Summer Wildflowers of Mount Holyokeby Karen Searcy
Taxonomy
Rubiaceae
Houstonia caerulea (Bluets)
Flower colorwhite/blue
Number of petals4
Petal fusionfree
Lea arrangementopposite
Leaf groupingsimple
Leaf marginsentire
Leaf/leaflet shapeelliptic
Fruit typedry
Fruit colorgreen
Flowering datesMay - July
HabitatOpen, disturbed areas
LocalityThroughout
DescriptionA small plant 2 - 8 inches tall with a cluster of small (up to ? inch) basal leaves and several pairs of small leaves on the flowering stalk. The four petaled flowers are blue-gray and have yellowish interiors. It typically occurs in large patches.
Habit photoKBS
Leaf photoAT