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How do you distinguish between D. Anglica and D. Rotundfolia


MarkB

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I forgot to label (or those i did label washed off) my drosera collection last winter and need help ID'ing these. I'm 99% sure it is Rotundfolia but cant say for certain since they look identical side by side. The front pot is the "unknown" and what i need help identifying, the back left is D. Rotundfolia and the back right is D. Anglica. Are there any distinuishable features i should be looking for between the two?

 

 

IMG_20230723_145809.jpg

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19 hours ago, gardenofeden said:

you have a real mix up there. front pot looks like Drosera x eloisiana. back left is rotundifolia and anglica plants mixed in the same pot, back right looks like anglica

I did have some D. Beleziana many years ago but i thought that had long died off. Maybe i'll just write the whole lot off as mixed Drosera. This is why i stick mainly too Sarracenia they are far easier to identify

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Yeah i'm giving up on this lot just tried to repot a bunch today but i'm at the point where i'm questioning if my D. Anglica is really D. Intermedia or is it D. Obovata or maybe its that D. Beleziana i had many years ago. Ugh how do people keep Drosera they're a nightmare 😂

Edited by MarkB
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Sometimes these species be a bit difficult to ID. But here are some pictures of the various species and hybrids.20230718_103930.thumb.jpg.1f328c859bf29046a07a8969de825218.jpg

Drosera intermedia

 

20210527_164709.thumb.jpg.9f9b8e71d2f62e292486644b6d99cc3c.jpg

Drosera intermedia - when you grow them in warm water during the summer 🙂 

 

20230718_104335.thumb.jpg.4e69591ead80675b6f2bf0e952d948b5.jpg

Drosera anglica

 

20220802_153245.thumb.jpg.7ed83d6bad874a71fcf00461e60f0a98.jpg

Drosera anglica

 

20220714_200708.thumb.jpg.8800a96949c6155bb08c16f89e1a0e87.jpg

Drosera anglica - two colors

 

20230717_140122(1).thumb.jpg.7f57a1618eb373f557ff61229d653b3a.jpg

Drosera rotundifolia

 

20230713_184937.thumb.jpg.73b0743ac5738f4a9803d1bfd4087172.jpg

Drosera x eloisiana

 

Hope this helps

Martin

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Nice plants Martin!

For what its worth i'm going to try and ID my lot of the flowers/stalks. After doing a bit of research (handy link https://www.carnivorousplants.org/cp/evolution/DroseraHybrids) it seems D. Aglica should be mostly straight upright stalks with the largest leaves of all. D. Intermedia almost identical but should have slightly smaller leaves in comparison.

The flowers of the fertile polyploid of Drosera x eloisiana (was Drosera x belezeana) are the same size as the flowers of Drosera intermedia (9 mm) and more than twice the size of Drosera rotundifolia flowers.

The tricky business in my case is going to be figuring out whether its D. Beleziana or one of the other similar looking hybrids since i've had just about every plant going over the years and i have over 2 dozen pots worth of the stuff now.

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Ok I dont think i can ever be sure of identication with these plants now but i "think" i've got them figured out. I'll just keep these back for myself and wont trade with them.

IMG_20230728_152828.thumb.jpg.4d713d152eba7fecd55fefa3810d82f9.jpg

Drosera x Beleziana

 

IMG_20230728_152845.thumb.jpg.78080339829dbf7246517b50197961f6.jpg

Could be a mix of Rotundifolia but i'm suspecting this is going to be more of Drosera x Beleziana (above) as it grows

 

IMG_20230727_160917.thumb.jpg.2d59fb585a69900f303143eefbc7e93c.jpg

IMG_20230728_153050.thumb.jpg.4811857ebc89b621e6c7ddad6ad0f20f.jpg

Drosera x Anglica

 

IMG_20230728_153117.thumb.jpg.9ceb218266795925dfe0465935a532e0.jpg

Drosera x Intermedia

 

IMG_20230728_153110.thumb.jpg.5d028ab625692df10a95f79508d97ad2.jpg

Drosera x Hybrida

 

IMG_20230728_152929.thumb.jpg.c4ea42128ee5bfb8dc0f2d88b8c43fbf.jpg

Too small to say yet but i'm secretly hoping this is some of that allusive Rotundifolia

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  • 2 weeks later...
On 8/9/2023 at 5:06 PM, gardenofeden said:

sorry its not rotundifolia

Correct. Turned out to be more Beleziana

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