Plant ID forum: what kind of Ipomea

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Name: Tofi
Sumatera, Indonesia
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tofitropic
Nov 3, 2017 11:52 PM CST
Do anyone have ideas of what kind of Ipomeas (or any convolvulaceae) are these?
both are growing wild on road sides, never found in my area few years ago. (so perhaps introduced-invasive ?)
the smaller (approx 2-3cm) one with purple-black center and heart shape leaves has been suggested as I. obscura (but still not sure, would appreciated any second opinion), the orangish with somewhat sagitate leaves are more floriferous.
Thumb of 2017-11-04/tofitropic/0b5ad4
Thumb of 2017-11-04/tofitropic/1034bd
thank you in advance. Tofi
Name: Lin
Florida Zone 9b, 10a

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plantladylin
Nov 4, 2017 12:54 AM CST
The smaller one does look like I. obscura; here's a photo from our database that looks just like the one in your photo:


The second one may be a related species; possibly Merremia? https://www.bing.com/images/se...
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GrammaChar
Nov 4, 2017 12:59 AM CST
Absolutely lovely! I'd be happy to have them invade my garden! Were you able to collect any seeds?
GrammaChar
Name: Tofi
Sumatera, Indonesia
Vegetable Grower Butterflies Garden Procrastinator Roses Bookworm Tomato Heads
Tropicals Salvias Plays in the sandbox Frogs and Toads Fruit Growers Sempervivums
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tofitropic
Nov 4, 2017 1:17 AM CST
@ plantladylin: thanks for the confirmation, perhaps that is I. obscura. For the other one, been thinking Merremia also, for the leaves are bit fuzzy, but never seen Merremia so small (the vine), most of Merremias in my area are huge climber, before making any blooms, not gonna allow them growing in my small garden.
ETA; I noticed there are small species of Merremia in the link you provide, perhaps I should learn the distinguishing criterias of this genera, could be in that genus. Thank you.
@ GrammaChar, I collected some of the orangish, (since this is the first time I saw them, not so many plants) vines are not so big, probably only 2 metres, but quite free flowering for a weedy morning glory. Thinking they would be good mixed with other morning glory, some friends would also interested I guess, so I can share.
[Last edited by tofitropic - Nov 4, 2017 1:26 AM (+)]
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