Rob-Rah Posted January 10, 2004 Report Share Posted January 10, 2004 Can D. villosa (ascendens) be propogated by leaf cuttings? Is it the normal method of laying them on sphagnum moss and waiting? How much light do cuttings need? Thanks to anyone who has done this. Quote Link to comment Share on other sites More sharing options...
Norvegica Malesiana Posted January 10, 2004 Report Share Posted January 10, 2004 hi Rob, you could try putting cuttungs in a glass of water, I have done that to my Drosera adelae and their are growing several plants already..... Quote Link to comment Share on other sites More sharing options...
byblis Posted January 10, 2004 Report Share Posted January 10, 2004 Rob, I did so several times with what I think is D. ascendens but is for sure out of the "D. villosa complex". (Hi Matt if you are reading this: Yes, you were right, it is not D. graomogolensis what I grow, but D. ascendens I think now!) In my eyes now is the best time to do leave cuttings of D. villosa, graom., ascendens. graminifolia and others from South America. I myself did so 10 days ago. What worked for me the years ago was placing the cuttings onto/into very wet peat in petri dishes, covering it with the lid and leaving them at a warm place with enough light in my greenhouse (warm). Take care cuttings donot get sunburned, temps rise very fast in a petri dish. This method worked well for me but expect a rate of perhaps 10-20% of the leaves rotting. Avoid leaves with insects on it! This year to experiment a bit I placed the cuttings onto pure NZ-Sphagnum also in petri dishes and placed the petri dishes under artificial light for 15h a day in my heating room? (The room the burner/heater is placed in the cellar). There it has always about 21-23 Celsius. So far no results but all cuttings look healthy. Good luck! Stefan Quote Link to comment Share on other sites More sharing options...
Christian Posted January 10, 2004 Report Share Posted January 10, 2004 Hi, I've been successfull with leaf cuttings from my D. ascendens (or maybe graomogolensis - but surely not villosa). I simply placed the leafs on the medium of the same pot as the motherplant. It took quite long. It worked with 2 of 5 leafs. That's not too much, but after all it worked. Christian Quote Link to comment Share on other sites More sharing options...
Guest Aidan Posted May 11, 2005 Report Share Posted May 11, 2005 I'm exhuming an old thread... I'd like to propagate my D. villosa from leaf and/or root cuttings. Has anyone had success with this species yet? Rob? Quote Link to comment Share on other sites More sharing options...
JanW Posted May 12, 2005 Report Share Posted May 12, 2005 Aidan, what is your source? Nearly all plants in culture are D. ascendens, very few seem to be D. graomogolensis (I know at least one grower, Christian Klein) and nearly none are D. villosa. You have probably D. ascendens and taking cuttings of those either on peat, sphagnum or in water is very easy with high success rates. I had good success in water. Cheers, Jan Quote Link to comment Share on other sites More sharing options...
Sean Spence Posted May 12, 2005 Report Share Posted May 12, 2005 I've never attempted leaf cuttings but may need to in the future. All of my forms were grown from seed and luckily most I have in reasonable numbers. I was wondering if any of the forms that anyone else grows are sefl-fertile. As hard and often as I have tried I cannot manage to fertilize any of the flowers, I've never got a single seed. If I cannot manage to get the plants to produce seed I am going to have to resort to leaf cuttings myself. Quote Link to comment Share on other sites More sharing options...
JanW Posted May 12, 2005 Report Share Posted May 12, 2005 Hi Sean, yes give it a try. My clone is as prolific as D. adelae: Nearly all leaves produce more than one plant, some up to 4. Jan Quote Link to comment Share on other sites More sharing options...
Rob-Rah Posted May 12, 2005 Author Report Share Posted May 12, 2005 My plant (D. ascendens or whatever it might be) produced loads of plantlets from leaves placed onto wet LFS in semi shade. Very slow growing though. Quote Link to comment Share on other sites More sharing options...
Christian Posted May 12, 2005 Report Share Posted May 12, 2005 Hi, I had success with Drosera ascendens (Ribeirao Pires, Road above Sao Paulo). I have not yet tried Drosera villosa (from Bandeira Peak) and Drosera graomogolensis (Itacambira) due to the small size of my plants. At least Drosera asendens can easily be reproduced by leaf cuttings. My success rate is much better now as i wrote above. I simply cut off some leafs and place it in a glas with water. I would be surprised if it worked not for Drosera villosa and Drosera graomogolensis as well. Christian Quote Link to comment Share on other sites More sharing options...
Guest Aidan Posted May 12, 2005 Report Share Posted May 12, 2005 Jan - You tell me what it is then... The plant originated from Sarracenia Nurseries and has not flowered as yet. These photos were taken a few months ago. Quote Link to comment Share on other sites More sharing options...
Sean Spence Posted May 12, 2005 Report Share Posted May 12, 2005 Just the typical Drosera ascendens. Apparently the petiole of the true D. villosa is much longer than in D. ascendens, about the same length as the lamina. The petiole of the plant in the photo is only about a third of the length of the lamina. Or am I wrong?? Nice plant too Aidan. Quote Link to comment Share on other sites More sharing options...
vic brown Posted May 12, 2005 Report Share Posted May 12, 2005 As far as I'm aware D. ascendens isn't a validly published species, and the Carnivorous Plant Database gives it as a synonym of D. villosa, so it isn't incorrect to call it D. villosa until someone publishes otherwise. Where's Fernando when you need him? :) N: [Drosera adscendens {Planch.}]sphalm.typogr. P: Ann.Sci.Nat.3.ser.9:195 (1848) CN: [Drosera ascendens {St.Hil.}] S: =[Drosera villosa {St.Hil.}] N: [Drosera ascendens {St.Hil.}] P: Hist.Pl.Remarq.Bres. & Par.1:268 (1824) T: Serra de Curumatahy, Distr.Diamantes, BR, St.Hilaire s.n. (P) S: =[Drosera villosa {St.Hil.}] N: [Drosera villosa {St.Hil.} var.ascendens {(St.Hil.) Hort.Weiner}] P: in sched. (1985) BN: [Drosera ascendens {St.Hil.}] S: =[Drosera villosa {St.Hil.}] Vic Quote Link to comment Share on other sites More sharing options...
JanW Posted May 12, 2005 Report Share Posted May 12, 2005 See this http://www.cpukforum.com/forum/viewtopic.p...s+gramogolensis Jan Quote Link to comment Share on other sites More sharing options...
Christian Posted May 12, 2005 Report Share Posted May 12, 2005 Hi, I also think, that this is a Drosera ascendens. In Drosera villosa the lamina is never wider than the lamina. You can find a picture of Drosera villosa (from Bandeira Peak), as well as some further information (provided you can read german) here: http://www.carnivoren.org/cgi-bin/forum/Ya...;num=1109363744 Vic: I would interpret the lines you picked out of the ICPS-Database in the following way: The first is a misprint (sphalm.typogr.). I don't know what it exactly means, but this is as it is explanined in the database. The second one is a legitimate description of Drosera ascendens and so the name can be used. The third is also a legitimate description of Drosera villosa ssp ascendens and can be applied as well. Jan Schlauer does not accept the two last description and reduced it to Drosera villosa. That's his personal view and is obviously not supported by everyone. The whole Database only shows his view. So it depends on your personal view which of the names you use for your plants. Christian Quote Link to comment Share on other sites More sharing options...
vic brown Posted May 12, 2005 Report Share Posted May 12, 2005 Personally, I think they should be treated as separate species and label my plant D. ascendens. The point I'm trying to make is that if a nursery labels D. ascendens as D. villosa, they are perfectly entitled to do so, which is what Sarracenia Nurseries have done. Vic Quote Link to comment Share on other sites More sharing options...
JanW Posted May 12, 2005 Report Share Posted May 12, 2005 No, I do not think so! They should label them at least D. villosa var. ascendens to maintain the information. Jan Quote Link to comment Share on other sites More sharing options...
Guest Aidan Posted May 12, 2005 Report Share Posted May 12, 2005 Oh, the joys of Drosera taxonomy... I sometimes wonder if anyone agrees about anything concerning the taxonomy of the Drosera. Maybe there is one species everyone can agree on... D. capensis!!! Hang on a minute, maybe not! Now, what should I write on label? Quote Link to comment Share on other sites More sharing options...
Christian Posted May 12, 2005 Report Share Posted May 12, 2005 Hello, I think(!) Vic is correct and the name Drosera villosa could be used for these plants as well (but i don't think this would be a good idea). Does anyone know it for sure? Aidan, i would label them as Drosera ascendens. You can't do anything wrong with this ;) Considering Drosera capensis, i have seen pictures of plants, that look quite different to everything i have grown so far. Take a look on the following flower: http://home.arcor.de/bart.w/gfp/cap_m_p.jpg But this doesn't belong here. I think it's worth an own topic some time later ;) Christian Quote Link to comment Share on other sites More sharing options...
Fernando Rivadavia Posted May 14, 2005 Report Share Posted May 14, 2005 No, D.meristocaulis is one we can ***ALL*** agree on!!! :):) Hi guys, my turn to pitch in. Aidan is right, taxonomists will never agree on anything, hehehe! Vic's right, D.adscendens was a misspelling, that's all. So not valid. But as far as I understand from Jan's database, Drosera villosa var.ascendens is also not valid. I think "P: in sched. (1985)" means that somebody (Weiner) said he was going to publish this in 1985, but never got around to it. So the only valid names here are D.villosa and D.ascendens. Both were published by the French botanist Auguste de Saint-Hilaire in 1824. He believed them to be separate species, but in 1906 Diels decided that D.ascendens was a synonym of D.villosa. I for one agree with Saint-Hilaire and consider these separate species, they are very different in the wild, in cultivation and in herbarium specimens too. An easy way to tell ascendens from villosa is that the petioles in villosa are equal to or longer than the lamina, and leaves are longer and narrower than in ascendens too. Also, the top side of the petioles of villosa are hairy, while in ascendens they're smooth. You can clearly see this in Aidan's pics, how the petioles are glabrous above (and very hairy below!). The only places I know where D.villosa grow are the Serra de Ibitipoca and the Serra Negra in SE Minas Gerais state, SE Brazil. The 2nd is the type location, but as far as I know D.villosa was never collected there again after Saint-Hilaire. I tried to reach it a few years ago, but didn't male it. So unless your plants are from the Serra de Ibitipoca, they're probably not D.villosa. So Christian, your plants from Bandeira Peak are D.ascendens -- although if I had to chose what was the strangest D.ascendens form and maybe separate it as a subspecies, variety, whatever, it would be this form. It's very small, almost like a D.tomentosa (montana). (Oh no, now I have to explain why I consider tomentosa different from montana, just as Saint-Hilaire did... ;) ) BTW Aidan, what a beautiful specimen of D.ascendens you have there!!! Take Care, Fernando Rivadavia Quote Link to comment Share on other sites More sharing options...
Guest Aidan Posted May 14, 2005 Report Share Posted May 14, 2005 Fernando - Many thanks, D. ascendens it is! Quote Link to comment Share on other sites More sharing options...
Christian Posted May 16, 2005 Report Share Posted May 16, 2005 Hi, So i'm growing just one more (beautiful) Drosera ascendens ;) At least it is quite different to the other forms i'm growing. Christan Quote Link to comment Share on other sites More sharing options...
Fernando Rivadavia Posted May 17, 2005 Report Share Posted May 17, 2005 There's quite a bit of variation among D.ascendens, after all it's the most widespread of all 4 taxa in the D.villosa complex! Best Wishes, Fernando Rivadavia Quote Link to comment Share on other sites More sharing options...
Lophophora Posted July 14, 2005 Report Share Posted July 14, 2005 Jan - You tell me what it is then... The plant originated from Sarracenia Nurseries and has not flowered as yet. These photos were taken a few months ago. Hi, I've buy this plant as a Drosera ascendens typ red from Plantarara, what about his "dormancy period"? it's a tropical sundew, but i've read that a cool period (without stop growing) is better to obtain flowers and seeds. What about your's ? Lopho Quote Link to comment Share on other sites More sharing options...
tracy Posted July 14, 2005 Report Share Posted July 14, 2005 Wow! I didn't see this thread before. That is a gorgeous-looing plant Aidan! Does anyone have a spare? If not, is it something thats worth trying from seed? Tracy Quote Link to comment Share on other sites More sharing options...
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