I read this and thought, “I sure seem to remember my capnella closing up.” Sure enough, here’s a pic of jimeluis’s all closed up.
Capnella in trouble? Take a look
I can see patterns in the structure that look very distinctly “capnella” to me.
BTW I think it will be fine, unless some other sressing factor becomes involved. Just let it sit and mope for a day or three and it should open for you.
T