Taken May 9, 2011 – North Bridgton, Maine
Canon Rebel XSi with Canon 100mm Macro Lens

Houstonia caerulea L.
Azure bluet, Quaker-ladies, Bluets
Rubiaceae (Madder Family)
Synonyms: Hedyotis caerulea
USDA Symbol: HOCA4
USDA Native Status: Native to U.S.

This small, delicate perennial is found growing in compact tufts, 8 in. high. The plants may cover broad expanses. Tiny flowers are pale blue with yellow centers, tubular, four-lobed, solitary, and terminal. Spatula-shaped leaves occur in basal rosettes. Stem leaves are small and the stems are unbranched.

This lovely, delicate, flowering plant is often found in striking patches of light blue. The Star Violet (H. pusilla), to 4 (10 cm) high, has a tiny purple flower and occurs in fields and open woods from South Dakota east to Maryland and south to Florida and Texas. A tall southern species, 6-16 (15-40 cm) high, Large Houstonia (H. purpurea), has 3-5, ribbed, opposite, ovate leaves, and white or pink flowers. It occurs from Nebraska northeast to Maine and south to Florida and Texas. These and certain other Houstonia species have sometimes been placed in the genus Hedyotis.

I’m 60+ Years Old and a Resident of Bridgton, Maine

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  • Maria Ismanah Schulze-Vorberg
    Maria Ismanah ...over 3 years ago


  • Hi Maria: I’m very grateful for your kind compliment on my photograph “Azure Bluets”. And, thanks for choosing this photograph to add to your list of favorite images. Very nice to hear from you again.

    – T.J. Martin

  • Ray Clarke
    Ray Clarkeover 3 years ago

  • LisaBeth
    LisaBethover 3 years ago

    superb image!! such a wonderful focus and POV.

  • Hi LisaBeth: Pleased to hear from you again. Thanks so much for your nice compliment on my photograph “Azure Bluets”. They happen to be my favorite spring wildflower. Glad that you like them as well. Best Wishes.

    – T.J. Martin

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