Filtros de búsqueda

Lista de obras de Ben-Erik van Wyk

(1439) Proposal to Conserve the Name Spartium capense (Leguminosae) with a Conserved Type

artículo científico publicado en 1999

(1729) Proposal to Conserve the Name Arctopus echinatus with a Conserved Type (Apiaceae)

artículo científico publicado en 2006

(2134) Proposal to conserve the name Phymaspermum (Asteraceae) with a conserved type

artículo científico publicado en 2013

6′-O-Coumaroylaloesin from Aloe castanea — a taxonomic marker for Aloe section Anguialoe

artículo científico publicado en 2000

A Chemotaxonomic and Biochemical Evaluation of the Identity of Aloe candelabrum (Aloaceae)

artículo científico publicado en 1996

A New Generic Classification for African Peucedanoid Species (Apiaceae)

artículo científico publicado en 2008

A New Species of the Genus Hermas (Apiaceae) from South Africa

article

A Reappraisal of the Generic Status of Liparia and Priestleya (Fabaceae)

artículo científico publicado en 1994

A Revision of the Genus Heteromorpha (Apiaceae)

artículo científico publicado en 1996

A Taxonomic Revision Of the South African Endemic Genus Arctopus (Apiaceae, Saniculoideae)1

scientific article published in 2008

A Taxonomic Revision of Podalyria (Fabaceae)

artículo científico publicado en 2011

A Taxonomic Revision of the Annesorhiza triternata Group (Apiaceae, Apioideae): the Transfer of Peucedanum triternatum and P. filicaule and the Description of Five New Species

artículo científico publicado en 2011

A Taxonomic Revision of the Woody South African Genus Notobubon (Apiaceae: Apioideae)

artículo científico publicado en 2009

A broad review of commercially important southern African medicinal plants.

artículo científico publicado en 2008

A chemotaxonomic and morphological appraisal of Aloe series Purpurascentes, Aloe section Anguialoe and their hybrid, Aloe broomii.

artículo científico publicado en 2001

A chemotaxonomic survey of kaurene derivatives in the genus Alepidea (Apiaceae)

artículo científico publicado en 1995

A chemotaxonomic survey of major alkaloids in Lotononis and Buchenroedera

artículo científico publicado en 1989

A family-level floristic inventory and analysis of medicinal plants used in Traditional African Medicine

artículo científico publicado en 2019

A global infrageneric classification system for the genus Crotalaria (Leguminosae) based on molecular and morphological evidence

artículo científico publicado en 2013

A historical, scientific and commercial perspective on the medicinal use of Pelargonium sidoides (Geraniaceae).

artículo científico publicado en 2008

A new species of Alepidea (Apiaceae, subfam. Saniculoideae)

article

A new species of Lichtensteinia (Apiaceae)

scientific article published in 2008

A new species of Lotononis section Oxydium (Fabaceae, Crotalarieae)

scientific article published in 2008

A new species of Rafnia (Crotalarieae, Fabaceae)

artículo científico publicado en 2007

A refined circumscription of Notobubon striatum and the resurrection of Dregea collina Ecklon & Zeyher (Apiaceae, Apioideae)

artículo científico publicado en 2016

A review of commercially important African medicinal plants

artículo científico publicado en 2015

A review of the taxonomy, ethnobotany, chemistry and pharmacology of Sutherlandia frutescens (Fabaceae).

artículo científico publicado en 2008

A revision of Centella series Capenses (Apiaceae)

artículo científico publicado en 1997

A revision of Lebeckia sect. Lebeckia: The L. plukenetiana group (Fabaceae, Crotalarieae)

artículo científico publicado en 2008

A revision of Lebeckia sect. Lebeckia: The L. sepiaria group

scientific article published in 2007

A revision of the African genus Robynsiophyton (Crotalarieae, Fabaceae)

scientific article published in 2009

A revision of the genus Anginon (Apiaceae)

artículo científico publicado en 1997

A revision of the genus Annesorhiza (Apiaceae)

artículo científico publicado en 2001

A revision of the genus Bolusia (Fabaceae, Crotalarieae)

artículo científico publicado en 2010

A revision of the genus Choritaenia (Apiaceae)

scientific article published in 2007

A revision of the genus Dolichos (Fabaceae, Papilionoideae, Phaseoleae), including Lesotho and Swaziland

artículo científico publicado en 2012

A revision of the genus Marlothiella (Apiaceae)

artículo científico publicado en 2007

A survey of wood anatomical characters in the tribe Crotalarieae (Fabaceae)

scientific article published in 2014

A synopsis of the Middle-eastern and Asian species of Argyrolobium (Genisteae–Fabaceae)

article

A taxonomic revision of Capnophyllum (Apiaceae: Apioideae)

artículo científico publicado en 2009

A taxonomic revision of Rafnia (Fabaceae, Crotalarieae)

artículo científico publicado en 2001

A taxonomic revision of the South African endemic genus Dasispermum (Apiaceae, Apioideae)

artículo científico publicado en 2010

A taxonomic revision of the Thesium goetzeanum species complex (Santalaceae) from Lesotho, South Africa and Swaziland

artículo científico publicado en 2018

A taxonomic revision of the genus Nanobubon (Apiaceae: Apioideae)

artículo científico publicado en 2008

A taxonomic study of the Centella rupestris group

artículo científico publicado en 1995

Advances in legume systematics 12

scientific article published in 2013

Alkaloidal variation in cissampelos capensis (Menispermaceae).

artículo científico publicado en 2011

Alkaloidal variation in the genus Pearsonia

artículo científico publicado en 1991

Alkaloids of the genera Dicraeopetalum, Platycelyphium and Sakoanala

artículo científico publicado en 1993

Allozyme Variation in Virgilia oroboides (Tribe Podalyrieae: Fabaceae)

artículo científico publicado en 1995

Ameliorative effect of aspalathin from rooibos (Aspalathus linearis) on acute oxidative stress in Caenorhabditis elegans.

artículo científico publicado en 2012

An ethnobotanical survey of medicinal plants in the southeastern Karoo, South Africa

article

An ethnobotanical survey of southern African Menispermaceae

scientific article published in 2008

An ethnobotanical survey of the Agter–Hantam, Northern Cape Province, South Africa

artículo científico publicado en 2011

Analysis of Phenolic Compounds in Rooibos Tea (Aspalathus linearis) with a Comparison of Flavonoid-Based Compounds in Natural Populations of Plants from Different Regions

artículo científico publicado en 2017

Anatomy of the leaf and bark of Warburgia salutaris (Canellaceae), an important medicinal plant from South Africa

article

Annesorhiza asparagoides (Apiaceae), a new species from the Cederberg Mountains, Western Cape Province, South Africa

article

Anthrones from Aloe microstigma

Antimicrobial and antimalarial activity of Cussonia species (Araliaceae).

artículo científico publicado en 2010

Antiplasmodial activity and cytotoxicity of Albertisia delagoensis.

artículo científico publicado en 2007

Bark anatomy of Adansonia digitata L. (Malvaceae)

Bark and wood anatomy of Leucosidea and Cliffortia (Sanguisorbeae, Rosaceae)

article published in 2017

Bechuanaland: A Misunderstood Geographical Name; And the Type Locality of Haworthia tenuifolia (Asphodelaceae: Alooideae)

artículo científico publicado en 1993

Billburttia, a new genus of Apiaceae (tribe Apieae) endemic to Madagascar

artículo científico publicado en 2009

Biochemical genetic variation in four wild populations of Aspalathus linearis (Rooibos Tea)

article by Michelle Van Der Bank et al published April 1995 in Biochemical Systematics and Ecology

Bitterness values for traditional tonic plants of southern Africa.

artículo científico publicado en 2013

Burkholderia dilworthii sp. nov., isolated from Lebeckia ambigua root nodules

artículo científico publicado en 2013

Cape aloes—A review of the phytochemistry, pharmacology and commercialisation of Aloe ferox

article

Chemataxonomic value of anthocyanins in the tribe liparieae (Fabaceae)

article

Chemotaxonomic significance of alkaloids in the genus Lebeckia

artículo científico publicado en 1989

Chemotaxonomic significance of alkaloids in the genus Pearsonia

artículo científico publicado en 1989

Chemotaxonomic significance of alkaloids in the genus Robynsiophyton

artículo científico publicado en 1991

Chemotaxonomic survey of anthraquinones and pre-anthraquinones in roots of Aloe species

article

Chemotaxonomic value of anthocyanins in Podalyria and Virgilia (tribe Podalyrieae: Fabaceae)

article

Chromone and aloin derivatives from Aloe broomii, A. Africana and A. speciosa

article published in 1997

Chromones and anthrones from Aloe marlothii and Aloe rupestris

artículo científico publicado en 2000

Chromosome numbers of South African Umbelliferae (Apiaceae)

scientific article published in 2011

Clarification of the concept of Aframmi (Heteromorpheae, Apiaceae) and a new monotypic genus, Normantha

artículo científico publicado en 2017

Contributions from the Bolus Herbarium

artículo científico publicado en 1993

Crystal types and their distribution in the bark of African genistoid legumes (Fabaceae tribes Sophoreae, Podalyrieae, Crotalarieae and Genisteae)

scientific article published in 2015

Distribution and taxonomic significance of major alkaloids in the genus Podalyria

scientific article published in 1992

Distribution and taxonomic significance of major alkaloids in the genus Virgilia

scientific article published in 1989

Divergence Time Estimation of Aloes and Allies (Xanthorrhoeaceae) Based on Three Marker Genes

article

Essential oil composition and leaf trichomes of Pegolettia baccharidifolia and Pegolettia retrofracta (Asteraceae)

article

Ethnobotanical plant uses in the KwaNibela Peninsula, St Lucia, South Africa

article

Ethnobotany and antimicrobial activity of sieketroos (Arctopus species)

scientific article published in 2007

Ethnobotany, leaf anatomy, essential oil composition and antibacterial activity of Pteronia onobromoides (Asteraceae)

article

Evidence for the Polyphyly of Haworthia (Asphodelaceae Subfamily Alooideae; Asparagales) Inferred from Nucleotide Sequences of rbcL, matK, ITS1 and Genomic Fingerprinting with ISSR-PCR

article

Evidence from fruit structure supports in general the circumscription of Apiaceae subfamily Azorelloideae

article

FABACEAE

artículo científico publicado en 1990

FABACEAE: A NEW SPECIES OF COEUDIUM (LIPARIEAE)

artículo científico publicado en 1992

False paracarpy in Seemannaralia (Araliaceae): from bilocular ovary to unilocular fruit

artículo científico publicado en 2010

Fatal pyrrolizidine alkaloid poisoning of infants caused by adulterated Senecio coronatus

artículo científico

Four New Genera of Woody Apiaceae of Madagascar

artículo científico publicado en 1999

Furanoterpenoids from Siphonochilus aethiopicus

artículo científico publicado en 2002

Generic Delimitations and Relationships of the Cape Genera Capnophyllum, Dasispermum, and Sonderina, the North African Genera Krubera and Stoibrax, and a New Monotypic Genus of the Subfamily Apioideae (Apiaceae)

artículo científico publicado en 2009

Generic Relationships in the Alooideae (Asphodelaceae)

artículo científico publicado en 1991

Genetic polymorphism in wild and cultivated Siphonochilus aethiopicus (Zingiberaceae)

artículo científico publicado en 1997

Genetic variation in two economically important Aloe species (Aloaceae)

artículo científico publicado en 1995

Genetic variation within and geographical relationships between four natural populations ofVirgilia oroboides (Tribe Podalyrieae: Fabaceae)

artículo científico publicado en 1996

Identification of atractyloside by LC-ESI-MS in alleged herbal poisonings.

artículo científico publicado en 2006

Indigenous edible plant use by contemporary Khoe-San descendants of South Africa's Cape South Coast

article

Infrageneric Classification of Haworthia (Aloaceae): Perspectives from Nectar Sugar Analysis

artículo científico publicado en 2001

Irregular vittae and druse crystals in Steganotaenia fruits support a taxonomic affinity with the subfamily Saniculoideae (Apiaceae)

scientific article published in 2007

Leaf and stem anatomy of honeybush tea (Cyclopia species, Fabaceae)

article by A.V. Stepanova et al published September 2012 in South African Journal of Botany

Medicinal Plants of South Africa

artículo científico publicado en 1998

Medicinal plants of the Kamiesberg, Namaqualand, South Africa

artículo científico publicado en 2015

Mesembs of the World

artículo científico publicado en 1999

Nectar Sugars in Proteaceae: Patterns and Processes

artículo científico publicado en 1998

Nectar sugar composition in Erica

article

Nectar sugar composition in the subfamily Alloideaec (Aphodelaceae)

article

New generic circumscriptions in the tribe Crotalarieae (Fabaceae)

scientific article published in 2009

New tribal delimitations for the early diverging lineages of Apiaceae subfamily Apioideae

artículo científico publicado en 2010

New tribal delimitations in African Apiaceae

artículo científico publicado en 2009

Notes on the occurrence and significance of triterpenoids (asiaticoside and related compounds) and caffeoylquinic acids in Centella species

artículo científico

Notes on the taxonomic and ecological significance of bark structure in the genus Virgilia (Fabaceae, Podalyrieae)

artículo científico publicado en 2013

Osmitopsis asteriscoides (Asteraceae)-the antimicrobial activity and essential oil composition of a Cape-Dutch remedy.

artículo científico publicado en 2003

Oxypterine, a chlorinated alkaloid from Lotononis subsection Rostrata

Phylogenetic Relationships in Asphodelaceae (Subfamily Alooideae) Inferred from Chloroplast DNA Sequences (rbcL, matK) and from Genomic Fingerprinting (ISSR)

artículo científico publicado en 2003

Phylogenetic Relationships of Tribe Crotalarieae (Fabaceae) Inferred from DNA Sequences and Morphology

scholarly article by James S. Boatwright et al published 1 October 2008 in Systematic Botany

Phylogenetic position of African and Malagasy Pimpinella species and related genera (Apiaceae, Pimpinelleae)

article

Phylogenetic relationships in the genus Lichtensteinia (Apiaceae) based on morphological, anatomical and DNA sequence data

scholarly article by P.M. Tilney et al published January 2009 in South African Journal of Botany

Physical and chemical characteristics of Aloe ferox leaf gel

artículo científico publicado en 2011

Producing a plant diversity portal for South Africa

artículos científicos

Pteronia divaricata (Asteraceae): A newly recorded Cape herbal medicine

scientific article published in 2011

Reconstructing the deep-branching relationships of the papilionoid legumes

artículo científico publicado en 2013

Reinstatement of Gymnosporia (Celastraceae): implications for the Flora Malesiana region

artículo científico publicado en 2003

San and Nama indigenous knowledge: The case of |nhora (Pteronia camphorata) and its medicinal use

Senecio angustifolius as the major source of pyrrolizidine alkaloid contamination of rooibos tea (Aspalathus linearis)

article by Ben-Erik van Wyk et al published May 2017 in South African Journal of Botany

Simultaneous quantification of anthrones and chromones in Aloe ferox (“Cape aloes”) using UHPLC–MS

Special issue on economic botany

scholarly article by Ben-Erik van Wyk published in October 2011

Stirtonanthus, a new name for Stirtonia (Leguminosae, tribe Podalyrieae)

scientific article published in 1995

Stirtonia, a new genus of the tribe Podalyrieae (Leguminosae) from South Africa

artículo científico publicado en 1994

Studies in the genus Lotononis (Crotalarieae, Fabaceae). 12. Four new species of the L. falcata group, section Leptis

artículo científico publicado en 1990

Studies in the genus Lotononis (Crotalarieae, Fabaceae). 13. Two new species and notes on the occurrence of cleistogamy in the section Leptis

artículo científico publicado en 1990

Studies in the genus Lotononis (Crotalarieae, Fabaceae). 9. Four new species of the L. pentaphylla group, section Lipozygis

artículo científico publicado en 1990

Systematic Position of the Anomalous Genus Cadia and the Phylogeny of the Tribe Podalyrieae (Fabaceae)

scholarly article by James S. Boatwright et al published 1 March 2008 in Systematic Botany

Systematics of the tribe Podalyrieae (Fabaceae) based on DNA, morphological and chemical data

scientific article published in 2002

THE GENERIC POSITION OF ANNESORHIZA FILICAULIS ECKL. & ZEYH. (APIACEAE)

artículo científico publicado en 2001

Taxonomic notes on the genera Tiliacora and Tinospora (Menispermaceae) in southern Africa

scientific article published in 2016

Taxonomic notes on the genus Albertisia (Menispermaceae) in South Africa and Mozambique

scholarly article by H. De Wet & Ben-Erik van Wyk published January 2013 in South African Journal of Botany

Taxonomic notes on the genus Cocculus (Menispermaceae) in southern Africa

artículo científico publicado en 2015

Taxonomic notes on the genus Otoptera (Phaseoleae, Fabaceae) in southern Africa

artículo científico publicado en 2011

Taxonomic notes on the genus Stephania (Menispermaceae) in southern Africa

artículo científico publicado en 2014

Taxonomic significance of major alkaloids in the genus Priestleya

scientific article published in 1991

Taxonomy of Wiborgiella (Crotalarieae, Fabaceae), a Genus Endemic to the Greater Cape Region of South Africa

article

The Chemotaxonomic Value of Two Cinnamoyl Chromones, Aloeresin E and F, in Aloe (Aloaceae)

artículo científico publicado en 1999

The Identity of Lessertia rigida (Thunb.) DC. (Galegeae, Fabaceae) and a New Species From the Greater Cape Region of South Africa

artículo científico publicado en 2011

The Identity of the Type of Bubon gummiferum (Peucedanum gummiferum) (Apiaceae)

artículo científico publicado en 2008

The Reinstatement of the Genus Xiphotheca (Fabaceae)

artículo científico publicado en 1993

The Taxonomic Value of Fruit Structure in the Subfamily Saniculoideae and Related African Genera (Apiaceae)

artículo científico publicado en 2003

The Taxonomy of Aloinella, Guillauminia and Lemeea (Aloaceae)

artículo científico publicado en 1995

The Tribal Position of Hypocalyptus Thunberg (Fabaceae)

scientific article published in 1998

The anatomy, ethnobotany, antimicrobial activity and essential oil composition of southern African species of Teucrium (Lamiaceae)

article

The chemotaxonomic significance of root anthraquinones and pre-anthraquinones in the genus Lomatophyllum (asphodelaceae)

scientific article published in 1995

The chemotaxonomic value of the diglucoside anthrone homonataloside B in the genus Aloe

artículo científico publicado en 2002

The diversity and multiple uses of southern African legumes

artículo científico

The ethnobotany and pharmacognosy of Olea europaea subsp. africana (Oleaceae)

artículo científico publicado en 2010

The ethnobotany, leaf anatomy, essential oil variation and biological activity of Pteronia incana (Asteraceae)

scientific article published in 2010

The generic concept of Lebeckia (Crotalarieae, Fabaceae): Reinstatement of the genus Calobota and the new genus Wiborgiella

artículo científico publicado en 2009

The history and ethnobotany of Cape herbal teas

article by Ben-Erik van Wyk & B. Gorelik published May 2017 in South African Journal of Botany

The homology of red flower colour in Crassula, cotyledon and Tylecodon (Crassulaceae)

article

The identity of Lebeckia lotononoides (Crotalarieae, Fabaceae)

scientific article published in 2007

The major diterpenoids of the genus Arctopus (Apiaceae) with notes on their chemotaxonomic and medicinal significance

scientific article published in 2013

The major flower anthocyanins of Lobostemon (Boraginaceae)

article

The major phenolic compound of the roots and leaves of Rafnia amplexicaulis (Fabaceae), a liquorice substitute and traditional tea used in Cape Herbal Medicine

article by H.H. Kinfe et al published September 2015 in South African Journal of Botany

The major phenolic compounds in the leaves of Cyclopia species (honeybush tea)

article

The pharmacognostic value of leaf and stem anatomy in rooibos tea (Aspalathus linearis)

article by E.L. Kotina et al published September 2012 in South African Journal of Botany

The phylogenetic significance of the carpophore in Apiaceae

artículo científico publicado en 2012

The potential of South African plants in the development of new food and beverage products

article

The potential of South African plants in the development of new medicinal products

article

The rediscovery of Billburttia vaginoides, with notes on the morphology, anatomy, traditional uses and conservation status of the genus Billburttia (Apieae, Apiaceae)

artículo científico publicado en 2017

The systematic position of Sophora inhambanensis (Fabaceae: Sophoreae)

scientific article published in 2011

The systematic value of flower structure in Crotalaria and related genera of the tribe Crotalarieae (Fabaceae)

article published in 2012

The taxonomic significance of cyanogenesis in Lotononis and related genera

scientific article published in 1989

The taxonomic value of fruit wing types in the order Apiales

artículo científico publicado el 1 de septiembre de 2006

Thesium ovatifolium (Santalaceae), a new species with ovate leaves from KwaZulu-Natal, South Africa

artículo científico publicado en 2019

Three new species of Centella series Glabratae (Apiaceae)

artículo científico publicado en 1998

Three new species of Centella series Montanae

artículo científico publicado en 1999

Three oxanthrones from Aloe littoralis

Two new species of Centella (Umbelliferae) with notes on the infrageneric taxonomy

artículo científico publicado en 1995

Two-year viral load suppression among adolescents receiving antiretroviral therapy in the Cape Metropole, South Africa, 2013 - 2015: A retrospective cohort analysis

scientific article published on 27 November 2020

Unusual carpological characters in Marlothiella gummifera (Apiaceae)

artículo científico publicado en 2012

Volatile constituents of Notobubon and Nanobubon (Apiaceae, tribe Tordylieae)

Volatiles from African species of Croton (Euphorbiaceae), including new diterpenes in essential oil from Croton gratissimus

scientific article published on 23 October 2019

Wood anatomy of the tribe Podalyrieae (Fabaceae, Papilionoideae): Diversity and evolutionary trends

artículo científico publicado en 2013

Wood and bark anatomy of Centella: scalariform perforation plates support an affinity with the subfamily Mackinlayoideae (Apiaceae)

scientific article published in 2010

Wood and bark anatomy of Hypocalyptus support its isolated taxonomic position in Leguminosae

scientific article published in 2013

A new species of Lessertia (Galegeae, Leguminosae) from Gauteng Province, South Africa

artículo científico publicado en 2016