Details Top

Internal ID UUID6440199c19524221710359
Scientific name Encephalartos altensteinii
Authority Lehm.
First published in Nov. Stirp. Pug. 6: 11 (1834)

Ethnobotanical Use Top

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Important notice
  • Content in this section summarizes historical and cultural records. It is not medical advice.
  • Do not use plants for self-treatment. Safety, efficacy, and appropriate use are not established here.
  • Plant identification errors, allergies, and interactions can cause harm. Consult qualified professionals for health questions.
  • Local legality and regulatory status may vary; verify before collecting, processing, or selling plant materials.

Unfortunately, no reliable ethnobotanical sources document traditional medicinal or culinary preparations (such as teas, tinctures, decoctions, macerations, or poultices) for *Encephalartos altensteinii*. While cycads in general have complex histories of use elsewhere (often requiring extensive detoxification), specific verifiable information for this taxon is lacking.

General Uses Top

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Common products:
Encephalartos altensteinii is cultivated primarily as an ornamental cycad. Mature plants produce a stout, columnar trunk that can reach 1–2 m after several decades, topped by a rosette of glossy, pinnate leaves up to 1.5–2 m long. The evergreen habit, architectural form, and tolerance to drought and moderate frost make it suitable for subtropical to warm‑temperate gardens, public botanical collections, and large indoor containers. In horticultural trade the species is marketed as a specimen plant for xeriscaping, shade gardens, and as a feature in cycad collections. Propagation for commercial sales is achieved mainly through seed germination and the removal of offshoots (pups) from mature specimens.

Properties relevant to use:
- Morphology: thick woody trunk and long, stiff leaves provide visual impact and structural stability.
- Physiology: high drought tolerance due to water‑conserving leaf architecture; can survive brief sub‑zero temperatures, allowing use in areas with light frost.
- Growth habit: very slow growth and longevity (plants can live >100 yr) reduce the need for frequent replacement.
- Adaptation: performs well in well‑drained soils and tolerates a range of light conditions from full sun to partial shade, facilitating flexible landscaping placements.

Standards and regulation:
All Encephalartos species, including E. altensteinii, are listed in CITES Appendix II, which requires export and import permits for international trade. In South Africa the National Biodiversity Management Plan for cycads mandates permits for wild collection of plants or seeds. Commercial nurseries must source material from legally compliant, cultivated stock and retain documentation of origin.

Sustainability and sourcing:
The majority of plants entering the ornamental market are produced in licensed nurseries from seed or vegetative propagules, thereby limiting pressure on wild populations. Sustainable practices include controlled seed collection, germination under controlled conditions, and the propagation of pups, which can be harvested without destroying the mother plant. Reintroduction programs have released cultivated seedlings into protected areas, but commercial trade remains dependent on cultivated material to meet CITES requirements.

Synonyms Top

Scientific name Authority First published in
Zamia vroomani hort. ex Gentil Pl. Cult. Serres Jard. Bot. Brux. : 194 (1907)
Zamia altensteinii Heynh. Nom. Bot. Hort. : 862 (1841)
Zamia katzeri Regel ex J.Schust. Pflanzenr. , IV, 1: 112 (1932)
Zamia glabra hort. ex J.Schust. Pflanzenr. , IV, 1: 112 (1932)
Zamia spinosa Lodd. Cat. n. 168; ex Miq. in Linnaea, xvii. (1843) 721.
Encephalartos altensteinii var. angustifolius Miq. Monogr. Cycad. 52. 1842
Encephalartos altensteinii var. distans Regel Trudy Imp. S.-Peterburgsk. Bot. Sada 3(1): 114. 1874
Encephalartos altensteinii var. eriocephalus de Vriese Ned. Kruidk. Arch. 1: 171. 1846
Encephalartos altensteinii var. macrophyllus Regel Gartenflora 24: 41. 1875
Encephalartos altensteinii var. parvifolius Regel Trudy Imp. S.-Peterburgsk. Bot. Sada 3(1): 114. 1874
Encephalartos altensteinii var. semidentatus Miq. Monogr. Cycad. 52. 1842
Encephalartos altensteinii var. spinosior Regel Gartenflora 24: 40. 1875
Encephalartos marumii de Vriese Tijdschr. Natuurl. Gesch. Physiol. 5: 187 (1839)
Encephalartos regalis W.Bull Nursery Cat. (William Bull) 1889: 4 (1889)
Zamia vernicosa auct. Gard. Chron. 1868: 349 1868
Encephalartos vroomii Mast. Gard. Chron. n.s., 25: 349 (1868)
Encephalartos altensteinii var. grandis Regel Gartenflora 24: 40. 1875
Encephalartos longifolius var. hookeri Miq. Prodr. [A. P. de Candolle] 16(2): 531-532 1868

Common names Top

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Language Common/alternative name
English bushman's river cycad
English eastern cape cycad
English eastern cape giant cycad
English breadtree
Spanish cica espinosa
Afrikaans kafferbroodboom
Afrikaans oos-kaapse broodboom
Afrikaans oos-kaapse reusebroodboom
Afrikaans kafferbrood
Czech píchoš altensteinův
Persian سرخس نخلی نان
Russian Энцефаляртос Альтенштейна
xh umguza
xh umphanga
xh isundu
Chinese 面包非洲铁
Chinese 面包非洲鐵

Subspecies (abbr. subsp./ssp.) Top

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Varieties (abbr. var.) Top

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Subvarieties (abbr. subvar.) Top

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Forms (abbr. f.) Top

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Germination/Propagation Top

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No germination or propagation data was added yet.

Distribution (via POWO/KEW) Top

Legend for the distribution data:
- Doubtful data
- Extinct
- Introduced
- Native

Links to other databases Top

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Database ID/link to page
World Flora Online wfo-0000667332
Tropicos 9600014
KEW urn:lsid:ipni.org:names:297067-1
The Plant List kew-2788579
Missouri Botanical Garden 279644
Open Tree Of Life 616643
NCBI Taxonomy 3300
IUCN Red List 41908
IPNI 297067-1
iNaturalist 136096
GBIF 2683722
Freebase /m/0fq37s1
EPPO ECFAL
EOL 630828
USDA GRIN 319384
Wikipedia Encephalartos_altensteinii
CMAUP NPO15216

Genomes (via NCBI) Top

No reference genome is available on NCBI yet. We are constantly monitoring for new data.

Scientific Literature Top

Below are displayed the latest 15 articles published in PMC (PubMed Central®) and other sources (DOI number only)!
If you wish to see all the related articles click here.
Title Authors Publication Released IDs
Dieback and decline pathogens of olive trees in South Africa Spies CF, Mostert L, Carlucci A, Moyo P, van Jaarsveld WJ, du Plessis IL, van Dyk M, Halleen F Persoonia 29-Oct-2020
PMCID:PMC8375345
doi:10.3767/persoonia.2020.45.08
PMID:34456377
New species of Phaeomoniellales from a German vineyard and their potential threat to grapevine (Vitis vinifera) health Kraus C, Damm U, Bien S, Voegele RT, Fischer M Fungal Syst Evol 29-Apr-2020
PMCID:PMC7452154
doi:10.3114/fuse.2020.06.08
PMID:32904175
Comparative Biology of Cycad Pollen, Seed and Tissue - A Plant Conservation Perspective Nadarajan J, Benson EE, Xaba P, Harding K, Lindstrom A, Donaldson J, Seal CE, Kamoga D, Agoo EM, Li N, King E, Pritchard HW Bot Rev 05-Jul-2018
PMCID:PMC6105234
doi:10.1007/s12229-018-9203-z
PMID:30174336
Gymnosperms on the EDGE Forest F, Moat J, Baloch E, Brummitt NA, Bachman SP, Ickert-Bond S, Hollingsworth PM, Liston A, Little DP, Mathews S, Rai H, Rydin C, Stevenson DW, Thomas P, Buerki S Sci Rep 16-Apr-2018
PMCID:PMC5902588
doi:10.1038/s41598-018-24365-4
PMID:29662101
Genomic Analyses of Cladophialophora bantiana, a Major Cause of Cerebral Phaeohyphomycosis Provides Insight into Its Lifestyle, Virulence and Adaption in Host Kuan CS, Cham CY, Singh G, Yew SM, Tan YC, Chong PS, Toh YF, Atiya N, Na SL, Lee KW, Hoh CC, Yee WY, Ng KP PLoS One 29-Aug-2016
PMCID:PMC5003357
doi:10.1371/journal.pone.0161008
PMID:27570972
Fungal Planet description sheets: 320–370 Crous PW, Wingfield MJ, Guarro J, Hernández-Restrepo M, Sutton DA, Acharya K, Barber PA, Boekhout T, Dimitrov RA, Dueñas M, Dutta AK, Gené J, Gouliamova DE, Groenewald M, Lombard L, Morozova OV, Sarkar J, Smith MT, Stchigel AM, Wiederhold NP, Alexandrova AV, Antelmi I, Armengol J, Barnes I, Cano-Lira JF, Castañeda Ruiz RF, Contu M, Courtecuisse PR, da Silveira AL, Decock CA, de Goes A, Edathodu J, Ercole E, Firmino AC, Fourie A, Fournier J, Furtado EL, Geering AD, Gershenzon J, Giraldo A, Gramaje D, Hammerbacher A, He XL, Haryadi D, Khemmuk W, Kovalenko AE, Krawczynski R, Laich F, Lechat C, Lopes UP, Madrid H, Malysheva EF, Marín-Felix Y, Martín MP, Mostert L, Nigro F, Pereira OL, Picillo B, Pinho DB, Popov ES, Rodas Peláez CA, Rooney-Latham S, Sandoval-Denis M, Shivas RG, Silva V, Stoilova-Disheva MM, Telleria MT, Ullah C, Unsicker SB, van der Merwe NA, Vizzini A, Wagner HG, Wong PT, Wood AR, Groenewald JZ Persoonia 10-Jun-2015
PMCID:PMC4510277
doi:10.3767/003158515X688433
PMID:26240451
Introducing the Consolidated Species Concept to resolve species in the Teratosphaeriaceae Quaedvlieg W, Binder M, Groenewald JZ, Summerell BA, Carnegie AJ, Burgess TI, Crous PW Persoonia 15-May-2014
PMCID:PMC4312929
doi:10.3767/003158514X681981
PMID:25737591
Cloning and Functional Characterization of a Gene for Capsanthin-Capsorubin Synthase from Tiger Lily (Lilium lancifolium Thunb. ‘Splendens’) Jeknić Z, Morré JT, Jeknić S, Jevremović S, Subotić A, Chen TH Plant Cell Physiol 24-Sep-2012
PMCID:PMC3494009
doi:10.1093/pcp/pcs128
PMID:23008421
Foliicolous microfungi occurring on Encephalartos Crous PW, Wood AR, Okada G, Groenewald JZ Persoonia 22-Oct-2008
PMCID:PMC2846130
doi:10.3767/003158508X380612
PMID:20396583
Floral benzenoid carboxyl methyltransferases: From in vitro to in planta function Effmert U, Saschenbrecker S, Ross J, Negre F, Fraser CM, Noel JP, Dudareva N, Piechulla B Phytochemistry 01-Jun-2005
PMCID:PMC2864587
doi:10.1016/j.phytochem.2005.03.031
PMID:15946712

Phytochemical Profile Top

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Below are displayed the proven (via scientific papers) natural compounds!
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Name PubChem ID Canonical SMILES MW Found in Proof
> Lipids and lipid-like molecules / Fatty Acyls / Fatty acids and conjugates / Long-chain fatty acids
Himeic Acid A 11774903 Click to see 435.50 unknown via CMAUP database
himeic acid B 21579676 Click to see 321.40 unknown via CMAUP database
himeic acid C 21777983 Click to see 434.50 unknown via CMAUP database
> Lipids and lipid-like molecules / Fatty Acyls / Fatty amides / N-acyl amines
Hexadecanoic Acid Propylamide 10379895 Click to see 297.50 unknown via CMAUP database
> Lipids and lipid-like molecules / Prenol lipids / Diterpenoids
Alloxanthin 6443740 Click to see 564.80 unknown via CMAUP database
> Lipids and lipid-like molecules / Prenol lipids / Tetraterpenoids / Carotenoids / Carotenes
Beta-Carotene 5280489 Click to see 536.90 unknown via CMAUP database
> Lipids and lipid-like molecules / Prenol lipids / Triterpenoids
(1R)-3,5,5-trimethyl-4-[(3E,5E,7E,9E,11E,13E,15E,17E)-3,7,12,16-tetramethyl-18-[(1R)-2,6,6-trimethylcyclohex-2-en-1-yl]octadeca-3,5,7,9,11,13,15,17-octaen-1-ynyl]cyclohex-3-en-1-ol 101289802 Click to see CC1=C(C(CC(C1)O)(C)C)C#CC(=CC=CC(=CC=CC=C(C)C=CC=C(C)C=CC2C(=CCCC2(C)C)C)C)C 550.90 unknown via CMAUP database
(2Z,4E,6E,8E,10E,12E,14E,16E)-3-Hydroxy-19-((4R)-4-hydroxy-2,6,6-trimethyl-1-cyclohexen-1-yl)-1-((1R,4S)-4-hydroxy-1,2,2-trimethylcyclopentyl)-4,8,13,17-tetramethyl-2,4,6,8,10,12,14,16-nonadecaoctaen-18-yn-1-one 11365423 Click to see 598.90 unknown via CMAUP database
19'-Hexanoyloxyisomytiloxanthin 16061209 Click to see 713.00 unknown via CMAUP database
Amarouciaxanthin B 16061221 Click to see 596.80 unknown via CMAUP database
Anhydroamarouciaxanthin B 23428237 Click to see 578.80 unknown via CMAUP database
cis-(4R,5R)-4-hydroxy-4-[(3E,5E,7E,9E,11E,13E,15E)-18-[(4R)-4-hydroxy-2,6,6-trimethylcyclohexen-1-yl]-3,7,12,16-tetramethyl-2-oxooctadeca-3,5,7,9,11,13,15-heptaen-17-ynyl]-3,3,5-trimethylcyclohexan-1-one 23428074 Click to see 598.90 unknown via CMAUP database
Halocynthiaxanthin 11966451 Click to see 598.90 unknown via CMAUP database
NV766Twa77 102146782 Click to see 600.90 unknown via CMAUP database
Pectenol A/(Pectenol) 16061215 Click to see CC1=C(C(CC(C1)O)(C)C)C#CC(=CC=CC(=CC=CC=C(C)C=CC=C(C)C=CC2=C(C(C(CC2(C)C)O)O)C)C)C 582.90 unknown via CMAUP database
> Lipids and lipid-like molecules / Steroids and steroid derivatives / Cholestane steroids / Cholesterols and derivatives
7-Dehydrocholesterol 439423 Click to see 384.60 unknown via CMAUP database
> Lipids and lipid-like molecules / Steroids and steroid derivatives / Ergostane steroids / Ergosterols and derivatives
Brassicasterol 5281327 Click to see CC(C)C(C)C=CC(C)C1CCC2C1(CCC3C2CC=C4C3(CCC(C4)O)C)C 398.70 unknown via CMAUP database
Ergosterol 444679 Click to see CC(C)C(C)C=CC(C)C1CCC2C1(CCC3C2=CC=C4C3(CCC(C4)O)C)C 396.60 unknown via CMAUP database
> Organic acids and derivatives / Carboxylic acids and derivatives / Amino acids, peptides, and analogues / Alpha amino acids and derivatives
Notoamide J 25180709 Click to see CC(C)(C=C)C1(C2=C(C=C(C=C2)O)NC1=O)CC3C(=O)N4CCCC4C(=O)N3 383.40 unknown via CMAUP database
> Organic acids and derivatives / Carboxylic acids and derivatives / Amino acids, peptides, and analogues / Alpha amino acids and derivatives / Alpha amino acids
Betaine 247 Click to see 117.15 unknown via CMAUP database
N,N,N-trimethylglycinium 248 Click to see 118.15 unknown via CMAUP database
> Organic acids and derivatives / Carboxylic acids and derivatives / Amino acids, peptides, and analogues / Alpha amino acids and derivatives / Alpha amino acids / L-alpha-amino acids
L-Arginine 6322 Click to see 174.20 unknown via CMAUP database
> Organic acids and derivatives / Carboxylic acids and derivatives / Amino acids, peptides, and analogues / Alpha amino acids and derivatives / Tyrosine and derivatives
3,3'-Methylenebis(tyrosine) 3082144 Click to see 374.40 unknown via CMAUP database
> Organic acids and derivatives / Carboxylic acids and derivatives / Amino acids, peptides, and analogues / Amino acids and derivatives / Kainoids
CID 17753955 17753955 Click to see CC(C=CC=C(C)C1CNC(C1CC(=O)O)C(=O)O)C(=O)O 311.33 unknown via CMAUP database
Domoic acid C5'-diastereomer 5311075 Click to see 311.33 unknown via CMAUP database
Isodomoic acid F 101790920 Click to see CC(C=CC=C(C)C1CNC(C1CC(=O)O)C(=O)O)C(=O)O 311.33 unknown via CMAUP database
> Organic acids and derivatives / Organic sulfonic acids and derivatives / Organosulfonic acids and derivatives / Organosulfonic acids
Taurine 1123 Click to see 125.15 unknown via CMAUP database
> Organic nitrogen compounds / Organonitrogen compounds / Amines / Alkanolamines / 1,2-aminoalcohols / N-acylethanolamines
Anandamide 5281969 Click to see 347.50 unknown via CMAUP database
> Organic oxygen compounds / Organooxygen compounds / Carbonyl compounds / Ketones / Beta-hydroxy ketones
Aspermytin A 9993091 Click to see 266.38 unknown via CMAUP database
> Organoheterocyclic compounds / Azaspirodecane derivatives
CID 101396440 101396440 Click to see CC1CC2C3C(CC4(O3)C(CC(CN4)C)C)OC(C1)(O2)CC(=C)C5C(CC(C(O5)(C(C6CC7C(O6)CC(C8(O7)CCC9(O8)C=CCC(O9)C=CCCC(=O)O)C)O)O)C)C 842.10 unknown via CMAUP database
> Organoheterocyclic compounds / Benzodiazepines / 1,4-benzodiazepines
(3R,3'R)-3'-(3-hydroxyphenyl)-4-methylspiro[1H-1,4-benzodiazepine-3,2'-oxirane]-2,5-dione 92278353 Click to see CN1C(=O)C2=CC=CC=C2NC(=O)C13C(O3)C4=CC(=CC=C4)O 310.30 unknown via CMAUP database
> Organoheterocyclic compounds / Benzopyrans / 1-benzopyrans / 2,2-dimethyl-1-benzopyrans
(3S,8aS)-3-[[(3R)-7,7-dimethyl-3-(2-methylbut-3-en-2-yl)-2-oxo-1H-pyrano[2,3-g]indol-3-yl]methyl]-2,3,6,7,8,8a-hexahydropyrrolo[1,2-a]pyrazine-1,4-dione 16127840 Click to see 449.50 unknown via CMAUP database
Notoamide A 16128040 Click to see CC1(C=CC2=C(O1)C=CC3=C2N(C(=O)C34CC56C(C4(C)C)CC7(CCCN7C5=O)C(=O)N6)O)C 463.50 unknown via CMAUP database
Notoamide B 16127923 Click to see CC1(C=CC2=C(O1)C=CC3=C2NC(=O)C34CC56C(C4(C)C)CC7(CCCN7C5=O)C(=O)N6)C 447.50 unknown via CMAUP database
Notoamide H 25180895 Click to see 479.50 unknown via CMAUP database
Notoamide O 102043608 Click to see 479.50 unknown via CMAUP database
Notoamide Q 46919487 Click to see 479.60 unknown via CMAUP database
Sclerotiamide 10647785 Click to see 463.50 unknown via CMAUP database
> Organoheterocyclic compounds / Indoles and derivatives / Pyrroloindoles
Notoamide D 16127841 Click to see 449.50 unknown via CMAUP database
Notoamide K 25180896 Click to see 465.50 unknown via CMAUP database
Notoamide P 46919486 Click to see CC1(C=CC2=C3C(=CC(=C2O1)Br)C4(CC5(C(=O)N6CCCC6C(=O)N5C4(N3)C(C)(C)C=C)O)O)C 544.40 unknown via CMAUP database
> Organoheterocyclic compounds / Quinolines and derivatives / Phenylquinolines
Viridicatol 115033 Click to see C1=CC=C2C(=C1)C(=C(C(=O)N2)O)C3=CC(=CC=C3)O 253.25 unknown via CMAUP database
> Organoheterocyclic compounds / Quinolines and derivatives / Pyrroloquinolines
(+)-Stephacidin A 16127922 Click to see 431.50 unknown via CMAUP database
Notoamide F 25180710 Click to see 461.60 unknown via CMAUP database
Notoamide G 25180707 Click to see 477.60 unknown via CMAUP database
Notoamide I 25180708 Click to see 445.50 unknown via CMAUP database
Notoamide R 46919488 Click to see 447.50 unknown via CMAUP database
> Phenylpropanoids and polyketides / Saxitoxins, gonyautoxins, and derivatives
[(3aS,4R,10aS)-2,6-diamino-9,9,10,10-tetrahydroxy-3,3a,4,8-tetrahydropyrrolo[1,2-c]purin-4-yl]methoxycarbonylsulfamic acid 102411283 Click to see 411.35 unknown via CMAUP database
[(3aS,4R,9S,10aS)-2,6-diamino-9,10,10-trihydroxy-3a,4,8,9-tetrahydro-3H-pyrrolo[1,2-c]purin-4-yl]methoxycarbonylsulfamic acid 44587284 Click to see 395.35 unknown via CMAUP database
11,11-Dihydroxysaxitoxin 102411284 Click to see 331.29 unknown via CMAUP database
11beta-Hydroxysaxitoxin 60135304 Click to see C1C(C(C23N1C(=NC(C2N=C(N3)N)COC(=O)N)N)(O)O)O 315.29 unknown via CMAUP database

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