Okay, I'm going to open another can of worms here. Get your openers ready!
Most of us are familiar with the sterile, invasive form of I. indica:
flower clusters
opens blue, changes to purple before closing
hairy
stems dark, easily root
leaves heart-shaped or trilobed
can cover tall buildings in a single day (just kidding--or maybe not...)
When I went to Florida two springs ago, I gathered seeds for a beautiful blue morning glory that I saw growing all over the place there, mostly in people's yards, but also along the sides of the road in bushes that were literally only yards away from the surf. I came home and did a little homework, and found that this too is called I. indica.
I have a problem with this, because the two vines aren't all that similar beyond leaf shape. In fact, after looking at photos of Emma's vine that she got from Alcapulco, I'm thinking it's closer to that one, only there are still more differences, and the seeds are not the same.
As you can see by the following photos, the Florida strain of I. indica doesn't look exactly like the sterile strain that most of us have or have seen, having shiny leaves and stems, and the calyx surrounding the seedpod doesn't correspond to what we see falling off the sterile vines. Even the flowers are shaped different, and not quite the same hue. I missed getting photos of the flowers on this vine because there were very few of them, and they always seemed to sneak up on me.
This message was edited Jan 24, 2007 8:27 PM
I just realized that this first photo is one of the leaves of the sterile strain that was growing on my mailbox! *red face* The leaves do have a bit of a shine to them, but nothing like the ones in the following photos. It was also very hairy. The leaves don't have the reddish markings that the Florida strain does.
This message was edited Jan 25, 2007 8:29 AM
I. indicaSeeds vs. Sterile
Look at the I. indica at this site
http://www.flowersofindia.net/cgi-bin/search.pl
While you are there look at what they are showing as a Japanese Morning Glory
This site is in India
Emma
THE PAGE DOESN'T COME UP SO TYPE 'IPOMOEA' IN THE SEARCH
This message was edited Jan 25, 2007 11:16 AM
This message was edited Jan 25, 2007 11:17 AM
Someone doesn't know their morning glories very well. :-(
Stacey - I think your 'indica' plant that produces seeds IS Ipomoea indica...despite what seeems to be 'differences'...and the plant that Emma has from Acapulco is Ipomoea nil...we;ll all see what plants are capable of cross fertilizing what other plants...but I know where I'd put my money...
Take a look at the different looking indicas on the link I posted at the top of the thread here
http://davesgarden.com/forums/t/650958/
and on this site here
http://www.hear.org/starr/hiplants/images/hires/html/starr_030202_0075_ipomoea_indica.htm
http://www.hear.org/starr/hiplants/images/600max/starr_050418_6462_ipomoea_indica.jpg
http://www.hear.org/starr/hiplants/images/600max/starr_041102_0392_ipomoea_indica.jpg
http://www.hear.org/starr/hiplants/images/600max/starr_040513_0047_ipomoea_indica.jpg
http://www.hear.org/starr/hiplants/images/600max/starr_040410_0123_ipomoea_indica.jpg
Take a very close look at the sepals
http://www.hear.org/starr/hiplants/images/600max/html/starr_040410_0124_ipomoea_indica.htm
TTY,...
Ron
I wonder if this is where the epithet 'var. acuminata' comes in? Having the differences that it does, it would probably be sub-categorized, wouldn't it? I may not be using the proper word here...
The acuminata variation was previously thought to represent a valid variety,but that sepal tips often fail to produce elongated tips or the tips just 'shrink' and fall off...anyway it was eventually decided that there was no dependable significant reason to retain acuminata as a legitimate variety...
TTY,...
Ron
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