Gentan Research Network logo


What's New?



Gentian Research Network

and Rutgers University:

Classification (newest)
List of genera
List by tribe

Gentian characteristics

What are gentians?

Photo gallery

Research projects

People, addresses
Literature, publications 
Add info to
this site



Common names
Ecology - Natural history

Endangered species

Ethnobotany - Uses

Gentian violet


Who eats gentians?




for kids!

Latin America
North America








Information in other languages:



This page is maintained 
by Dr. Lena Struwe 
(e-mail), and hosted by
Rutgers University


updated: 01/19/11 

Researchers and addresses

Contact information: photographers and illustrators
How to add photos and information to Gentian Research Network
photos of gentian researchers

(home page link)
Address e-mail, phone, fax Research keywords (topic,  group, geographic region)
Victor A. Albert

University at Buffalo, SUNY

Buffalo, NY,
phylogeny, systematics, wood anatomy,  paleogeography, Potaliinae, Helieae, worldwide [+Gentianales]
Susy Castillo Laboratorio de Florística
Museo de Historia Natural - UNMSM
Av. Arenales 1256,
Jesús María. Apartado Postal 14.0434
Lima - 14
ph (511) 471-0117
ph (511) 470-4471
ph (511) 470-7918
Gentianaceae of Peruvian Andes, Gentianella, Gentiana, Halenia
Lelia C. Orrell Elliston 263 South Avenue
Weston, MA 02493
ph +1 781 956 8333
demography, population ecology, reproductive biology, endangered species, Sabatia kennedyana, North America, USA
Xue-Jun Ge Herbarium
South China Botanical Garden,
Chinese Academy of Sciences
Guangzhou 510650
ph +86 20 3725 2551
fax +86 20 3725 2831

Conservation genetics, phylogeography, evolution, Gentiana, Megacodon, East Himayala

M P Geethakumary
Plant Systematics and Evolutionary Science Division
Tropical Botanic Garden and Research Institute,
Palode Karimancode P.O.
Thiruvananthapuram district
Kerala, 695562
ph +91 9495153445
Taxonomic studies on the family Gentianaceae of  the Southern Western Ghats
David Glenny

Landcare Research,
PO Box 69, Lincoln 

ph +64 03 325 6701
fax +64 03 325 2418

Systematics, phylogeny, Gentianella, New Zealand
Jason R. Grant Laboratoire de botanique évolutive, Institut de botanique
Faculté de Sciences
Université de Neuchâtel
CH-2007 Neuchâtel, SWITZERLAND
ph +41 32 718 2344
fax +41 32 718 3001
Systematics, biogeography, phylogeny, Macrocarpaea, Zonanthus, Neotropics [+Bromeliaceae]
Paul Groff Department of Biology
University of Miami 
29 Cox Science Center
Coral Gables, Florida 33124, USA systematics, phylogenetics, biogeography, morphology, seed anatomy, Bartonia, Frasera, Gentianopsis, Obolaria
Josef Greimler Department of Higher Plants Systematics and Evolution
Institute of Botany
University of Vienna
Rennweg 14
A-1030 Wien
ph +43 1 4277-54145
fax +43 1 4277-954
Systematics, morphology, Gentianella, Europe
Elsie Franklin Guimaraes Rua Pacheco Leao 915
22460-030 Rio de Janeiro
ph +55 (21) 2511-2588, 
+55 (21) 2529-2151,
+55 (21) 2274-4949
fax +55 (21) 2511-2749
Systematics, Coutoubea, Deianira, Prepusa, Schultesia, Neotropics
Heiko Hentrich INnB, Biology Division
University of Koblenz-Landau
Campus Landau
Fortstrasse 7
D-76829 Landau/Pfalz
ph + 49 6341 280 31190
floral ecology/reproductive ecology of plants pollinated by orchid bees and speciation processes (Voyria)
Sovanmoly Hul Muséum National d'Histoire Naturelle
Laboratoire de Phanérogamie
16, rue Buffon
75005 Paris
ph +?? 01 40 79 33 57
fax +?? 01 40 79 33 42
Systematics, Laos, Cambodia, Vietnam
Stephan Imhof

Morphologie und Systematik der Höheren Pflanzen
Spezielle Botanik und Mykologie
Fachbereich Biologie
D-35032 Marburg,
ph  +49 6421-282 5185
fax +49 6421-282 2057
Root anatomy,  mycotrophy, Voyria, Neotropics
Charles Jolles
European Gentian Association Cercle Européen d'Etude des Gentianacées
CP 47, CH-1000 Lausanne 26
ph +41 21 784 01 00
fax + 41 21 784 01 00


Gentiana lutea and species of the genus Gentiana in Europe; promotion and economical aspects of development; editing of journals and books specialized on gentians
Kunjani Joshi Dept. of Botany
Patan Campus
Tribhuvan University
NEPAL Systematics and ethnobotany of Swertia
Pooja Joshi TERI-School of Advanced Studies
Darbari Seth Block
Habitat Palce
New Delhi-110003
INDIA tissue culture of Swertia chirayita 
Jan Kirschner Institute of Botany
Academy of Sciences
CZ-25243 Pruhonice 1
ph +420 271015233
fax +420 267750031

Taxonomy of Gentianella, seasonal
polymorphism, hybridization of
Jonathan Kissling

Institute of Botany
University of Neuchâtel
Rue Emile-Argand 11
CH-2007 Neuchâtel

Phylogeny and taxonomy of Sebaea and related genera of Exaceae, diplostigmaty

Jens Klackenberg Sekt. för fanerogambotanik
Naturhistoriska Riksmuseet
P.O. Box 50007
SE-104 05 Stockholm
ph +46 8 51 95 40 84
fax +46 8 51 95 42 21
Systematics, biogeography, phylogeny, Exacum, Tachiadenus, Africa, Madagascar, tropical Asia [+Apocynaceae]
Kate B. Lepis Rutgers University
New Brunswick, NJ 08901, USA
  Systematics, biogeography, Chelonanthus, Irlbachia, Neoptropics

Sheila Lyons-Sobaski

611 East Porter Street
Biology Department
Albion College
Albion, MI 49224
ph +1 517-629-0649
fax +1 517-629-0264
Conservation genetics, Population genetics, Sabatia angularis, Sabatia campestris, Peripheral populations
Hiltje Maas-van de Kamer     Systematics, saprophytes, Voyria, Voyriella, Neotropics
Paul J. M. Maas Wageningen University
THE NETHERLANDS Systematics, saprophytes, Voyria, Voyriella, Neotropics
Mahendran K. G. Plant Tissue Culture Laboratory
Department of Botany
School of Life Sciences
Bharathiar University
ph +91 999 4155 609
Tissue culture  of Swertia and phytochemistry
Guilhem Mansion Botanischer Garten und Botanisches Museum Berlin-Dahlem,
Freie Universität Berlin
Königin-Luise-Straße 6-8
D-14195 Berlin
g.mansion@BGBM.ORG Systematics, biogeography, phylogeny, phytochemistry, medicinal and toxic plants, Chironiinae, Centaurium, Gentiana, worldwide
Katherine Gould Mathews Department of Biology
Western Carolina University
132 Natural Science Building
Cullowhee, NC 28723
ph +1 828 227 3659
Phylogeny, biogeography, Symbolanthus, Sabatia, Spigelia [Loganiaceae], South and North America
Jeanmaire Molina Long Island University, NY, USA Symbolanthus, Andes, secondary structure for alignment of DNA sequences, endangered species, Potalieae
Cecilia Veronica Nunez INPA - Instituto Nacional de Pesquisas da Amazônia
CPPN - Coordenação de Pesquisas em Produtos Naturais
Av. André Araújo, 2936 - Caixa Postal 476
Petrópolis, Manaus, AM - BRAZIL 
ph +55 92 643-3180
fax +55 92 643-3176
phytochemistry, pharmacology, ethnobotany, Gentianaceae, Brazil, [+Rubiaceae, Asteraceae]
Adrian M. Pohlit Coordenação de Pesquisas em Produtos Naturais-CPPN
Instituto Nacional de Pesquisas da Amazônia-INPA
Avenida André Araújo, 2936; Bairro: Petrópolis
69083-000 Manaus-Amazonas
ph/fax  +55 92 643-3177
Phytochemistry, pharmacology, Tachia, Brazil
James S. Pringle Royal Botanic Gardens
P.O. Box 399
Hamilton, Ontario L8N
ph +1 905 527 1158 x236
fax +1 905 577 0375
systematics, Gentianeae, Gentiana, Gentianella, Gentianopsis, South, Central, and North America
A. I. Prokopiv Botanical Garden
Department of Botany
Lviv National University
P.O.Box 6659, Lviv,
79005, UKRAINE root morphology, plant architecture,  anatomy, ontogeny, phylogeny, biogeography, Gentiana, Eurasia (Russia, Ukraine, Slovenia
Jan J. Rybczyñski Biotechnology Lab.
Botanical Garden - Center for Biological Diversity Conservation
Polish Academy of Sciences
Prawdziwka str.2
02-973 Warsaw
ph +48-(22)-(648-38-56)
Tissue culture and somatic cell genetic manipulation of selected Gentians  (somatic hybridization, transformation, cryopreservation), regenerants description with application of different methods
Tom Schweich 3008 Fairview Avenue
Alameda, CA 94501
ph +1 510-865-5778
population biology, ecology, Swertia/Frasera, southeastern United States (Mojave desert)
Natalia M. Shiyan National Herbarium of Ukraine (KW )
M. G. Kholodny Institute of Botany,
National Academy of Sciences of Ukraine

2 Tereshchenkivska Str.
Kyiv-1, 01601
ph +38 (044) 234 51 57
+38( 044) 234 40 41
systematics, taxonomy, biogeography of Gentianaceae (Ukraine and contiguous countries).
Erik Smets Laboratory of Plant Systematics, K. U. Leuven,
Institute of Botany and Microbiology,
Kasteelpark Arenberg 31,
B-3001 Leuven
ph  +32 16 32 15 35
fax +32 16 32 19 68
systematics, phylogeny, floral nectaries, vestures, orbicules, Gentianaceae, worldwide [+Gentianales]
U Sreelatha Kerala Agricultural University
Kerala, India
  horticulture, ethnobotany and conservation of Exacum
Lena Struwe Dept. of Ecology, Evolution, and Natural Resources
Rutgers University
237 Foran Hall
59 Dudley Road
New Brunswick, NJ 08901, USA
( )
ph +1 732 932 9711 x 235
fax +1 732 932 9441
Systematics, biogeography, phylogeny, ethnobotany, Gentianaceae: especially Potalieae and Helieae, worldwide [+Loganiaceae, Gelsemiaceae, Gentianales]

M. Sugumaran


Rimba Ilmu Botanic Garden
Institute of Biological Sciences
Faculty of Science
University of Malaya
50603 Kuala Lumpur
ph (603) 7967 4688/4686
fax  (603) 7967 6150

Systematics of Fagraea, plant architecture, floral biology
Mike Thiv Staatliches Museum Naturkunde Stuttgart
Rosenstein 1
D-70191 Stuttgart, GERMANY
Ph +49 711 8936205
Fax +49 711 8936100
Systematics, biogeography, phylogeny: Canscoriinae, Chironieae, Bisgoeppertia
Joseph-Marie Torres Laboratoire de botanique évolutive, Institut de botanique
Faculté de Sciences
Université de Neuchâtel
CH-2007 Neuchâtel
SWITZERLAND pollination in Macrocarpaea, Ecuador, Neotropics
Richard E. Weaver Florida
  Systematics, Macrocarpaea, Lisianthius, Neotropics
Barbara A. Whitlock  Department of Biology
University of Miami 
29 Cox Science Center
Coral Gables, FL 33124
ph +1 305 284 5412
fax +1 305 284 3039
systematics, phylogenetics, biogeography, morphology, seed anatomy, Bartonia, Frasera, Gentianopsis, Obolaria
Khoon Meng Wong

Singapore Botanic Gardens
1 Cluny Road
ph +65 6471 9868
fax +65 6467 4832
Phylogeny, systematics, biogeography, Fagraea complex, SE Asia-Pacific  
Yong-Ming Yuan
Systematics, evolution, karyology, phylogeny, biogeography, Gentianaceae, Gentianeae, Exaceae, worldwide



© Gentian Research Network, 2002-2011.
For corrections and additions, contact Lena Struwe at