer to avoid the plants developing excess vegetation, which is easily attacked by fungal diseases.
Special need: It is suited for airy exposures. Provide very good ventilation. Nearly all problems occur as a result of overwatering and poor ventilation, especially when weather conditions are dull and cool or very humid. They must have very dry atmosphere.
Hardiness: It likes warmth (recommended minimum winter temperature 5° C), but Hardy to at least -5°C (it can probably tolerate freezing temperatures down to -10° C for brief periods) It has a good heat tolerance.
Pests & diseases: These cacti may be attractive to a variety of insects, but plants in good condition should be nearly pest-free, particularly if they are grown in a mineral potting-mix, with good exposure and ventilation. Nonetheless, there are several pests to watch for.
- Red spiders: Red spiders may be effectively rubbed up by misting the plants from above.
- Mealy bugs: Mealy bugs occasionally develop aerial into the new leaves and flowers with disfiguring results, but the worst types develop underground on the roots and are invisible except by their effects.
- Scales, thrips and aphids: These insects are rarely a problem.
- Rot: Rot is only a minor problem if the plants are watered and “aired” correctly. If they are not, fungicides won't help all that much.
Propagation: Usually propagated from seeds or graft. The seeds can be sown in pots of fine, well-drained sandy soil, any time during the spring when temperatures are warm. Cover the seeds with a fine layer of grit and water from below with a fungicide to prevent damping off. For the 1-2 weeks cover the pots with a sheet of glass/clear perspex to keep the humidity levels high. Remove the glass and replace it with light shade-cloth and mist once or twice a day for the next two weeks after which most seeds should have germinated. From then on mistings can be reduced to every second and then every third day as the little plants grow. The seedlings should not be disturbed until they are well rooted after which they can be planted separately in small pots. Sometimes it is grafted to avoid root rot problems as plants grafted on an hardy stock are easy to grow and no special skill is required.
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