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28 November 2019 | Story Leonie Bolleurs
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Dr Sandy-Lynn Steenhuisen and Ruth Cozien at a spot high up in the Maloti-Drakensberg World Heritage Site, close to Sentinel Peak, photographing a Drakensberg crag lizard underneath the leaves of the ‘Hidden Flower’.

Flowers high up in the Maloti-Drakensberg World Heritage Site made world news when it was discovered that the Drakensberg Crag Lizard is their sole pollinator. 

This first for continental Africa – a plant being pollinated by a lizard – is a discovery by a research group including Dr Sandy-Lynn Steenhuisen, Senior Lecturer in the Department of Plant Sciences and affiliate of the Afromontane Research Unit (ARU) at the Qwaqwa Campus of the University of the Free State (UFS), in collaboration with Dr Timo van der Niet, Prof Steven Johnson, and project leader Ruth Cozien, all from the Pollination Ecology Research Laboratory and Centre for Functional Biodiversity at the University of KwaZulu-Natal.

Besides their work being published in popular news here in South Africa (including an isiZulu article), it has also received coverage in, among others, Belgium, Canada, the Netherlands, and the United States of America. 

Is it a bee, a bird, perhaps a mouse?

‘Hidden Flower’, true to its name, is a plant species with flowers hidden at ground level, underneath the leaves of the plant. Like the leaves, the flowers are also green. With the flowers filled with nectar (up to 1 ml per plant) and strongly scented, one concludes that, just as with other flowers, these flowers must be visited by a pollinator. Is it a bee, is it a bird, perhaps a mouse/non-flying mammal?

According to Dr Steenhuisen, who was brought into the project because of her experience with rodents pollinating proteas, many plants are adapted to attract and be pollinated by a specific animal. They attract their pollinators using particular scents and colours and reward them for their service with, for example, nectar, oil, fragrance, and sometimes even shelter. 

The ‘Hidden Flower’ initially had the group of researchers thinking that it was being pollinated by a non-flying mammal. “Everything about the plant made it look like it should be mammal-pollinated,” Dr Steenhuisen said. 

They investigated all options, using several techniques to assess the contribution of different possible animals to set seed. To further assist them in their quest to find the true pollinator, the team put up motion cameras that recorded activity in the area of the ‘Hidden Flower’. 

Great was their surprise when studying the video material after a week of fieldwork in the mountains, finding shy lizards dipping their snouts in the ‘Hidden Flower’ and lapping up the nectar.

Dr Steenhuisen described this discovery as completely bizarre, exciting, and fascinating. 

To make 100% sure that lizards are pollinating the ‘Hidden Flower’, these animals were excluded from the plants. Results published in a paper in Ecology showed that when the lizards were experimentally excluded from the plants, the number of seeds produced dropped dramatically by almost 95%. This finding helped to further prove their discovery. 

Strong scent and bright orange colour attract

The team researched the new phenomenon and found that although flower visitation by lizards is not unknown, it occurs almost exclusively on oceanic islands. Cozien says one should keep in mind that mountains are like sky islands and might therefore have similarities with oceanic islands in terms of their ecology.

The strong scent and the touch of orange at the base of the inside of the flowers is believed to play an important role in attracting lizards. The little lizard may recognise the spots of orange inside the flowers which resemble the orange colour of a male lizard in mating season, attracting females. Lured by the strong scent and the orange spots, the reptiles stick their snouts into the flower in search of nectar, pollinating the ‘Hidden Flower’; thus, making sure that this flower will continue to grow on the slopes of Sentinel Peak in the Maloti Drakensberg range. 

This research finding on lizard pollination, which reads almost like a fairy tale with its islands, hidden flowers, nectar from the gods, and little dragons, shows that there are still many unknown and surprising interactions that need to be discovered and conserved to ensure a healthy ecological system. 

The research findings of this study were published in April 2019. 

News Archive

Middle East activists speak about peace on the Bloemfontein Campus
2012-03-15

 

Bassem Eid (left) and Benjamin Pogrund discuss the situation in the Middle East.
Photo: Johan Roux
15 March 2012

Peace is a big word in the Middle East, particularly amongst Israelis and Palestinians. After years of conflict, people yearn for peace; they want an end to the killings and the uncertainty. The problem is that both sides are actively doing things that undermine the prospect of peace. There is also double talk, lies and evasion with each side pointing fingers. This was the word from Benjamin Pogrund, an Israeli peace activist, addressing staff and students on the Bloemfontein Campus of the University of the Free State. He and fellow peace activist Bassem Eid, a Palestinian, visited the campus to speak about the situation in the Middle East.

Both men agreed that peace efforts were hindered by the Israeli and the Palestinian leaders. According to Pogrund, neither the Palestinians, nor the Israelis are leading the way in accepting that the conflict must end.
 
“Both Israeli and Palestinian leaders say let us get together with no pre-conditions. Then the Israeli leaders say, Jerusalem we cannot share, that is not for negotiation. And, they say to the Palestinians you must recognise Israel as a Jewish state. So, what they say is unless you agree to these pre-conditions there can be no talks without pre-conditions.
 
“And the Palestinians in turn say the settlement construction must cease immediately, and unless that happened, there is no point in meeting. And they say we will never acknowledge you as a Jewish state so do not even bother talking about it. And we insist on the right of return of Palestinian refugees. So they also say unless you acknowledge these pre-conditions there is no point in meeting with our pre-conditions. So as you can gather each side blames the other side, each side points the finger and says you are responsible for the lack of progress.”
 
Pogrund said both the Israelis and the Palestinians could demand legitimacy in that part of the world.
 
“Both Jewish and Arabs can say we have history on our side. We have religion on our side, culture.”
 
To compare Israel to Apartheid South Africa is wrong, he said.
 
“It is an occupation, it is repression, but it is not Apartheid.”
 
Eid, who is the director of the Palestinian Human Rights Monitoring Group, said the Palestinians were close to having a complete independent Palestinian state from 1994 to 1999.
 
“But in one rocket former Israeli Prime minister Ariel Sharon destroyed it.”
 
He said Israel’s disengagement from the Gaza Strip in 2005 did not bring political unity.
 
“We, the Palestinians, were supposed to start building the infrastructure of the Gaza Strip but unfortunately Hamas started dancing on that Israeli disengagement and considered it as their own success because of their military resistance against the occupation.” He also said Hamas is satisfied with its hold in the Gaza Strip and Fatah is also very satisfied with its hold in the West Bank. According to Eid, it is convenient for the Israelis that the Palestinians are separated.

 

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