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Argentina Archives - The Global Plant Council

Flowers of the Global Plant Council

By | Blog, GPC Community

A while ago we published a blog post about the sequencing of the Bauhinia genome. Bauhinia x blakeana is the national flower of Hong Kong, so naturally this sparked our interest in the global importance of flowers as national symbols, such as the English rose. Here we list just a few of the more interesting and unusual plants that are the national symbols of countries hosting GPC member organizations.

India       Indian Society for Plant Physiology

Nelumbo nucifera

The Lotus Plant

The Lotus Plant (Nelumbo nucifera) is an aquatic plant in the Nelumbonaceae family, and is the national flower of India and Vietnam. Image by alterna used under Creative Commons 2.0.

The lotus plant (Nelumbo nucifera) is considered sacred in the Buddhist and Hindu religions, and been used for over 7000 years in Asia as a source of food, herbal remedy and fibers for clothing. In 2013 its genome was sequenced, allowing its phylogenetic history and adaptations for the aquatic environment to be more fully understood.  For example, the plant has a number of genes enabling its adaptation to the nutrient poor soils in waterways, altering its novel root growth, iron regulation and phosphate starvation.

Researchers at the University of Adelaide, Australia, showed that the lotus actually has the ability to regulate the temperature of its flowers, maintaining them between 30 and 36 °C even when air temperature dropped below this. Quite how or why it does this is still unknown, but warmer flowers could play a role in attracting cold-blooded insects and increasing their activity once on the flowers to enhance pollination. An alternative explanation could be that warmer temperatures are required for pollen production.

Another fantastic fact about the lotus is seed viability. A 1300 year old lotus fruit found in a dry lakebed in China was successfully germinated, providing an insight into the aging process of fruits and other organisms

Australia      Australian Society of Plant Scientists

Acacia pycnantha

Acacia

The golden wattle (Acacia pycnantha) is a member of the Fabaceae family. The plant is a small tree that can grow up to 12 meters high! In Australia the 1st September is National Wattle Day. Image by Sydney Oats used under Creative Commons 2.0.

The Australian national flower is the Acacia pycnantha, or wattle, first described in 1942. Its name comes from the Greek pyknos (dense) and anthos (flowers) describing the dense groups of flowers that form on the tree. The wattle is an important source of tannins, and as such has been introduced to parts of southern Europe such as Italy and Portugal in addition to India and New Zealand. The wattle is also found in South Africa where it has now become an invasive pest, and various methods of biological control such as gall forming wasps (Trichilogaster signiventris) are being used to control populations.

Galls on Acacia

Galls on a wattle tree from T. signiventris. Eggs are laid by the wasp in the buds of flower heads and the hatched larvae induce gall formation which prevents flower development. This in turn prevents pollination and continued propagation of the Wattle population. Image by Sydney Oats used under Creative Commons 2.0.

Japan      The Japanese Society of Plant Physiologists

Yellow Chrysanthemum

Yellow Chrysanthemum

The yellow Chrysanthemum is a member of the Asteraceae family. Species of the Chrysanthemum enus are popular ornamental plants, and as such many hybrids and thousands of cultivars in a variety of colors and shapes can be found. Image by Joe deSousa used under Creative Commons 1.0.

Although cherry blossom is often the flower most associated with Japan, yellow Chrysanthemum flowers are equally as important. The flower is used as the Imperial Seal of Japan and on the cover of Japanese passports. Species of the genus Chrysanthemum are members of the Asteraceae (daisy) family.

Two species of the Chrysanthemum genus, C. cinerariifolium and C. coccineum, synthesize pyrethrum compounds, which attack insect nervous systems. As such these species make good companion plants in the field, repelling insects from economically valuable neighboring plants that do not have their own defense mechanisms. The naturally produced toxins are widely used in organic farming, and many synthetic versions are also available commercially.

South Africa      African Crop Science Society

Protea cynaroides

King Protea

The king protea (Protea cynaroides)  is a member of the Proteaceae family and the national flower of South Africa. The South African cricket team has the nickname the Proteas, after the flower. Image by Virginia Manso, used under Creative Commonds 2.0.

The king protea (Protea cynaroides) can grow up to 2 meters in height and comes in several colors and varieties. The plant grows in harsh, dry regions prone to wildfire, and as such has a number of adaptations for the environment. For example, a long tap-root is used for accessing deep water, and tough leathery leaves are resilient to both biotic and abiotic stress. The protea has a thick underground stem with many dormant buds. After a wildfire these dormant buds can become active, forming new stems allowing the plant to survive!

The king protea is only one species within the large Proteaceae family, 120 species of which are now endangered listed on the IUCN Red List of threatened species. The Protea Atlas Project aims to map the geographical location of proteas through Southern Africa in order to help preserve the family. In addition to protea, Southern Africa is home to around 24 000 plant taxa, 80% of which occur no where else in the world. A wider objective of the Protea Atlas Project is to map species-richness patterns in Southern Africa. The distribution of Protea plants within the region largely seems to match the species-richness patterns of other plant species, and therefore proteas are being used as surrogates for plant diversity. Find out more about the project and get involved here.

Germany and Estonia      EUCARPIA, EPSO, FESPB, SPPS

Centaurea cyanus

Cornflower

The cornflower (Centaurea cyanus) is a member of the Asteraceae family, like the Chrysanthemum. Image by Anita used under Creative Commons 2.0.

We have a large number of European and Scandinavian member groups, and choosing one flower to represent all of those was a challenge. However, the humble Cornflower seemed an appropriate choice to represent our European societies. This member of the daisy family is not only the national flower of Germany and Estonia, but has a place in many Scandinavian cultures being the symbol for a number of political parties in Finland and Sweden.

In the past this beautiful flower was regarded as a weed, but now due to intensive agricultural practices has become endangered. Cornflowers have many uses in addition to being an ornamental plant. The plant is used in many blends of herbal tea, flowers are edible in salads, and the blue coloring can be used as a clothes dye.

Canada           Canadian Society of Plant Biologists

Acer 

Although not technically a flower, the leaf of the maple tree  is such an iconic symbol on the Canadian flag we just had to include it (we are the Global Plant Council after all). There are many species of maple tree in the genus Acer, which can be distinguished from other genus of trees by their distinctive leaf shape. The most important species of maple in Canada is probably Acer saccharum, the sugar maple. The sap of this species is the major source of maple syrup, and its hard wood is popular for use in flooring and furniture.

Maple

Acer saccharum, the sugar maple, in Autumn. Image by Mark K. used under Creative Commons 2.0.

The sugar maple grows throughout the USA and Canada, favoring cooler climates and is a very shade tolerant species.  Despite this, the sugar maple is now in decline in many regions. It is highly susceptible to increased levels of air pollution and changes to salt levels. As such the species is now being replaced in many regions by the hardier Norway Maple.

Argentina                  Argentinian Society of Plant Physiology

Erythrina crista-galli 

E. crista-galli, the cockspur coral tree, is the national tree in Argentina. Also known in Argentina as the ceibo, the bright red flower of this tree is also the national flower of Argentina and Uruguay.

Cockspur

The bright red flowers of E.crista-galli are the national flowers of Argentina and Uruguay. Image by Gabriella F.Ruellan used under Creative Commons 2.0.

The small tree is a legume from the family Fabaceae. Characteristically of species from this family, the fruit of the cockspur coral tree are dry pods, and the roots have nodules containing nitrogen fixing bacteria making them important for increasing the available nitrogen in the soil. Although native to South America, the tree is also naturalized in Australia, where it is becoming an emerging environmental weed. The tree is invading waterways and wetlands displacing native species, and its spread is now being controlled in New South Wales.

If your country has a particularly interesting national flower that we have missed let us know! Perhaps we can include it in a future blog post.

A Postcard From… The Argentinean Society of Plant Physiology (SAFV)

By | Blog, GPC Community, SAFV

Professor Edith Taleisnik

This week Professor Edith Taleisnik describes the vision and activities of the Argentinean Society of Plant Physiology (SAFV), a Member Organization of the Global Plant Council dedicated to promoting collaboration in plant science within Argentina, across Latin America and beyond.

SAFV member Dr Constanza Carrera drinks mate, an infusion made from leaves of Ilex paraguariensis, which is very popular in Argentina, Uruguay and southern Brazil.

SAFV member Dr Constanza Carrera drinks mate, an infusion made from leaves of Ilex paraguariensis, which is very popular in Argentina, Uruguay and southern Brazil.

The Argentinean Society of Plant Physiology (Sociedad Argentina de Fisiologia Vegetal; SAFV) was founded in 1958 to nucleate researchers and teachers in plant physiology in Argentina. Since then the SAFV has maintained continuous activity in the country and the region, providing opportunities for the dissemination and exchange of information related to plant function. It has about 350 members, mostly from Argentina and also from neighboring Uruguay. The SAFV is linked with the Global Plant Council and many other important international plant science organizations.

Exchanging ideas in Argentina and beyond

29th SAFV meeting

The 29th SAFV meeting

One of the main objectives of the society is to organize meetings, which are held every two years. The last one was held in Mar del Plata, and was attended by nearly 600 people. The SAFV has close ties with the Brazilian Society of Plant Physiology (BSPP), so every other SAFV meeting is a joint Latin American event in association with the BSPP. These meetings provide a unique opportunity for scientists in the area to meet, analyze and exchange views on the future of this field, to plan for joint efforts and enterprises, to share personal experiences and contribute to a regional and global perspective of local endeavors.

The participation of students and young scientists in SAFV meetings is stimulated by invitations to deliver lectures and organize symposia, and by making available fellowships that cover travel and registration costs. In accordance with its mandate to promote and diffuse knowledge in plant science, the SAFV also organizes and sponsors courses and workshops.

Conversations with keynote speakers

Keynote speaker discussions at an SAFV meeting

Poster sessionPlant science, and plant physiology in particular, has experienced steady growth and development in Argentina, reflecting the importance of agriculture in its broadest sense; pastures and forests for the Argentine economy. Established groups all over the country produce novel data on various aspects of plant function and interaction with other organisms and the environment, which is particularly relevant to local and global crop production. The wide range of this work is reflected in the proceedings of the last plant physiology meeting.

Other Argentinian plant science societies

There are several other plant science societies in Argentina. Scientists working on botanical and morphological topics are affiliated to the Sociedad Argentina de Botánica (SAB). The focus of the members of the Asociación Argentina de Ecología (AsAE) is centered in environmental topics. A more recently formed society, the Asociación Argentina de Fitopatólgos (AAF), is dedicated to plant pathology, while the Sociedad Argentina de Investigación Bioquímica y Biología Molecular (SAIB) features a section specifically devoted to plant biochemistry and molecular biology. All of these societies hold periodical meetings, stimulate the work of young scientists through incentives and prizes, and publish journals (e.g. Ecología Austral) and books.

Get in touch

If you’d like to know more about the work of the SAFV, or how you can get involved with the society, have a look at their website, or get in touch via Facebook or Twitter (@fisiovegetal).


About the author

Edith TaleisnikProfessor Edith Taleisnik researches the physiology of plants under saline stress for the Argentinean National Scientific and Technical Research Council (CONICET), and is based at the Instituto de Fisiologia y Recursos Geneticos Vegetales  (IFRGV) CIAP, INTA, Argentina. Edith was the president of the SAFV from 2000 to 2004, and is now a member of the scientific committee.