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Snow overnight!

Posted by Sandy Knapp Mar 11, 2010

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Snow overnight! It snowed about 4-5 cm ....  very beautiful, but the Chinese cope with snow similarly to people in London - not particularly well, it does not happen that often - so I am lucky. Here though people were out in force from early one - sweeping away the snow with twig brooms as it fell! My plane takes off in a few hours - if it is clear the view over Mongolia will be spectacular!

 

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IBCAS - Institute of Botany of the Chinese Academy of Sciences

 

The wind is howling, but the sun is shining and the air is relatively dry, so it doesn’t really feel that cold. I gave two talks to the scientists of the Institute of Botany of the Chinese Academy of Sciences in the morning on Friday – one on the future of taxonomy and the other on domestication – people always ask such good questions here, it is such a pleasure to be able to interact with the scientists in China.

 

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Herbarium cabinets

 

Then to work in the herbarium – this is the national herbarium of China and the biggest in the country. Here I met my old friend Zhang Zhi-yun, who did the Solanaceae for the Flora of China project; she is now retired but still comes to work much of the time.

 

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Zhang

 

I spent the rest of Friday and all of Saturday checking specimens for the Chinese species in my current taxonomic monograph (complete treatment of all the species of a particular group) – there are three species in the group in China and they are all pretty common so there were a LOT of specimens to examine! It is a bit frustrating as I cannot read the labels, but I take photographs, enter what details I can into the database, and then will find a way to transliterate the rest of the information later. Gao and JinXiu have offered their students to help.

 

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Herbarium 2

 

Because the collections here are so much more comprehensive than any I have seen from China I have been able to find new distribution records and in fact, a new species – not new to science, just new for me to China. The group I am working with are the species related to the common woody nightshade of Europe (Solanum dulcamara) and I was not sure that species got to China. But it does, into Inner Mongolia (Nei Mongol), the Uighur region and the farthest northeast province Heilongjiang – along the northernmost part of the country. The usefulness of good collections proves itself over and over again!

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Last day in the tropics!

Posted by Sandy Knapp Mar 8, 2010

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Early in the morning I found the fishing boats came in close to shore and tourists from the high rise hotels flocked to buy fish – about an hour later they chugged off to the next door bay, presumably to do the same thing.

 

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Yalong Bay

 

After our exciting success yesterday with Solanum nienkui, Mr. Huang decided we needed to see the tropical rainforest resort where he had provided botanical help, labelling trees and providing environmental impact support. It is great to see trees in a place like this labelled with names (scientific and Chinese), distribution and uses – really possible to learn something.

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Tree label

 

It was truly a wonder and could only be in China – a luxury hotel with cabins (“camping”!!) set in lovely forest, all accessible and ready to host hundreds of guests. One of the (many) swimming pools just dropped off into nowhere – stunning. I did find a solanum - Solanum procumbens, a spiny vine I had only seen once before, so I was pleased!

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We then returned to Sanya to stock up on fruit from the local open air fruit market before our return to Beijing in the evening – what a place! Mangoes from tiny to huge, jackfruit (Artocarpus heterophyllus, related to the breadfruit of Captain Bligh fame) [jackfruit] – and bedlam from bargaining, card playing and general motorcycle plus human traffic.

 

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Fruit seller

 

Many of the vendors were local people from mountain villages – their lips and teeth were stained red from chewing what is often called “betel nut”. The nut is the area but, from the palm Areca catechu, and it is sold together with betel leaves – the leaves of the black pepper (Piper nigrum). The nuts are a mild stimulant with vasoconstricting properties, causing a hot sensation and heightened alertness. The red staining is from the coloured seed inside the palm fruit. The nut is important (in conjunction with the pepper leaves) in both Traditional Chinese Medicine (TCM) and Ayurvedic medicine and is widely used in Southeast Asia.

 

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Betel nuts

 

At 8pm we took off for Beijing, laden with fruits, and arrived nearly 5 hours later – China is a huge country, and we even flew the short axis! The shock was considerable, coming to 0 degrees centigrade from 39 a few hours before – snow on the ground and ponds frozen over. Thank goodness the herbarium is heated!

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Dry forest

 

Today was devoted to searching for Solanum nienkui, first described from Hainan and until recently thought to be endemic there (now it is known from Vietnam as well). It is known from very few specimens, all of which look very ratty. We had no idea what sort of habitat to look for it in, or what it looked like, so thankfully Mr. Huang was along to help – he had seen it before! After a frustrating morning in the heat and sun (35 degrees and rising to 39 eventually!), we headed off to JianFeng on the west coast.

 

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Examining Solanum nienkui

 

There we found Solanum nienkui in the very dry forest at the back of the Hainan University research station! Very exciting – and we now know why the specimens look the way they do – it is a pretty unprepossessing plant – sticks with a few leaves and flowers. The flowers have unequal anthers, something not mentioned in any of the descriptions of the species – I will have to check this carefully against the few specimens I have back at the Museum.

 

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Solanum nienkui

 


As a reward to ourselves, we stopped at the beach at the edge of Sanya on the way back – partly to go to the beach, but also to see the coastal vegetation restoration. There were several species of spiny shrubs, a screwpine (Pandanus) and Spinifex littoreus, an extraordinary grass whose female inflorescences for great tumbling balls that are blown about in the wind. We had races with these on the sand – great fun!

 

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Sanya beach  (click to enlarge images)                      Spinifex

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A find in a pigsty

Posted by Sandy Knapp Mar 5, 2010

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Wuzhishan (click to enlarge images)                                         Steep trail with Jiang

 

Today we split up – Jiang and I went to climb Wuzhishan (at 1871 m, the tallest point on Hainan Island) and JinXiu and Gao went to villages to look at plants around there. Wuzhishan is called “Five Finger Mountain” for the five peaks; the trail up to the top begins at about 800 m elevation and basically goes straight up the ridge. To climb you have to pull yourself up by trees and roots – near the top there is a series of rickety ladders. The plants were beautiful – this Rhododendron had flowers about 3 cm across. We didn’t quite make it – we had to be back down by 1 pm to go on, so had to turn back. I could see, however, that the last 200 m climb was straight up and very precarious!

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Rhododendron                                                                  The pigsty

We then went on to a small village in the next mountain range – the centre of Hainan is inhabited by people of the Li ethnic group. There we were excited to find a purple semi-wild aubergine or aubergine relative! The villagers had brought it with them from their previous village, but the younger people said they were not interested in it – it was for old people only. It was growing in a pigsty, alongside the normal yellow-fruited sorts of plants we had been collecting all along the way. It will be fascinating to see where this purple-fruited plant fits genetically.

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Purple aubergine

After collecting until neraly dark, we sped on to Sanya, the southernmost city in China. It is a real tourist haven - for Chinese tourists! Lots of people come here in the winter as it is nice and warm (34 degrees C at 7 pm after dark). We were taken to a special seafood place by Mr. Huang from the Forestry Bureau who will collect with us tomorrow - you got to choose your dinner from tanks! The variety was astounding.

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Dinner from a tank

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Hainan Island

Posted by Sandy Knapp Mar 4, 2010

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Rice paddies

 

Left Haikou through the most amazing traffic jam of people going back to school, work, you name it. After a few more roadside solanum collections, we entered the central part of the island. It is essentially a huge garden – mostly cultivated in neat squares. Here the rice has been planted in paddies – it is the most luminescent green, and every field has a person in it weeding, planting or just generally tending to things.

 

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Horsemen

 

In the little roadside face where we ate lunch a poster of Mao, Zhou and Liu and their Marshals was on the wall – it reminded me of the horsemen of the apocalypse! On the facing wall was one of the generals similarly astride horse with flowing manes all rushing headlong to somewhere.

 

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Limushan

 

Our destination for today was Limushan Nature Reserve in the mountainous part of Hainan; here the peaks are up to 1400 metres above sea level and although they look completely clothed with forest, they were heavily logged all the way to the tops in the early part of the 20th century. Now, however, the area is a provincial reserve and the loggers have new jobs as park rangers. The forest is interesting, with an understory of bamboo and rattans and some very big trees of Podocarpus (a timber tree) and others. Given time, it will probably recover, especially if the protection continues. Rubber is planted right up to the edge of the Reserve, and Caribbean pines – so the edge is at risk.

 

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Firecracker tree

 

The forest was incredibly dry – it is dry season and it has been a very dry year, so it was a bit disappointing on the solanum front, but we did see some rather lovely other plants, like the firecracker tree – a tree first described from Hainan (Rademachera hainanensis) in the Bignoniaceae, or catalpa family).

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Fireworks

 

Well, the end of the Chinese Spring Festival (New Year holiday) sure puts Guy Fawkes night to shame! In the week I have been here firecrackers have been everywhere, but this evening the really big guns came out. For an full hour and a half (and maybe a bit longer) spectacular fireworks went off in a park by the Hainan Government buildings near Century Bridge - it is obvious these are a Chinese invention. Several hours later I still hear booms and bangs from all directions - it will go on all night. This is really ending things with a bang!

 

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Hainan University


The solanums of Hainan are still awaiting us; we ended up staying in Haikou as the park we were going to was closed for the holiday. So we spent the day in the herbarium of Hainan University instead. The collection is tiny, eaten by insects and kept in a very poor condition, but what the botanists lack in facilities they make up in enthusiasm. We were treated very kindly by Professor Yang; it was a real pleasure to have the day in town - something I usually would never say! Tomorrow we head for the mountains in the centre of the island, one of the few places native vegetation remains.

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Liondancers

 

After a true Cantonese breakfast with dumplings and all sorts, we set off to the tip of mainland China to see what we could find. It was chaos going through town, everyone was out and about; it is nearly last day of Spring Festival (Chinese New Year) and the celebrations are reaching their peak in south China, where the holiday is taken very seriously! In the village of XiaoLiao we encountered lion dancers who went from house to house to the accompaniment of firecrackers and drums – in some places the firecrackers were so many you couldn’t see the dancers for the smoke!

 

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Aubergines, ready to go

 

This is a true mega-production zone – irrigated and full of vegetables – including aubergines! They were being harvested and readied for sending to the north. We spoke to one farmer in his field where he told us they were all planting the new variety Nong Feng #3, it gave two crops a year and after two years they took the plants out and began again.

 

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Aubergine field

 

We passed through areas of chilli peppers and onions as well, where the air changed scent depending on what crop was being harvested. Despite it being a festival the harvest was going on. We also collected much Solanum undatum, the putative wild progenitor of the aubergine, in several villages – the local people say it is a wild plant and is not now eaten, though it used to be and is still used as medicine.

 

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Salt pans (click images to enlarge)                                                      Fishing boats

 

We reached the southern-most tip of mainland China, after going through black plastic evaporating tanks for making salt. There we found fishermen mending their nets at low tide, waiting to go out again. They had a piece of red coral that had caught in their net (collecting it on purpose is not legal) – it was beautiful, you can see why it is endangered.

 

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Red coral (click image to enlarge)

 

Then off to catch the ferry to Hainan Island. Tiangang and JinXiu said this was truly travelling Chinese style, and they would never do it again – it was wild. The pushing and shoving was intense and the ferry was stuffed with people, cars and buses. We made it though, and the solanums of Hainan Island await!

 

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The Hainan ferry (click images to enlarge)                                            The ferry queue

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Today we drove – and drove! We set off from the border of Vietnam and China – the town of DongXing, crossed all of Guangxi along the South China Sea, then into Guangdong province (ex-Canton of the British) to Xuwen. Xuwen is an old town and was famous during the Qing Dynasty, but as my colleagues say, development seems to have passed it by. People here now speak Cantonese, not Mandarin, so in villages we have some difficulty. Never let anyone tell you China has a single language! Even asking for the toilet can be a challenge.

 

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Mangroves

 

Near the mouth of the Beilun River we stopped at an impressive mangrove restoration project – every March children come and plant mangroves, a real community project. The place is lovely and full of birds. Mangroves are true coastal protection and it is encouraging that in the face of what is otherwise rampant development there are at least some mangrove protected areas along this coast.

 

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Roadsweeper

 

The expressway from DongXing could have been anywhere – the verges were planted with eucalyptus; the only thing that clued one into the fact that this was China was an occasional glimpse of rice paddies and the ladies with twig brooms sweeping the highway!

 

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Patchwork crops

 

The Leichou peninsula of Guangdong (the bit that sticks down and leads to Hainan Island) is flat and devoted to agriculture – the land is not a monoculture, but rather a patchwork of monocultures; a square of pineapples, an oblong of ginger, some bananas, sugarcane and loads of vegetables. We collected in what had to be the worst place ever – a population in a village rubbish dump where we soon gathered a crowd of spectators!

 

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Solanum in the rubbish

 

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The watching crowd

Sandy Knapp

Sandy Knapp

Member since: Jan 21, 2010

I'm Sandy Knapp, a botanist here at the Museum. I'm travelling in China to study the origins and domestication of aubergines with my colleague Wang JinXiu from the Institute of Botany in Beijing. Let's see what happens.

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