It appears that Emerald, Emerald Evergreen, Emeraude, Emeraude Evergreen, and just plain Evergreen all are names for the same tomato. And the fruit and foliage from each vine, regardless of the variation of name, appears to be the same or nearly identical.
The later version of Absinthe, the one where the green tomato hybrid of unknown stability was outcrossed to Brandywine, is said to have been F5 upon release although considering the initial cross and release dates that would require a few winters in a greenhouse, Southern Hemisphere, or two-season climate. And not surprisingly, there are reports of instability including both PL and RL foliage and both red-blushed green when ripe and fully red fruit.
The green-when-ripe versions are said to be flavorful while the red fruit on PL foliage don't enjoy the same reputation.
All this is hearsay, while I intend to find out this summer. Because if what has been said is true regarding parentage, there should be some interesting genetics lurking.
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