Pictured are flowers of the orders asclepiadaceae, convolvulaceae, polemoniaceae, and hydrophyllaceae. The flowers of these orders that are illustrated are (1) asclepias, (2) convolvulus, (3) phlox, (4) polemonium, (5) hydrophyllum, and (6) phacelia.

Orders of Asclepiadaceae, Convolvulaceae, Polemoniaceae, and Hydrophyllaceae

Pictured are flowers of the orders asclepiadaceae, convolvulaceae, polemoniaceae, and hydrophyllaceae.…