Ruined Castel Rocks

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On an early morning hike out to the Ruined Castel Rocks, before the coach loads of day tourists spoil the silence. In the cool forest on the floor of the canyon I came across a male Liar bird, the master of mimicry. They are like a small brown pheasant with an airy peacock tail all in sepia tone. Not being the most birds they woo the mates with elaborate and quick-fire impressions of all the other bird sounds in the forest. They even mimic man made sounds though this one has no camera shutters and chainsaws in his repertoire it was non the les impressive.

http://www.youtube.com/watch?v=VjE0Kdfos4Y

Video of Liar Bird

The Snake Orchid, Cymbidium suave, was growing in a Eucalyptus tree in the hollow left by a fallen bow.

Snake Orchid, Cymbidium Suave ORCHIDACEAE

The Ruined Castel Rocks reach up just above the tree line conveniently arranged like a giant spiral staircase. Sitting atop of a rise in the middle of the canyon floor they offer a 360^o view of the surrounding cliff faces that are other wise reduced to fleeting glimpses through the canopy.

Around the rocks and up on top of the cliffs where the conditiond are hotter and dried grows the Scribbly Gum Eucalyptus sclerophylla. It is called the Scribbly gum due to markings left on the bark by browsing moth larvae.

Scribbly Gum, Eucalyptis sclerophylla MYRTACEAE

In amongst the greener the large, bright yellow, buttercup shape flowers of a shrubby twining, Hibbertia dentate shone out advertising their wares and a bright clearing left by a fallen tree was full of Senecio linearifolius, making though most of the available light.

DILLENIACEAE and Senecio linearifolius ASTERACEAE

Hibbertia dentate

Two lizards spotted on the walk were the Leura Water Skink Eulamprus Leureansisand the as yet un-identified by me little bearded dragon like lizard. The Leura lizard was amongst the foliage in the cool damp forest and the little bearded dragon was sunning himself up on the hot castle rocks.

Leura Water Skink Eulamprus leuraensis and the as yet un-identified lizard.

View of the forest under-story.

Katoomba in The Blue Mountains

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Katoomba, a small town in the Blue Mountains renowned for its hiking, rock-climbing and caving is a short train ride, 120 west of Sydney. I had expected, given the name ‘Blue Mountains’ to be greeted by spectacular alpine scenery on arrival. I was some what disappointed when there wasn’t so much as a rolling hill on the horizon. I turns out that Katoomba is on top of the mountain, and geologically speaking the region isn’t mountainous but a high plato and network of steep canyons and valleys. A short walk from the hostel in the centre of town reveals the spectacular scenery, which doesn’t tower above you but drops away vertically beneath your feet.

The Three Sisters sandstone rock formations and the Jamison valley.

The vast canyons have eroded more than 500m down through layers of sandstone, shale and clay. The cliff edges drop vertically more than 100m down to the forests blanketing the valley floor. Looking down there are distinct changes in vegetation from rain forest at the bottom of the valleys, supported by plentiful ground water rather that abundant rain fall, which is dark green and has a notable absence of Eucaliptus, of which there are over 100specied in the Blue Mountains alone. Rising up the slopes are the wet sclerophyll forests dominated by tall open stands of Eucalyptus with open canopies more that 60m in height, with an under story of soft leaved trees, climbers and grasses. Following layers of clay within the sandstone cliffs are hanging swamps where the ground water peculates out above the clay forming bands of  mosses and ferns that eventually drop from the cliff faces under their own weight. Finally the top of the plato consists of dry sclerophyll forests of open shorter, stands of Eucalyptus with a shrubby under story of flowering shrubs with small, tough spiny leaves.

One of the smaller tree species forming the under story of the forest in the botom of the canyon. I’ll let you know what it is when I find out.

The blue colouration of the mountains is down to the glaucus colour of the Eucalyptus leaves through the haze. Dropping down into the canyons down steep flights of steps carved into the rocks the atmosphere becomes noticeably cooler as you enter the humidity of the forest. Two trees dominate this part of the reserve, the Blue Mountain Gum Eucalyptus deanei with id towering smooth white bark and the Turpentine tree Syncarpia glomulifera with depictured bark, many of the trees burnt out completely in the core of the trunk by past fire storms and still supporting lush canopies. Tall tree ferns Cyathea australis lined the paths along with shorter squatter Dicksonia antarctica.

Blue Mountain Gum Eucalyptus deanei

Turpentine tree Suncarpia glomulifera

It was my first impulse to head straight down into the rainforests, however it turned out to be the high open forests on the tops of the canyons that support the most diverse range of flowers.  Here the soil is much drier and nutrient poor as they are leached to the valley floor. The scrub consists of many different varieties of  Acacia, Boronia, Grevellia, Hakea and pea plants (family FABACEAE) according to my book on wild flowers. There were many Banksias with remnants of past flowers and tough woody seed capsules that guard against fire, that unfortunately had finished flowering. There were other members of PROTEACEAE in flower along with many other wild flowers.

Isopogon anemonifolius PROTEACEAE

 

Banksia Eric folia PROTEACEAE

 

Telopia speciosa PROTEACEA

 

Lambertia Formosa PROTEACEAE

As is always the way I took pictures until the battery in my camera could carry on no more. Literally minuets after I rounded a corner and discovered not one but two different orchids in full bloom. My camera mustered up enough strength to take a quick snap or each. Fortunately they were not too far out so I hiked back up to the early the next morning, when the light was much more amenable of photography to take some more. The pale pink, butterfly shaped orchid has a mechanical anther which when the flower is genteelly touched, flicks suddenly like the arm of a catapult delivering a sticky package of pollen onto the back of an unsuspecting insect.

Haven’t been able to name these yet either, sorry!

Sydney Botanic Gardens

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After a long flight to Sydney and the chores of sorting visas, bank accounts and accommodation I made a bee line for the botanic gardens. Not having adjusted to the time difference I was wide awake at 3am, tossing and turning restlessly for a while I decided it was best to get up, head out and walk down to the Sydney Opera House to watch the sun come up over the harbour. The gardens are next to the Opera House and I snuck early enjoying the parkland and plantings, lit by warm hazy early morning sun all to my self, bar a few eager joggers. Its immediately clear that Sydney rarely if ever gets a frost as everything that I’ve spent the last few weeks digging up and lugging under cover is beaded out on mass.

Wandering around with my little compact camera it was frustrating looking up into sprawling fig trees with broad buttresses and branches propped up bur aerial roots, with shafts of light beaming through and not being to cram the image into my tiny lens. I wished I could zoom in on the fruit bats, wondered what a picture staring straight up into a grove of massive Washingtonia robustas would look like through a fish eye lens and the details I could pick up if only I had a macro. Well I have done the best I can for now and better find some fruit to pick soon so I can afford a camera that will do the job. You can’t have a good blog without good pics!

 

Ficus species.

There were several large plantings of Bromeliads, which once established with pups on pups make a fantastic ground cover, not bad considering their loft origins. Bearing their origin in mind they would take perfectly to vertical gardening and were displayed as such on a wall entering into the pyramidal tropical glasshouse. The planting had become a bit sparse in places and unfortunately it had been planted using aluminium mesh to retain the plants, had this have been sprayed green or black the wall would have looked more complete. At the very top the wall was toped with large yellow bromeliads which created a stark contrast with the sky. ‘The Rainforest Garden’ has recently posted an article on planting a vertical picture garden and Urban Jungles blog ‘Jungle Drums’ shows how I built a 12 foot high DIY herbaceous wall emulating the rather expensive hydroponics techniques pioneered by Patric Blanc.

Rainforest Garden http://www.therainforestgarden.com/2010/11/tropical-vertical-garden.html

Urban Jungle- Jungle Drums http://www.urbanjungle.uk.com/blog/template_permalink.asp?id=102

The garden is inhabited by some rather noisy fruit bats hanging from bare branches like withered leaves. They are recognised for their role in pollinating and seed dispersal but do in great numbers cause considerable damage to the trees. Several trees had been completely killed. As a result a sign informed that the New South Wales National Parks and Wildlife Service has granted a licence for non-harmful relocation of the bats, but didn’t specify how.

Whilst travelling through the suburbs of Sydney are great views across endless rooftops splotched with the canopies of Jacaranda in full bloom. Here is a Jacaranda in bloom with bright yellow Furcaria.

Frustratingly it always seems to be the most interesting plants that are lacking their labels. Here’s a few natives that caught my eye, labels intact. Alloxylon flammeum ‘Red Silk Oak’ from the Atherton tablelands in Queensland. Ephedra tweediana, forming a tangled ball of lime green twining stems. It belongs to a genus that is said to share characteristic with both that of modern flowering plants and more ancient carboniferous species.  Whatever its makeup it’s got great character. The sparsely Podocarpus smithii, from North East Queensland, which looked wilted from a distance but on closer inspection produces silvery pink soft new foliage among clusters of pale yellow catkins. Nearly opened Banksia serrata found all up the east coast far as South Queensland. Acacia calimifolia from the South East with small sulphur yellow pompoms amid silvery, fine, flowing foliage.

Alloxylon flammeum

Ephedra tweediana

Podocarpus smithii

Banksia serrata

Acacia calimifolia

Here’s one last picture of he flower of Neomarica caerulea against the foliage of Canna ‘Durban‘, the outer petals contrasting spectacularly with the orange/russets of the Canna leaves which match beautifully with the markings of the centre of the flower.

Neomarica caerulea and Canna ‘Durban’