LeeBr

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LeeBr last won the day on January 6 2013

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  1. A new species of Nepenthes from Sulawesi is described here: http://www.ingentaconnect.com/content/nhn/blumea/pre-prints/content-nbc_blumea_0355 and a new section in the genus Nepenthes is created for the species related to N. tentaculata. LeeB.
  2. If you want more exact locations for Genlisea you should contact Dr. Andreas Fleischmann; he has written the monograph on the genus. LeeB.
  3. Have a look here: https://www.flickr.com/photos/epmallory3/albums/72157631817597942 There are lots of nice pictures of carnivorous plants from Belize. They show Genlisea and also Drosera capillaris; D. brevifolia has also been recorded from there. I haven't seen any exact locations. LeeB
  4. Catopsis berteroniana is recorded from Rio Dulce. And as Genlisea filiformis is recorded from Belize as well as Guatemala it might be found in that area. LeeB.
  5. Guatemala has lots of Utricularia, if you go to the Carnivorous Plant Society's FAQ page look up Carnivorous Plants of Central America and the Caribbean you will find a list. Drosera should occur there too, as does Genlisea filiformis. Pinguicula clivorum, P. crenatiloba, P. lilacina, P. mesophytica, P. moranensis and P. orchidioidesa all occur there. P. mesophytica has been found in the department of Chiquimula on the middle slopes of Montana Norte to El Jutal at 1217m and at Cerro Brujo, S.E. of Conception de las Minas at 802m. P. moranensis has been found at Chichicastenago at 2200m, and P. orchidioides in the Department of Solala. There are also pictures online of a P. sp. Guatemala from 3100m; but they don't state from where exactly. I hope this helps; if you find anything new please take photos and report back. LeeB.
  6. Did you keep records of the number of each colour variant compared to the total number of seedlings? Were there equal numbers of each colour variety or did some predominate? LeeB.
  7. Apparently Utricularia stellaris occurs there; it is a widespread species also occurring in Africa, Asia, Madagascar and the Comoros Is. As far as I know there are no Drosera there; and there are certainly no Nepenthes. So it may be the only carnivorous plant there unless any other Utricularia occur there. LeeB.
  8. Interesting. Sounds like it is a good paper. Are you planning on doing a complete overview paper on all the South American Drosera anytime? That would definitely be worth reading (as would one on all the African Drosera). LeeB.
  9. Interesting thoughts. Looks like more experimental study is needed. Also the space inside the trap and the nutrient supply is limited so the algae cannot keep dividing exponentially forever ; their population would run out of food and crash sooner or later anyway. LeeB.
  10. Interesting; yet if they secrete digestive enzymes they should not work on their own tissues. Just like toxic animals are immune to their own toxins. And our own stomachs are not digested by the hydrochloric acid that they contain. Basically the plant tissues should be able to evolve an immunity to their own digestive secretions; and not have to wait until the prey starts to breakdown after death to digest it. Unless they are relying on other organisms to break down their prey for them as S. purpurea does. LeeB.
  11. Though it does raise the question of why it has to kill the algae before it can digest them; I would have thought the secretion of digestive fluids into the trap would do the job whether the algae were alive or not. LeeB.
  12. Just one thing, New Zealand doesn't only have the T form. The number of leaf points increases with the plants age; also when growing amongst competing vegetation the plants produce fewer leaves with longer petioles and more points per leaf. Plants growing amongst dense vegetation on the Kopuatai dome swamp and in Northland can have more than twenty points per leaf although around a dozen is commoner. There are pictures on the NZCPS website and in Bruce Salmon's book showing this. Plants growing in the open and at altitude are the ones that have smaller leaves with only two or four points. However from reading the literature it does seem that in Australia that the further north you go the more points per leaf. LeeB.
  13. Does Drosera indica also occur in your area? It seems to occur widely in East and South Asia as well, although perhaps not as far north as D. peltata. LeeB.
  14. D. peltata doesn't only occur in south and south east asia, it is fairly common in the more southerly parts of east asia.The online Flora of China lists lots of Chinese provinces it occurs in. LeeB.