Morning Glories: Morning Glory species and how they interbreed?, 0 by RON_CONVOLVULACEAE
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In reply to: Morning Glory species and how they interbreed?
Forum: Morning Glories
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RON_CONVOLVULACEAE wrote: Philomel - My impression is that you had both Ipomoea purpurea and Ipomoea tricolor growing intertwined together and that you collected your seeds from the Ipomoea purpurea pods thinking that the I.purpurea pods might be the I.tricolor...which resulted in all of the plants that germinated being I.purpurea... Ipomoea tricolor seedpods tend to ripen later than the usually earlier ripening I.purpurea...also Ipomoea purpurea seeds will survive a cold wet winter whereas Ipomoea tricolor seeds will turn to mush if they get too cold before they have fully ripened...Ipomoea tricolor seeds will not survive cold wet weather,but Ipomoea purpurea seeds will survive repeated cold wet weather... Ipomoea purpurea has hair on the various plant parts whereas Ipomoea tricolor is always completely glabrous... Ipomoea purpurea sepals http://davesgarden.com/pf/showimage/22914/ http://davesgarden.com/pf/showimage/146083/ Ipomoea purpurea seedpods reflexing http://davesgarden.com/pf/showimage/132998/ http://davesgarden.com/pf/showimage/31407/ Ipomoea tricolor flowerbuds and developing seedpods...the sepals are uniformly thin and remain flush up against the flower base and seedpods http://davesgarden.com/forums/p.php?pid=3643880 http://davesgarden.com/pf/showimage/106781/ Some more indepth photos and explanations of the relevant ID structures of the most commonly grown MG species e.g., Ipomoea hederacea,Ipomoea nil,Ipomoea purpurea and Ipomoea tricolor http://davesgarden.com/forums/p.php?pid=3504567 Hope this info helps... TTY,... Ron P.S. - Photo attached of Ipomoea tricolor immature seedpods but remaining erect... |