Question: Hello, thanks for your response to my Amelanchier question. If you will accept a follow-up post, I returned to the …
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Question
Hello, thanks for your response to my Amelanchier question. If you will accept a follow-up post, I returned to the plant today and took these pictures of the fruit. I guess I don't detect hairs within the ovary crown, if I'm looking at it correctly (the picture isn't perfect though), but there seem to be fibers on the ends of the developing fruit. Regarding the petal length, I didn't measure them at the time, but they struck me as being a little shorter than the presumed A. arborea in my yard.
Answer
Dear corylus, the hairs at the summit of the ovary are found down inside the ring of sepals. In flower, they are where the styles emerge. I can't quite see down inside the hypanthium in this image. If it truly is glabrous, you may be dealing with another taxon (such as Amelanchier canadensis, which has shorter petals and more compact inflorescences than A. arborea--though A. canadensis usually grows as a compact clump of several to many stems).
