Plant ID forum: Plant ID

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Floo
Sep 22, 2016 12:14 PM CST
What's this?
Thumb of 2016-09-22/Floo/bb4db2

Name: Suzanne/Sue
Sebastopol, CA (Zone 9a)
Sunset Zone 15
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Calif_Sue
Sep 22, 2016 12:47 PM CST

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Moved to Plant ID forum
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Perthshire. SCOTLAND. UK
Region: United Kingdom Plant Identifier
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Silversurfer
Sep 22, 2016 3:25 PM CST
Hippobroma longiflora.


https://www.google.co.uk/search?q=Hippobroma+longiflora&clie...
[Last edited by Silversurfer - Sep 22, 2016 3:30 PM (+)]
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Name: Danita
GA (Zone 7b)
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Danita
Sep 22, 2016 4:57 PM CST
Blue Star Creeper (Isotoma axillaris) Smiling
Perthshire. SCOTLAND. UK
Region: United Kingdom Plant Identifier
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Silversurfer
Sep 23, 2016 2:29 AM CST
Hippobroma longiflora and Isotoma axillaris are very similar when in flower.
Leaves are different...
Isotoma are dainty more dissected.

http://wimastergardener.org/files/2015/12/Laurentia-young.jp...

Hippobroma more solid.

http://calphotos.berkeley.edu/imgs/512x768/4444_4444/0510/11...

http://www.discoverlife.org/mp/20p?see=I_SP4214&res=640

Have I got it wrong?
[Last edited by Silversurfer - Sep 23, 2016 2:35 AM (+)]
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Name: Danita
GA (Zone 7b)
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Danita
Sep 23, 2016 4:14 AM CST
Hi Silversurfer, Smiling

It looks like they were both classified in the same genus at one time so it makes sense that the flowers look so similar. However, the flowers of Hippobroma longiflora are white and have much longer corolla tubes than Isotoma axillaris. The flowers in Floo's photo look pale blue or pale mauve and have the shorter corolla tubes that are consistent with Isotoma axillaris. Isotoma axillaris can be shades of blue, mauve-pink, or white. The foliage also has the daintier look of Isotoma.

Another observation is that this plant appears as if it is being cultivated in a public area. I would hope that most people would have better judgement than to plant the highly toxic Hippobroma in such an area, especially since a bit of sap in the eye can cause blindness. Of course, not everyone uses their better judgement. Whistling Isotoma axillaris is also poisonous, but much less so according to what I've read.
[Last edited by Danita - Sep 23, 2016 4:32 AM (+)]
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Perthshire. SCOTLAND. UK
Region: United Kingdom Plant Identifier
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Silversurfer
Sep 23, 2016 4:38 AM CST
Thanks Danita.
Isotoma it is.
Name: Suzanne/Sue
Sebastopol, CA (Zone 9a)
Sunset Zone 15
Region: California Plant Database Moderator Roses Irises Clematis Garden Photography
Cottage Gardener Keeper of Poultry Hummingbirder Bee Lover Butterflies Birds
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Calif_Sue
Sep 23, 2016 7:07 AM CST

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We have great photos of both right here in our database. Thumbs up
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Name: Lin
Florida (Zone 9b)
Region: United States of America Morning Glories Region: Florida Houseplants Charter ATP Member I was one of the first 300 contributors to the plant database!
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plantladylin
Sep 23, 2016 8:13 AM CST
For comparison:


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