tropicbreeze

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tropicbreeze last won the day on August 31

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  1. tropicbreeze

    Utricularia fulva

    A few years back, while walking up on the Arnhem Land Plateau, I came across Utricularia fulva that was virtually carpeting the ground along streams. U. fulva is endemic to the Northern Territory and quite common across the Top End in sandstone habitats. It seems to like sandy areas along running creeks where for a good part of the wet season it would be completely inundated. So, some close ups and some habitat photos.
  2. tropicbreeze

    Selenecerius grandiflora

    My Selenicereus flowered for me last night, for the first time ever after 9 years. It's a S. chrysocardium, and I'd given up hope that it would ever flower. Got photos of it open but didn't think to measure the bloom. But today I measured the longest petals at 14 cms each (or are those longer, thinner ones really bracts?). It was half open by mid evening, fully open by midnight. No fragrance but sort of the smell of crushed vegetation. This morning it was closed right up. It is a pity the flowers are so short lived.
  3. tropicbreeze

    Ramblings in the neighbourhood II

    Thanks for the comments fellas. I've got photos from another site which I'll get sorted soon and post those.
  4. Another one of the sites I visited on my wanderings this year. This site is about 3 kms north east of my place (as the crow flies) and is part of the catchment (upstream) of the creek on my place. The main interest here is Utricularia kimberleyensis as it's the only place I've found it locally. In a lot of surface flow of water over fine sand but also a lot of exposed lateritic rock. Slope was very slight but water depth was a good 50mm with good movement. Towards the end of the wet season as the surface water disappeared so too did the U. kimberleyensis. In much the same environment is utricularia limosa, although in water a bit shallower. Never saw it in the absence of surface water. A lot of Utricularia leptoplectra, again mostly standing in the stream of water but some just out of it. An insect (probably) had eaten through the stalk of some flowers hence the photo of the reverse (yellow) side. As everywhere, there's Utricularia nivea. Utricularia chrysantha is a late starter coming up in drier spots or where water levels have dropped. Colours are closer to those at my place rather than the pure yellow which seems most common elsewhere. Not many Drosera, most of those D. fulva. Drosera dilitatopetiolaris And only one Drosera aquatica. I suspect there's too much surface water flow.
  5. tropicbreeze

    Alocasia leaf problem..... (For you Tropicbreeze...?)

    Sorry, didn't see this until today. Bit difficult from the photo, but could be over watering. Apart from warmth, these like light airy soil that is moist but not wet or soggy. Another reason could be town water, the chemicals it contains can also result in spotting in the leaves. It's an Alocasia 'Poly', but travels under a lot of common names which are used commercially.
  6. Over the past wet season I've made a few trips to local sites looking for CPs. At this site I was particularly looking for Utricularia singeriana but of course found others things of interest as well. The site is about 12 kms north west of my place "as the crow flies". It's close to a km long, east/west, and irregularly about 75 to 100 metres or so wide, north/south. It's divided by a locally major road (north/south running). The road was built up and a culvert constructed which now channels water into a creek bed nearer the road. Further down on the western side of the road the creek bed disappears into a flat seepage area which holds water to at least 50mm deep during the wet season. There's negligible canopy cover over the majority of the site. A very low ridge runs east/west along the northern side. Although overall the site is seasonally quite wet, there's more standing water on the west side of the road than on the east. Drosera darwinensis (or maybe D. brevicornis, no flowers = no positive ID). This was on the east side of the road, no standing water. Not many around, and none seen on the west side, perhaps too much water. Drosera dilitatopetiolaris. Quite common, more so on the western side. Also numerous plants where seepage was coming off the low ridge to the north. One plant was flowering, seemed unusually late in the season for them. Drosera aquatica. During a number of visits to this site I only ever found one D. aquatica, and quite late in the season. It was flowering amongst D. dilitatopetiolaris in the seepage off the northern ridge. Utricularia chrysantha. Only seems to show up late in the wet season and then becomes quite prolific. These were on the western side, on higher ground, damp but not soggy. They were all pure yellow, unlike the ones at my place which have darker orange in them. Utricularia involvens. Very numerous on both sides of the road. Seemed to like standing in water, but as the surface water began to disappear so did the plants. They are very prolific seeders. Utricularia leptoplectra. Common on both sides of the road. They liked to be in standing water but still seemed okay as the surface water disappeared. They did thin out a lot as it became drier, though not as much as the involvens or singeriana. Utricularia leptorhyncha. Only on the eastern side of the road. Seems it likes a thin film of surface seepage, but no more than that. Not many plants, all towards the higher (eastern edge) of the site. Utricularia limosa. Was only found on the eastern side of the site. Not a lot of plants, and only on wet soil, no standing water. However, in other areas I've seen them in shallow standing water. Utricularia nivea. Only found it on the edge of the northern ridge line. It was lower down than a lot of the Drosera dilitatopetiolaris but not to where there would have been standing water. Utricularia singeriana. The main purpose of coming to the area. Although there were some plants on the east side, on the western side they were en masse over about a half km of standing water. Other vegetation (grasses and sedges) was thick but the singeriana seemed happy amongst it. Their colour made them stand out. When the water dried out they rapidly disappeared. Utricularias singeriana and leptoplectra in typical habitat. Standing water is visible beneath the vegetation.
  7. tropicbreeze

    Carnivores in the backyard

    Dunc, sent you an email with info.
  8. tropicbreeze

    Carnivores in the backyard

    Looking around the past day there's lots of Drosera burmanni flowering. Seeing as I didn't post any flower photos of them before I'll add this one here. Other CPs I saw still flowering despite the dry weather were Drosera aquatica, D. fragrans, Utricularia chrysantha, plus only one U. nivea.
  9. tropicbreeze

    Carnivores in the backyard

    Doubled up post
  10. tropicbreeze

    Carnivores in the backyard

    Thanks for that Karsty, I've replied on your Platycerium thread. Dunc, very definitely not your average suburban size backyard. I'd say if you're coming to Darwin and particularly wanted to see CPs then you should have made it during March/April. But May or June can be good (depending on where exactly you're prepared to go) if the wet season drags out. This year we got exceptionally high rainfall in January (at my place 1068mm for the month), but after that the rain died. Everything is drying out fast. Closer to Darwin the Howard Sand Plains would be your best bet. There are other areas but it depends on what your travel agenda is. This is the link to a thread I put up for a guide to the plants of the Howard Sand Plains, you should find it interesting. http://www.cpukforum.com/forum/index.php?/topic/60112-field-guide-to-plants-of-darwin-sandsheet-heath/
  11. tropicbreeze

    Platycerium from spores

    Karsty, I looked up Platycerium quadridichotomum and checked the climate where it originates. They get less rain than we do in the wet season, but just about the same as we get in the dry season, ie. virtually zero. We're a little bit warmer but not by much. Seems like a very good candidate as a Platycerium for our climate. Only thing is I've never heard of it or its spores being available here or elsewhere.
  12. tropicbreeze

    Carnivores in the backyard

    Mark, it's a definite advantage for me. "Mother Nature" does all the work looking after the plants. No effort (and especially no frustrations) on my part trying to grow them, but still the enjoyment of them being "mine". Werds, there's only 2 Stylidiums I've IDed on my place but have photos of others in the area as well. May be worth another thread just for them.
  13. tropicbreeze

    Carnivores in the backyard

    Thanks for the comments fellas, much appreciated. Mark, quite literally as it says in the title, all these photos were taken on my property. Admittedly, my property isn't your average suburban block. So far I've found 14 species of CP that grow naturally on my place. An additional one, U. gibba, I don't count as I suspect it came in on some water plants I bought. I also have more photos taken in other localities around the place. When they're sorted I'll put them up on separate threads. This area is rich in CP species, but only Utricularia, Drosera, Byblis and Aldrovanda (also Stylidium, as a pseudo-carnivore).
  14. The wet season brings out lots of carnivores on my place, it's a natural habitat for many of them. Getting photos of CPs can be a daunting task, often on knees and elbows in water and/or mud. Where there's no surface water I'm often on my belly on wet ground. Anyway, that's my excuse for some of the photos being poor quality. This is what I've managed to find here this past wet season. Byblis aquatica, which is fairly common. The first CPs to come up early in the wet season are Drosera fulva. Wasn't able to take photos earlier on so none of plants flowering. D. fulva winding down for the season. Still find it a bit difficult pinpointing the difference between Drosera dilitatopetiolaris and D. petiolaris. But fairly sure mine are dilitatopetiolaris. Drosera burmannii is probably the least wide spread Drosera on my place. Being so small they tend to get sand particles splashed onto them. Of the Indica Complex Drosera D. nana is the most common and earliest grower. The first one has what looks like a Setocoris insect on it. They manage to rob food from the plants without getting caught themselves. Drosera aquatica, also very widspread on my place, even coming up in lawns in some parts. Drosera fragrans, the last species of Drosera to get going in the wet season. Widespread, but not as common as the other two. There's more Utric species here than other CPs. Most widespread (also one of the most inconspicuous) is Utricularia nivea. they seem to come up everywhere except in standing water. Far less common and about the same size are Utricularia minutissima. Utricularia leptoplectra is very common but only in wet swampy areas. Utricularia leptorhyncha occupies less wet areas than leptoplectra but seems to need sub-surface seepage. There's one large patch of Utricularia odorata, a smaller patch seems to have disappeared. Utricularia chrysantha also seems to prefer wet soil but no surface water. It's a later starter and keeps going after most other Utrics have disappeared. First time I found Utricularia foveolata on my place was this last wet season. initially didn't know which species it was, but when finally getting around to identifying it I realised it was rare. Going back to try and get more photos I wasn't able to locate any more plants. So unfortunately there's only this one fairly poor photo.
  15. tropicbreeze

    Change in weather by Saturday

    Here we're moving into winter. Some of the CP's are beginning to wind down already.