Tag Archives: nepenthes

Pitcher Plant Hunting in Weston

Nepenthes of Weston

Insect-eating (carnivorous) plant such as Pitcher Plant always fascinates me, so I’m so happy that Simon from W.P.M.S Tours & Travel took me for a short tour in “Pitcher Plant Garden” of Weston. The density of pitcher plants there is high, or you can say they are everywhere.

coastal forest of Weston
With me is a group of local and foreign tourists. The pitcher plant site looks like other places in countryside. When I was wondering where to start, Simon warned everyone, “Watch your step, you might step on it!”

Weston forest
Within a minute, a tourist shouted, “See! There is one here.” Shortly a child also screamed in excitement, “I also found another one!” Soon everyone was so engrossed with pitcher plant hunting.

sandy white ground
Though I’ve seen pitcher plant in red Ultramafic soil and heath forest, this is the first time I see pitcher plant choosing sandy area as its natural habitat. This area is sandy and full of white rocks, with patchy dark maroon rocks among.

looking for nepenthes
Pic: family has fun looking for the pitcher plant

Simon is right, there are clusters of pitcher plant grow on the sandy soil, you have to be very careful of your steps.

mini pitcher plant
Pic: Nepenthes gracilis, the most common pitcher plant species of Borneo.

Nepenthes gracilis can be found in secondary forest, peat swamp forest and heath forest of below 500 Meter above sea level. It may not have distinctive feature but it is tiny and cute, its colors vary from green to red. Most pitcher plant we saw in this area is Nepenthes gracilis.

Nepenthes gracilis
Pic: clusters of Nepenthes gracilis in Weston.

pitcher plant clusters on sand
Pic: the red circles are where we saw Nepenthes gracilis. Casual visitors will miss it easily.

fern and shrubs
Then I started to hunt in grass area. You can tell that the soil here is poor in nutrient from the presence of ferns, shrubs and shorter trees.

pitcher plant in grass
The pitcher plant seems to grow larger in grass area, probably due to higher organic substances in the soil.

pitcher plant in Weston

Nepenthes xhookeriana
Pic: Nepenthes xhookeriana

Nepenthes xhookeriana is a special find here. This species is a natural hybrid between Nepenthes ampullaria and Nepenthes rafflesiana (both are abundant in South-West of Sabah). The pitcher is squat, broad and ovoid in shape.

Nepenthes rafflesiania
I spotted Nepenthes rafflesiania when I moved deeper into the wood.

children with pitcher plant
Pic: excited kids taking picture with pitcher plant

flower of Nepenthes
Pic: the flower of pitcher plant, which is “friendly” to insect (pollinator).

habitat of pitcher plant
Too bad we had to rush to the next destination, so we only spent 15 minutes in Pitcher Plant Garden. Otherwise I can spend hours exploring this area. I was told that a fireman who put off forest fire here saw a white pitcher plant as long as an arm in deeper part of neighboring forest. I’ll come back again one day to discover more.

How to get there

Weston is a small town at Sabah’s West Coast and 125 KM (2-hour drive) south of Kota Kinabalu city. 400 Meters before Weston, turn to a junction named Jln Lubok at your left, and you will reach the place in a few minutes (see Location Map).

Weston temple
Pic: you will see a Chinese temple (Chinese name: 聖王廟) near the junction.

hunting nepenthes
This place is an open space without gate and fence. But don’t litter around when you visit the land.

Have you visited this place? Please tell me, if you see other species of pitcher plant there.

Photos taken in Weston, Sabah, Malaysia Borneo

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An Interview with Pitcher Plant

Nepenthes rajah

Pitcher plants of Sabah belong to the genus Nepenthes. Some call them “Monkey Cup.” Pitcher plant is one of the coolest plants on earth because it can “catch” bugs without chasing around. Pitcher Plants normally grow in places where the soil is very poor in nutrients, especially nitrogen.

monkey cup

To survive, they become carnivorous plants that are equipped with pitfall trap, consists of a deep cupped cavity filled with liquid. The lethal bait is the nectar of the pitcher that makes it smells like a jug of irresistible honey. Insects which forage for sweet food will fall accidentally into the deep cavity, drown in the digestive liquid and consumed by pitcher plant.

Nepenthes rajah
To learn more about this fascinating plant, I interviewed a pitcher plant named “Pit” who is fond of eating bugs.

Pit: Hello! I am Pit, a Nepenthesis Rajah (species name) from Sabah. Rajah is the world’s biggest pitcher plant that can hold 1.5 to 2 Litres of water. I am only found in Mesilau, Kinabalu Park and Mt. Tambuyukon, that means I am endemic to Sabah.

pitcher plant does not bite

MySabah: You make Sabahans proud. But wait! Are you man-eater?
Pit: Nepenthesis Rajah can grow up to 35cm. There were two documented cases of mouse corpses found in pitchers and our cup can trap small animals such as frog and lizards, but no, pitcher plant is not big enough to eat human though we wish. We cannot move so we cannot bite, unlike the common myth saying that we can open and close our lids to chew your fingers.

virgin Nepenthes
Above: pitcher plant about to open. The locals say the serum inside virgin nepenthes is used as hair tonic

virgin pitcher plant

MySabah: 35cm!!? WOW, you are such a huge fruit!
Pit: Wrong. The pitcher is not a fruit. It does not make sense for flower to kill pollinators that visit it, right? As a matter of fact, the pitcher is the modified tip of a leaf that has evolved to trap insects. Pitcher plants do have small flowers that attract different kinds of insects for pollination.

insect trapped in Nepenthes
Above: insect trapped inside pitcher plant

snail trapped in Nepenthes
Above: snail trapped inside pitcher plant

MySabah: Is the murky fluid in pitcher poisonous?
Pit: The water in pitcher contains highly acidic enzymes (sometimes up to pH 1.90!) to digest the prey and some wetting agents that make their escape harder. However, most captured insects died of drowning when they fail to climb out from our smooth inner wall, instead of being killed by the acid. The liquid is acidic, smelly and full of bacteria, so drinking it will lead to very uncomfortable consequences. You have been warned!

mosquito larva inside Nepenthes
Above: larvae of mosquito inside pitcher plant

MySabah: Weird… How come I saw mosquito larvae swim happily in your “gastric” then?
Pit: Oh yes. Larvae of certain insects such as mosquito and flies, live in the pitchers during juvenile stage, have adapted to the acidic environment. Actually they also help to break up the carcasses of the death bugs so my enzymes can decompose the prey easier. By sharing food, they also keep my cup clean by removing excessive organic leftover. The insects will leave me after they grow up and fly away, never return again except for laying eggs.

endemic pitcher plant of Sabah
Photos: endemic pitcher plant of Sabah
endemic Nepenthes of Sabah

MySabah: How many species of pitcher plants are found?
Pit: So far there are more than 80 Nepenthes species identified by botanists. Most of them are concentrated in South-East Asia, with more than 20 species discovered in Sabah. Many species in Sabah are endemic species such as Nepenthes rajah, Nepenthes villosa, Nepenthes lowii, Nepenthes burbigeae, Nepenthes edwardsiana, Nepenthes lowii, Nepenthes macrophylla, and Nepenthes macrovulgaris. Most pitcher plant species have very restricted geography distribution. Sometimes two different species crossbreed with each other naturally to produce a hybrid, such as Nepenthes xkinbaluensis (fusion of Nepenthes rajah and Nepenthes villosa).

flowers of pitcher plant
Above: flower of nepenthes (left is male, right is female)

tiny pitcher plant

New species is found at a rate of 1 to 2 every year. In October of 2006, Dr Charles Clarke discovered a new species on Gunung Alab (highest peak of Crocker Range Park) in Sabah, and named it as Nepenthes chaniana after Sabahan Datuk CL Chan. This is the first nepenthes species named after Malaysian!

Nepenthes

MySabah: You are so cute. Can I plant you in my garden?
Pit: All pitcher plant species are protected in Sabah. For people who possess or trade pitcher plants without a license, they can be fined RM5,000 or being jailed for 2 years, or both. In severe case, the penalty fee can reach RM10,000 (USD3,000++). You can buy a diamond for that price. Besides, pitcher plant is hard to cultivate in-house, most of them die under human care.

Nepenthes
Nepenthes Garden of Tenom Agriculture Park
Above: Nepenthes Garden of Tenom Agriculture Park

MySabah: Many tourists would love to meet pitcher plants and get autograph of them. Where are the best places to find you all?
Pit: If you would like to see many species in a garden, you should check out Botanical Garden of Lokkawi Wildlife Park or Carnivorous Plant Garden of Sabah Agriculture Park in Tenom. They have collection of over 10 beautiful local and foreigner species. Even the roadsides to Beaufort, Papar-Kimanis, and Keningau have a few common Nepenthes species wait to be seen. If this is not close enough, you could look for them in nature jogging trail of Tun Fuad Stephens Park.

Nepenthes in Tun Fuad Stephens Park
Above: wild pitcher plant at Tun Fuad Stephens Park

pitcher plant

To see pitcher plants in the wild, Mesilau, Kinabalu Park, Maliau Basin, Mt. Trus Madi and Mt. Tambuyukon are the best spots to look for rare & endemic species. But you need to have very observant eyes because the colors of pitcher plants blend nicely in the wood. January to May is a good time as we grow well in wetter season.

Nepenthes macrophylla in Mt. Trus Madi
Above: rare Nepenthes macrophylla in Mt. Trus Madi

pitcher plant in Maliau Basin
Above: pitcher plant in Maliau Basin

Pitcher plants are sensitive, so please do not touch it. If you have to, hold its body gently and do not flip its lid, which is the most fragile part, to see what is inside. While you enjoy watching them, please do not feed them with stuff such as cockroach, as pitcher cannot cope with a mouthful of bugs. Camera flash is believed to be harmful to us, so please use it sparingly. By being considerable, the next tourist can see our beauty intact.

pitcher plant

MySabah: Thank you so much, Pit!
Pit: You are welcome. For further info about us, you could read the book “A Guide to the Pitcher Plants of Sabah” published by Natural History Publications. All the best!

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sabahborneo's Pitcher Plant photoset sabahborneo’s Pitcher Plant photoset

Photos taken in Sabah, Malaysia Borneo

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