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Tropical botany researcher

3 Posts tagged with the epiphytes tag
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Back at INBio Herbarium

Posted by Alex Monro Feb 22, 2012

We arrived back at INBio and our dormitory last night, a little euphoric, very tired and having feasted at Taco Bell! Today we had a very interesting meeting with the Director of INBio, Carlos Hernández and later lunch with the vice rectors of the University of Costa Rica and the Universidad Estatal a Distancia (Costa Rica's and Latin Americas's biggest equivalent of the Open University) to talk about a training course Neil Brummit and I are giving tomorrow on Species Conservation Assessments.

 

This is Neil's main area of work and my role will be mainly to translate from English into Spanish. There has been a lot of interest and we will be working with participants from Costa Rica's Conservation Areas Network (including National Parks), INBio, the University of Costa Rica and the Universidad Estatal a Distancia.

 

We were finally able to make it back to the herbarium to try and identify some of the 'mystery' plants we had collected. Top of the list for being striking was the dark flowered epiphyte in the potatoe family:

 

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We were pretty sure it was in the genus Schultesianthus but could not remember ever having seen such a dark flowered species. Well, five minutes in the herbarium and we had located it! It is Schultesianthus crosbyanus, first collected in Panama in 1966, described in 1973 as in the genus Markea and moved to the genus Schultesianthus in 1995. Strangely, the only known locality for this species in Costa Rica was where we have just been collecting.

 

 

 

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Well no valentine’s day cards…sniff. Tom from Nature Live has been showing off his card for the last week and I was tempted to write one for myself. Today was another beautiful day though; bright blue skies and a light breeze.

 

After having separated into two groups for the past three days it felt good for us all to be working together again. We walked along the river on a very accident-inducing, slippery trail, with stunning views every few minutes.

 

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(Click images to see them full size)

 

Our site for the day was an area of ‘turbera’ or peat bog - an open expanse of lichen dominated ground with scattered tree ferns (Blechnum buchtienii) around whose base are even more lichens, epiphytes and shrubs.

 

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Overlooking the bog was a loan, probably a dead oak tree, which despite having died is home to a mini forest of it’s own on each branch. I spent more time than I should have trying to work out how many species were in the tree and the logistics of climbing up to collect them.

 

 

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It was hard work pressing in the bright sun but we collected 58 species of vascular plants and Holger and Jo made some more fantastic aquatic lichen and moss discoveries.

 

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It makes a real difference having the perspective of a different group of organisms. Holger was able to identify substantial amounts of basalt rock in the river bed which helps keep the pH close to neutral and so favour a rich and perse lichen community. This also gives us some clues to the history of these mountains.

 

He also very conveniently measures the temperature of the river (12°C) which encouraged me to have a quick dip before we headed back to camp.

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Some familiar faces

Posted by Alex Monro Feb 10, 2012

It is 7 pm and I am in my sleeping bag as it is already really cold. Today we walked from our temporary camp where we spent last night up to our main camp in ‘El Valle de Silencio’ at 2,500 m. At this altitude we are in oak forest where the trees are up to 50 m in height, festooned with epiphytes, lichens and mosses and with a groundstory dominated by bamboo.

 

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Oak tree with Tom Simpson of Nature Live for scale

 

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View of oak forest interior

 

It occurred to me as we were walking through the forest that a surprising number of the trees we were seeing would be familiar in a forest back home: oak (Quercus), alder (Alnus), holly (Ilex), buckthorn (Rhamnus) and Cherry (Prunus), not the same species of course, but the same genera.

 

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Quercus costaricensis

 

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Rhamnus sp.

 

As I sit huddled in my sleeping bag I realise that there is a certain affinity with the climate back home too and also a physical one as many of these species, or at least their ancestors would have come from North America at a time when there was a land-bridge between our Continent and North America. So presumably these high elevation forests were colonised by trees coming from North America rather than South America, a phenomenon documented already by several authors.