Phlox drummondii

Common Name:  Pride-of-Texas, Drummond's Phlox

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habit showing variation in flower color--Phlox drummondii is an annual flowers--the flower color in P. drummondii can vary considerably, from pink to red (in the sandy soils around Bastrop the red form is most common)

flower again--do you see the old flowers, in which all that remain are the calyx lobes?  Also, notice how long and coarse the hairs on the calyces and stems are. leaf--what is the leaf shape and margin?  How do these leaves differ from those of Phlox pilosa?  Look how long the hairs are!