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Olpodiplosis
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Olpodiplosis helianthi
Photo#1194937
Copyright © 2016
MJ Hatfield
Sunflower galls -
Olpodiplosis helianthi
Plymouth Rock, Winneshiek County, Iowa, USA
July 25, 2015
Sunflower,
Heliantus
, galls
On what I've always called Woodland Sunflower
Gall shape is familiar but I don't think I've seen it on this plant
ID confirmed by R Gagné
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Contributed by
MJ Hatfield
on 29 February, 2016 - 3:54pm
Last updated 22 December, 2016 - 10:10pm
Moved
Moved from
Unidentified Galls
.
Different from Gagne's illustration, but he says they're highly variable.
…
Charley Eiseman
, 1 March, 2016 - 12:09pm
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Thanks.
Gagne's distribution even includes Iowa.
Do you think these could be the same as
?
Gagne says: Galls are mono- or polythalamous and highly variable in shape and length. The open, reflexed ends are filled with fine hairs." Although he doesn't list this species of sunflower
…
MJ Hatfield
, 1 March, 2016 - 2:12pm
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Yes
Those even seem like a better fit.
…
Charley Eiseman
, 1 March, 2016 - 3:36pm
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