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Acharagma roseanum

Acharagma roseanum


Succulentopedia

Acharagma roseanum

Acharagma roseanum, also known as Acharagma roseana, is a small, solitary or clump-forming cactus with globular stems that are up to 2.4 inches (6 cm)…


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Also sold as:
Acharagma roseana

General Plant Information (Edit)
Plant Habit: Cactus/Succulent
Life cycle: Perennial
Minimum cold hardiness: Zone 9a -6.7 °C (20 °F) to -3.9 °C (25 °F)
Fruit: Indehiscent
Suitable Locations: Xeriscapic
Uses: Will Naturalize
Resistances: Drought tolerant
Containers: Needs excellent drainage in pots
Miscellaneous: With thorns/spines/prickles/teeth

Small, usually solitary, spiny cactus with tubercles from Coahuila and Nuevo León, Mexico. Flowers appear at the stem tips and are cream or pink with midvein highlights. Central spines are yellow and may be somewhat curved.

This genus contains 2 species from the Chihuahuan Desert of northern Mexico with yellow, cream, or pink flowers. A. aguirreanum is found in Coahuila and A. roseanum is from Coahuila (subsp. roseanum) or Nuevo León (subsp. galeanense). The genus is neuter gender because the Greek root is neuter, but various sources erroneously display female (-a) endings for the species names. These plants have been formerly placed in Echinocactus, Gymnocactus, and Escobaria, but were assigned their own genus in 1998. The genus name means "no groove" and refers to the lack of areolar furrows on the tubercles (which in part justifies the separation from Escobaria).


Acharagma roseanum - garden

Origin and Habitat: Mexico: mountains of south-eastern Coahuila and adjacent Nuevo León (extent of occurrence less than 6 km²).
Altitude: It grows at elevations between 1100 and 2100 metres above sea level.
Habitat and Ecology: It grows on rocky limestone hills in xerophytic shrubland together with Mammillaria carretii, Mammillaria candida v. estanzuelensis, Astrophytum capricorne, Echinocereus conglomeratus, Echinocereus stramineus, Opuntia microdasys and Yucca thompsoniana. This species is severely fragmented (the subsp. galeanense is very disjunct) and there is continuing decline in the quality of the habitat due to overgrazing by goats.

  • Acharagma roseanum (Boed.) E.F.Anderson
    • Coryphantha roseana (Boed.) R.Moran
    • Echinocactus roseanus Boed.
    • Escobaria roseana (Boed.) Buxb.
    • Gymnocactus roseanus (Boed.) Glass & R.A.Foster
    • Neolloydia roseana (Boed.) F.M.Knuth in Backeb. & F.M.Knuth
    • Thelocactus roseanus (Boed.) Borg

Description: Acharagma roseanum, often misspelled: "roseana" is a small clumping plant with bronze-rose coloured flowers at the stem tips. Two subspecies are recognized, the nominate form and subsp. galeanense (Haugg) D.R.Hunt.
Note: Acharagma is a genus formed by only two small species of cacti: Acharagma roseana and Acharagma aguirreana from northern Mexico. This plants previously classificated as Escobaria are instead related to Pediocactus and Lophophora, DNA sequence clearly support the hypothesis that Acharagma is a distinct ‘good’ genus not closely related to Escobaria.
Habit: Small, soft bodied cacti. They are usually solitary but sometimes forming small clusters with age.
Stem: Up to 6 cm tall, up to 5 cm in diameter.
Ribs: The ribs have tubercles, with ungrooved areoles.
Spines: 4 to 6 central spines 15 to 30 radials whitish-yellow to rich gold coloured.
Roots: Thick tap root.
Flowers: The flowers are at the stem tips, and range from pink with bronze-rose coloured midveins to cream-yellowish, 2 cm in diameter.

Subspecies, varieties, forms and cultivars of plants belonging to the Acharagma roseanum group

  • Acharagma roseanum" href='/Encyclopedia/CACTI/Family/Cactaceae/91/Acharagma_roseanum'> Acharagma roseanum (Boed.) E.F.Anderson : has tiny, soft egg-shaped stems from a thick tap root and will slowly form small clusters with dense golden spines. Flowers are cream to pink with bronze-rose midveins.
  • Acharagma roseanum subs. galeanense" href='/Encyclopedia/CACTI/Family/Cactaceae/98/Acharagma_roseanum_subs._galeanense'> Acharagma roseanum subs. galeanense D.R.Hunt : has cylindrical stems up to 6 centimetres tall, with central spines almost indistinguishable from the radials. Spines total 30. Distribution: Galeana, Nuevo Leon, Mexico.

Bibliography: Major references and further lectures
1) Edward Anderson “The Cactus family” Timber Press, Incorporated, 2001
2) Nathaniel Lord Britton, Joseph Nelson Rose “Cactaceae: Descriptions and Illustrations of Plants of the Cactus Family” vol. 4 The Carnegie Institution of Washington, Washington 1923
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) Fitz Maurice, B, Sotomayor, M., Fitz Maurice, W.A., Hernández, H.M. & Smith, M. 2013. Acharagma roseanum. In: IUCN 2013. "IUCN Red List of Threatened Species." Version 2013.2. . Downloaded on 20 February 2014.


Acharagma roseanum Photo by: Valentino Vallicelli
Acharagma roseanum Photo by: Valentino Vallicelli
A. roseana SB277 Los Imagines, Saltillo, Coah. Mx. Photo by: Cactus Art
Acharagma roseanum Photo by: Cactus Art

Acharagma roseanum - garden

Origin and Habitat: Galeana, Nuevo León, Mexico. Acharagma roseanum subsp. galeanense is a range restricted subspecies, it habitar is very disjunct from the habitat of subsp. roseanum.
Habitat and Ecology: It grows on rocky limestone hills in xerophytic shrubland. Overgrazing of the habitat by goats is the only threat.

Description: Acharagma roseanum subsp. galeanense is a small clustering cactus with many crowded finger-like stems up to 6-10 centimetres tall, concealed by yellowish-white or rich gold spines (central spines almost indistinguishable from the radials). The flowers are cream-yellow, up to 1.5 centimetres in length and appears at the stem tip.
Derivation of specific name: 'galeanensis' For the occurrence near Galeana, Nuevo León, Mexico.
Habit: Mat-forming. Established plants can reach a height of 15 cm and width of 30 cm.
Stem: Pale green, cylindrical, initially erect that became prostrate up to 10 cm tall, 2-2,5 cm in diameter.
Ribs: The ribs have tubercles, with ungrooved areole.
Spines: About 30 not easily distinguished as centrals end radials, pale yellow, rich gold to dark amber coloured.
Flowers: Yellow at the stem tips, small 1 to 2 cm in diameter.

Subspecies, varieties, forms and cultivars of plants belonging to the Acharagma roseanum group

  • Acharagma roseanum" href='/Encyclopedia/CACTI/Family/Cactaceae/91/Acharagma_roseanum'> Acharagma roseanum (Boed.) E.F.Anderson : has tiny, soft egg-shaped stems from a thick tap root and will slowly form small clusters with dense golden spines. Flowers are cream to pink with bronze-rose midveins.
  • Acharagma roseanum subs. galeanense" href='/Encyclopedia/CACTI/Family/Cactaceae/98/Acharagma_roseanum_subs._galeanense'> Acharagma roseanum subs. galeanense D.R.Hunt : has cylindrical stems up to 6 centimetres tall, with central spines almost indistinguishable from the radials. Spines total 30. Distribution: Galeana, Nuevo Leon, Mexico.

Bibliography: Major references and further lectures
1) Edward Anderson “The Cactus family” Timber Press, Incorporated, 2001
2) Nathaniel Lord Britton, Joseph Nelson Rose “Cactaceae: Descriptions and Illustrations of Plants of the Cactus Family” vol. 4 The Carnegie Institution of Washington, Washington 1923
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” Springer Science & Business Media, 29 June 2013
1) Fitz Maurice, B, Sotomayor, M., Fitz Maurice, W.A., Hernández, H.M. & Smith, M. 2013. Acharagma roseanum. The IUCN Red List of Threatened Species 2013: e.T152561A651256. http://dx.doi.org/10.2305/IUCN.UK.2013-1.RLTS.T152561A651256.en. Downloaded on 20 February 2017.
2) D.R. Hunt: “Cactaceae Systematics Initiatives”. Number 14, 2002, page. 7.


Acharagma roseiflora v. galeanensis, growing habit at Galeana, Nuevo Leon, Mexico. Photo by: Amante Darmanin
Acharagma roseanum subs. galeanense Photo by: Cactus Art
Acharagma roseiflora v. galeanensis, growing habit at Galeana, Nuevo Leon, Mexico. Photo by: Amante Darmanin
Acharagma roseanum subs. galeanense Photo by: Valentino Vallicelli

Taxony v herbбшнch

Dne 1. ledna 1958 vstoupilo v platnost v Mezinбrodnнm kуdu botanickй nomenklatury (ICBN) pravidlo, ћe kaћdэ novм popisovanэ taxon musн bэt doloћen (pro ъиely dalљнho studia a pro srovnбnн) konzervovanэm typem. Tнmto typem je rostlina, kterб je vysuљena nebo konzervovбna v lihu a uloћena v mezinбrodnм uznanйm herbбшi.

V souиasnй dobм platн tento Mezinбrodnн kуd botanickй nomenklatury (ICBN), kterэ je dщleћitou pшнruиkou pro botaniky, zabэvajнcнmi se taxonomiн rostlin. Je zбkladnнm dнlem pro sjednocenн zpщsobu prбce botanikщ, kteшн popisujн novй, dosud neznбmй rostliny nebo se zabэvajн revizн taxonomie иi nomenklatury jiћ dшнve popsanэch rostlin.

V pшedloћenй tabulce je uveden seznam taxonщ rodщ Acharagma, Escobaria a Ortegocactus s mнsty a herbбшi, kde byl uloћen typovэ materiбl (vzorky rostlin, kvмtщ, semen a pod.). Seznam je sestaven dle dostupnй literatury a dalљнch zdrojщ a je tedy neъplnэ. Je шazen abecednм dle obecnм pшejнmanйho zaиlenмnн druhщ.


Seznam botanickэch zahrad, herbбшщ a jinэch institucн s uloћenэm herbбшovэm materiбlem rodu Escobaria a vэznamnэmi sbнrkami :

Botanickй zahrady:

Botanische Garten und botanisches Museum, Berlin-Dahlem
Kцnigin-Luise-Strasse 6-8, D-14191 Berlin, BRD

Desert Botanical Garden
1201 North Galvin Parkway, Phoenix, Arizona 85008, U.S.A.

Huntington Botanical Gardens
1151 Oxford Road, San Marino, California 91108, U.S.A.

Jardнn Botбnico del Instituto de Biologнa de Universidad Nacional Autуnoma de Mйxico
Ciudad Universitaria, Apartado Postal 70-614, 04510 Coyoacбn, Mйxico D.F., Mexico

Jardin Exotique de Monaco
Boоte Postale 105, Monte Carlo 98002, Monaco

Rancho Santa Ana Botanic Garden
1500 North College Avenue, Claremont, California 91711, U.S.A.

Royal Botanic Gardens, Kew
Richmond, Surrey TW9 3AE, United Kingdom

Stдdtische Sukkulenten-Sammlung Zьrich
Mythenquai 88, CH-8002 Zьrich, Switzerland

University of California Botanical Garden
200 Centennial Drive, Berkeley, California 94720, U.S.A.

Carnegie Museum of Natural History (CM) - Carnegie Museums of Pittsburgh
4400 Forbes Avenue, Pittsburgh, PA 15213, U.S.A.
www.carnegiemnh.org

The Deaver Herbarium (ASC), Northern Arizona University
Department of Biological Sciences, P.O. Box 5640, Northern Arizona University, Flagstaff, AZ 86011-5640, U.S.A.
http://www4.nau.edu/deaver/

Department of Natural Science Herbarium (SNM), Western New Mexico University
Department of Natural Science, Western New Mexico University, Silver City, 88061 New Mexico, U.S.A.

Harvard University Herbaria - The Gray Herbarium (GH), Harvard University
22 Divinity Avenue, Cambridge, Massachusetts 02138-2020, U.S.A.
www.huh.harvard.edu

Herbaria of Rancho Santa Ana Botanic Garden (RSA) a Pomona Collage (POM), Rancho Santa Ana Botanic Garden
1500 North Collage Avenue, Claremont, California 91711, U.S.A.
www.rsabg.org

Herbario, Departamento de Botбnica, Escuela Nacional de Ciencias Biolуgicas (ENCB)
Instituto Politйcnico Nacional, Apartado Postal 17-564, 11410 Mйxico, D.F., Mexico

Herbario, Instituto de Botбnica Darwinion (SI)
Casilla de Correo 22, 1642 San Isidro, Buenos Aires, Argentina

Herbario, Nacional de Mйxico, Departamento de Botбnica, Instituto de Biologia, Universidad Nacional Autуnoma de Mйxico (MEXU)
Apartado Postal 70-233, 04510 Mйxico, D.F., Mexico

Herbario, Secciуn Botбnica, Museo Nacional de Historia Natural (SGO)
Casilla 787, Santiago, Chile

Herbarium, Biology Department, Sul Ross State University (SRSC)
Alpine, Texas 79832, U.S.A.

Herbarium, Botanische Garten und Botanisches Museum Berlin-Dahlem (B)
Kцnigin-Luise-Strasse 6-8, D-14191 Berlin, BRD

Herbarium, Botany Department (CAS), a Dudley Herbarium of Stanford University (DS), California Academy of Sciencis
Golden Gate Park, San Francisco, California 94118, U.S.A.

Herbarium, Department of Botany, Arizona State University (ASU)
Tempe, Arizona 85287, U.S.A.

Herbarium, Institute of Botany and Botanical Garden, University of Vienna (WU)
Rennweg 14, A-1030 Vienna, Austria
http://herbarium.univie.ac.at/

Herbarium, Laboratory for Environmental Biology, University of Texas at El Paso (UTEP)
El Paso, Texas 79968, U.S.A.

Herbarium, Missouri Botanical Garden (MO)
4344 Shaw Boulevard, Post Office Box 299, St. Louis, Missouri 63166, U.S.A.

Herbarium, New York Botanical Garden (NY)
200th Street and Southern Boulevard, Bronx, New York, 10458, U.S.A.

Herbarium, Royal Botanic Garden, Kew (K)
Richmond, Surrey TW9 3AE, United Kingdom

Herbarium, San Diego Natural History Museum (SD), Balboa Park
Post Office Box 1390, San Diego, California 92112, U.S.A.

Herbarium, Museum of Southwestern Biology, The University of New Mexico (UNM)
Albuquerque, NM 87131-1091, U.S.A.
www.msb.unm.edu/herbarium/

Institut fьr Allgemeine Botanik, Department Biologie, Universitдt Hamburg (HBG)
Hamburg, BRD

International Organization for Succulent Plant Study-Affiliated Reserve Collection and Herbarium (ZSS)
Stдdtische Sukkulenten-Sammlung Zьrich, Mythenquai 88, CH-8002 Zьrich, Switzerland

Lois Porter Earle Herbarium, Desert Botanical Garden (DES)
1201 North Galvin Parkway, Phoenix, Arizona 85008, U.S.A.

San Juan College Herbarium (SJNM)
San Juan College, 4601 College Boulevard, Farmington, New Mexico 87402, U.S.A.

Typovб sbнrka Botanickйho oddмlenн Nбrodnнho muzea v Prщhonicнch u Prahy (PR)
Prщhonice u Prahy, Иeskб republika


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