Lowrie's aster
(Symphyotrichum lowrieanum)

Formerly Aster lowrieanus. This common aster has pale blue flowers, toothless, sessile upper leaves, and arrow-shaped to heart-shaped lower leaves. Lower leaves have flaring winged petioles and may be toothed. Leaves are smooth, almost greasy. Stems are not hairy. MC To see a guide to local asters, click here. (Asteraceae)