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Can anybody identify this? ID'd by Oron as Vernonia, perhaps V. gigantea

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David Dickinson

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Can anybody identify this? ID'd by Oron as Vernonia, perhaps V. gigantea
« on: September 29, 2012, 01:24:10 AM »
Firstly, apologies if this message pops up 2 or 3 times - I have been trying to send it with a photo attached but the image was too large. However, on my final attempt with the image an acceptable "the computer says you've already sent this message". Let's see :-)

The plant is in the Rome Botanical Gardens. It's about 2m high. Lots of long thin stems coming from a central point which branch a little as they get towards the top. Mostly seed heads now but still some flowers.

Once it is identified I will send the seeds I collected to the MGS seed exchange for anybody who might be interested in growing it.
« Last Edit: October 06, 2012, 08:00:34 AM by Alisdair »
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I have a small garden in Rome, Italy. Some open soil, some concrete, some paved. Temperatures in winter occasionally down to 0°C. Summer temperatures up to 40°C in the shade. There are never watering restrictions but, of course, there is little natural water for much of June, July and August.

pamela

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Re: Can anybody identify this plant for me?
« Reply #1 on: September 29, 2012, 08:10:02 AM »
Caryopteris x clandonensis??
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Umbrian

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Re: Can anybody identify this plant for me?
« Reply #2 on: September 30, 2012, 06:43:00 AM »
That was my first thought Pamela but the leaves are not right - Caryopteris has smaller leaves with regularly indented edges - at least mine does :)
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MGS member living and gardening in Umbria, Italy for past 19 years. Recently moved from my original house and now planning and planting a new small garden.

Jill S

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Re: Can anybody identify this plant for me?
« Reply #3 on: September 30, 2012, 10:10:18 AM »
Caryopteris but perhaps just not Caryopteris x clandonensis 'Heavenly Blue'?
« Last Edit: September 30, 2012, 10:38:48 AM by JillS »
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Member of RHS and MGS. Gardens in Surrey, UK and, whenever I get the chance, on Paros, Greece where the learning curve is not the only thing that's steep.

David Dickinson

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Re: Can anybody identify this plant for me?
« Reply #4 on: October 03, 2012, 12:05:16 AM »
Thank you for your replies so far. Very helpful. :)

Here is another picture showing the seed heads.

The plant seemed much more open than the images I have found on the internet following your suggestions.
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I have a small garden in Rome, Italy. Some open soil, some concrete, some paved. Temperatures in winter occasionally down to 0°C. Summer temperatures up to 40°C in the shade. There are never watering restrictions but, of course, there is little natural water for much of June, July and August.
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oron peri

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Re: Can anybody identify this plant for me?
« Reply #5 on: October 05, 2012, 07:39:26 PM »
David,

It was not easy to tell the family, but finally i realised it is a compositae!
From there i arrived to the genus Vernonia [might be gigantea], but i'm afraid i can not tell which species from your photos.
It has a suphisticated structure as the pollen [anthers] are located at the base of the style.
« Last Edit: October 05, 2012, 08:11:33 PM by oron peri »
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David Dickinson

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Re: Can anybody identify this? ID'd by Oron as Vernonia, perhaps V. gigantea
« Reply #6 on: October 09, 2012, 11:34:13 PM »
Thanks for the solution.  :)

Will get the seeds off to seed exchange asap. Currently sorting out the seeds from asteriscus maritimus also to send to the seed exchange. They are delaying things a little as they are small and not so easy to separate!
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I have a small garden in Rome, Italy. Some open soil, some concrete, some paved. Temperatures in winter occasionally down to 0°C. Summer temperatures up to 40°C in the shade. There are never watering restrictions but, of course, there is little natural water for much of June, July and August.
*

Alisdair

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Re: Can anybody identify this? ID'd by Oron as Vernonia, perhaps V. gigantea
« Reply #7 on: October 10, 2012, 07:36:56 AM »
David, When you send the seeds of the "asteriscus", please will you label them as Pallenis maritima (syn. Asteriscus maritimus), as that's the currently accepted name.
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Alisdair Aird
Gardens in SE England (Sussex); also coastal Southern Greece, and (in a very small way) South West France; MGS member (and former president); vice chairman RHS Lily Group, past chairman Cyclamen Society

David Dickinson

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Re: Can anybody identify this? ID'd by Oron as Vernonia, perhaps V. gigantea
« Reply #8 on: October 12, 2012, 09:10:57 AM »
Will do. Thanks for the info. :)
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I have a small garden in Rome, Italy. Some open soil, some concrete, some paved. Temperatures in winter occasionally down to 0°C. Summer temperatures up to 40°C in the shade. There are never watering restrictions but, of course, there is little natural water for much of June, July and August.
*

John

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Re: Can anybody identify this? ID'd by Oron as Vernonia, perhaps V. gigantea
« Reply #9 on: November 10, 2012, 02:59:59 PM »
It could also possibly be Vernonia altissima? Difficult to tell isn't it without more structural details.
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John
Horticulturist, photographer, author, garden designer and plant breeder; MGS member and RHS committee member. I garden at home in SW London and also at work in South London.
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