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The common name of houstonia caerulea is bluets. The flowers are usually a light blue color but they are sometimes white. Each stem has one flower. The flowers bloom in the summer.

Houstonia Caerulea

The common name of houstonia caerulea is bluets. The flowers are usually a light blue color but they…

Pictured are flowers of the orders rubiaceae and valerianaceae. The flowers pictured are (1) galium, (2) houstonia, (3) bouvardia, (4) lonicera, and (5) valeriana.

Orders of Rubiaceae and Valerianaceae

Pictured are flowers of the orders rubiaceae and valerianaceae. The flowers pictured are (1) galium,…