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 Post subject: Avonia taxonimy ?
PostPosted: Sun Apr 05, 2009 4:00 pm 
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Location: Tucson, Arizona
Can someone straighten me out on the Avonia quinaria/alstonii? I have seen both names used for the same plant and I have one labled A. quinaria sub. quinaria and one labled A. quinaria sub alstonii. I have also seen the A. alstonii as a syn. for A quinaria. :?
Thanks,
AZED

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 Post subject: Re: Avonia taxonimy ?
PostPosted: Sun Apr 05, 2009 5:01 pm 
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Location: El Cajon, CA
arizonaed wrote:
... I have one labled A. quinaria subsp. quinaria and one labled A. quinaria subsp alstonii.

Ed,
these are the official names right now. The first is rarer, smaller in all parts and flowering (blueish-) red. The subsp. alstonii has a twofold bigger and white to light pinkish flower.

Jordi

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 Post subject: Re: Avonia taxonimy ?
PostPosted: Sun Apr 05, 2009 9:28 pm 
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Jordi,
Thank you. I saw a post of your's elsewhere and knew you were the man with the knowledge--as usual.
Are those bloom colors diagnostic? You know how the lable you get is not always the plant you thought----except from you of course!!!
Have a great day,
Ed

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 Post subject: Re: Avonia taxonimy ?
PostPosted: Mon Apr 06, 2009 7:53 am 
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The flower colour is diagnostic. Pink flowers, other than very pale ones which are in any case rare, are ssp quinaria. Every "pink ssp alstonii" I've seen has simply been ssp quinaria. Side by side there should be no confusing the two plants as ssp alstonii has much larger white flowers. Ssp alstonii also tends to have a larger caudex and somewhat smaller stems but there is much overlap and it can be difficult to judge based only on that. The arrangement of leaves is also reported to be different but I haven't seen any reliable differences.


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 Post subject: Re: Avonia taxonimy ?
PostPosted: Mon Apr 06, 2009 11:10 am 
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Ian,
Nice info.
Thank you,
AZED

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