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By hungry carnivores
Posts:  306
Joined:  Sun Apr 05, 2020 7:31 am
#358754
Hi all, I have reason to believe that Pygmy sundews can be crossed with Petiolaris sundews. Please hear me out.

I downloaded rbcl sequences from NCBI and made a phylogenetic tree. It shows the pygmies and the petiolaris diverging rapidly, and quasi-adaptive radiation on the Petiolaris and Pygmy clade.

I am already crossing Petiolaris x Micrantha, but does anyone have/is willing to carry out any other crosses with other species? I am willing to send an SASE, with a few cuttings as compensation.

Paleacea, Micrantha, Roseana, leucoblasta, etc.. are very good, but scorpioides and similar upright species are too old for crossing, according to MEGA-X genetic analysis.

Thanks for your helps!
By Sundeewz
Location: 
Posts:  87
Joined:  Sun Jun 07, 2020 7:35 pm
#358760
Hmm... if your theory turns out to be true I’d pay top dollar for a hybrid like that. I do happen to have D. paleacea, but I would rather send out gemmae.
By Apollyon
Location: 
Posts:  162
Joined:  Tue May 05, 2020 2:49 am
#358767
That's fascinating stuff. He's right, if that works then you hit a jackpot I'm sure. A cross of those two would be wild lol. I'm interested in seeing how this plays out.

Have me wondering if my pulchella and lanata could cross :lol:
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By Nepenthes0260
Posts:  667
Joined:  Mon Apr 30, 2018 1:59 am
#358779
I was just looking at my petios and pygmies yesterday and was noticing how similar they looked! I think I have flowers forming on my petios, and sure send me an SASE for some pygmy pollen. I can supply you with pollen from paleacea, pulchella (Pink Flower), and allantostigma. I have hundreds of pygmy flowers currently going in my greenhouse haha.

Also, on this ICPS genetics page it shows that pygmies and petios are closely related:
https://www.carnivorousplants.org/cp/ev ... aPhylogeny
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By hungry carnivores
Posts:  306
Joined:  Sun Apr 05, 2020 7:31 am
#358809
Yeah. It looks that rbCL plastid is seperated by only ~20 nucleotide differences. 2n=2n in both cases as well.

I'd pay top dollar, too if it worked. Who knows, maybe they'd even make gemmae (that's unrealistic, but a fun idea) I'd be interested in the hairs/flowers, however.

Oh, I have Pygmy flowers, only Mircrantha, but I was wondering if somebody could cross it, I'd send an SASE, and toss the seeds into tissue culture?

@apollyon, the Lanata appears to be relatively close to pulchella. Would you mind risking a few flowers to give it a shot? I'd put pygmy pollen on a Petiolaris flower, just so you get more seeds.

This is all going to be published in a relevant journal. Thanks for your help!

Is anyone's petios flowering?
By hungry carnivores
Posts:  306
Joined:  Sun Apr 05, 2020 7:31 am
#358812
Quick repost--

More evidence (but let's not get ahead of ourselves).

Using GBIF data, and morphological characteristics from 3 pygmies and 4 petios, I found that their morphological characteristics [lamina, hairs, tentacle length, tentacle density] respond roughly the same to environmental factors [humidity, etrans, temp]. This suggests that speciation could have been adaptive radiation. The fact that petio x petio x petio .... is fertile also alludes to this.
By Apollyon
Location: 
Posts:  162
Joined:  Tue May 05, 2020 2:49 am
#358815
Absolutely I'd risk some flowers lol. It's the only petio I have so it's effectively sterile as it is right now. My lanata is recovering but if it shows its going to flower I'll definitely give it a shot. My pulchellas are currently flowering. I'll need to try to harvest the pollen and store it. Is it better to keep that kind of thing in the refrigerator or does it make a difference?
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By hungry carnivores
Posts:  306
Joined:  Sun Apr 05, 2020 7:31 am
#358821
I'm unsure about storage.

It's nice to have a community like this where we can make coolness happen. Currently, I've got micrantha and roseana flowering.

If anybody has Petio flowers right now that they'd like to risk, I'm sending an SASE immediately, with tons of pollen samples.

If it works, Yay! If it doesn't work, well at least we learn something about our plants. (Or keep trying in vain to make more hybrids).

I've got 5 vials of TC media, so if anybody gets seeds from the cross, I'll flash em up. Here are crosses of interest.

(I know I wrote em backwards, sorry. Basic logic dictates that pygmy pollen should go, since otherwise we may just get like 3 seeds per flower) In this case it's Father x Mother.

Nivea, Oreopodieon, Nitidula, and Pulchella may work but they're the most evolved and therefore the most risky.


Leucoblasta X Any Petiolaris
Micrantha x Any Petiolaris
Pulchella X Lanata, Ordensis, Caduca
Roseana X Hairy Petiolaris
Any Pygmy x Caduca
Sewellia, Nivea x Petiolaris (any kind)

Thanks for your help all!

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Seeds arrived. Thank you again.

SASE sent out today.

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