Archive for July 24th, 2013
A closer view of cynanchum
As a follow-up to yesterday’s post, here’s a close look at three Cynanchum barbigerum flowers, each of which is only about 1/8 of an inch (3mm) long. Can you see the little white “beards”—clicking the image helps—implied by the species name barbigerum and the colloquial name bearded swallow-wort? Note the strongly recurved corolla lobes that seem more like mustaches than beards; you can count five on each flower because milkweeds do things in fives.
This picture once again comes from a July 3rd jaunt through the Bull Creek Nature Preserve, and in fact these flowers were on the same vine that you saw in the last photograph. Obviously this time I didn’t aim upward into the blue sky but sideways toward something dark, probably a group of shaded Ashe juniper trees.
© 2013 Steven Schwartzman