An unusual hybrid

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ralphrmartin
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An unusual hybrid

Post by ralphrmartin »

I bought this plant a while back as Chamaecereus silvestrii x Pygmaeocereus bylesianus. I was a little dubious, and thought it looked rather like a Pygmaeocereus, but now it has flowered, I'm prepared to believe it. I'd imagine these plants are only rather distantly related, so it's a surprising cross.
2018-06-06 09.41.34.jpg
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Re: An unusual hybrid

Post by topsy »

Hi Ralph,

Rather unusual indeed but the tube is narrow like a Pgymaecereus, but two diurnal and nocturnal plants have got together! Is it perfumed?

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Re: An unusual hybrid

Post by Mike »

The flower definitely has a Pygmaeocereus shape to it. And the plant body has echoes of Pygmeocereus too.
I have two seedlings from a Pygmaeocereus x Haageocereus cross. I wonder what they'll turn out like!
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Re: An unusual hybrid

Post by ralphrmartin »

I haven't noticed any perfume, Suzanne.

I also have a plant of Haageocereus lanugispinus, formerly thought to be a Pygmaeocereus (Pygmaeocereus densiaculeatus) - so I imagine those two genera are a bit closer. It seems this was only ever found once, and all plants are a single clone...
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Re: An unusual hybrid

Post by Mike »

Well, 4 years after my previous post on this thread, my plant has finally flowered. The seed was apparently from a backcross of a (Haageocereus decumbens × Pygmaeocereus bylesianus) with P. bylesianus. Definitely decumbent but with a rather large, very scented nocturnal flower.
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Re: An unusual hybrid

Post by Phil_SK »

This is from ADBLPS seed, isn't it? I managed to get one seedling from my packet, though it looks fairly different to yours. I noticed a few days ago that it seems to be producing its first flower bud!
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Re: An unusual hybrid

Post by Mike »

Yes, ADBLPS seed. I had two germinate. One lasted about 3 years and died without flowering. This one, though slow, seems significantly more robust. The scent is strong too!
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Re: An unusual hybrid

Post by Phil_SK »

Here's mine. It did think about producing a flower bud a few years ago but this stalled and nothing has happened since until this year. It's still too early to be sure it'll flower, so crossing fingers.
P6250026 copy.jpg
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Re: An unusual hybrid

Post by ralphrmartin »

Phil, that looks rather like an Echinopsis - are you sure a stray seed didn't end up in the wrong pot?
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Re: An unusual hybrid

Post by ianstrutt »

Mike wrote: Thu Jun 23, 2022 10:58 pm Yes, ADBLPS seed. I had two germinate. One lasted about 3 years and died without flowering. This one, though slow, seems significantly more robust. The scent is strong too!
I’ve never come across adblps before. If I were to purchase seeds as a complete novice would this be a good place to start?
Growing in Nottingham for the past 4 years and recently found my way to a Nottingham branch meeting. A few plants on a windowsill has very quickly turned into a greenhouse full!

Attempting to grow a range of turbinicarpus, coryphantha, escobaria and several other cactus genera. Tylecodons, pelargoniums and conophytums keep me occupied in the winter.
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